Skip to content

An Open-label, Dose Escalation Study in Japanese Participants With Relapsed/Refractory Multiple Myeloma Who Have Failed Prior Anti Myeloma Treatments

A Phase I Open-Label, Dose Escalation Study to Investigate the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, Immunogenicity and Clinical Activity of the Antibody Drug Conjugate GSK2857916 in Japanese Participants With Relapsed/Refractory Multiple Myeloma

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03828292
Enrollment
15
Registered
2019-02-04
Start date
2019-03-14
Completion date
2024-09-05
Last updated
2025-08-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Multiple Myeloma

Keywords

Antibody drug conjugate, Dose-escalation, GSK2857916, Japanese, Relapsed/Refractory Multiple Myeloma

Brief summary

Belantamab mafodotin (GSK2857916) is a first in class, antibody dependent cellular cytotoxicity (ADCC) enhanced, humanized immunoglobulin G1 (IgG1) antibody-drug conjugate (ADC) which binds specifically to B cell maturation antigen (BCMA) expressed on tumor cells of all participants with multiple myeloma. This is a Phase 1, open label, dose escalation study to investigate safety, tolerability, pharmacokinetics, pharmacodynamics, immunogenicity and clinical activity of GSK2857916 when given as monotherapy (Part 1) or given as combination therapy (Part 2). Dose escalation will follow a 3+3 design.

Interventions

DRUGBelantamab mafodotin

Belantamab mafodotin will be administered as an intravenous infusion.

DRUGBortezomib

Bortezomib solution for injection will be administered subcutaneously.

DRUGDexamethasone

Dexamethasone tablets will be administered orally.

DRUGPomalidomide

Pomalidomide capsules will be administered orally.

Sponsors

GlaxoSmithKline
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
NONE

Masking description

This will be an open-label study.

Intervention model description

Participants will receive GSK2857916 monotherapy during Part 1 (Dose escalation) of the study on a once every 21 days schedule. During Part 2, participants will receive GSK2857916 given in combination with Bortezomib/Dexamethasone on a once every 21 days schedule (Arm A) or with Pomalidomide/Dexamethasone on a once every 28 days schedule (Arm B).

Eligibility

Sex/Gender
ALL
Age
20 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Provide signed written informed consent, which includes compliance with the requirements and restrictions listed in the consent form. * Male or female, 20 years or older (at the time consent is obtained). * ECOG performance status of 0 to 2. * Histologically or cytologically confirmed diagnosis of multiple myeloma as defined according to IMWG 2014, criteria in a participant who fulfills all of the following: has undergone stem cell transplant, or is considered transplant ineligible, Part 1: has received at least 2 prior lines of anti-myeloma drugs containing at least 1 proteasome inhibitor and at least 1 immunomodulator, Part 2: has received at least 1 prior line of anti-myeloma drugs; has demonstrated progression on, or within 60 days of completion of the last therapy. * Has measurable disease with at least one of the following: serum M-protein \>=0.5 grams per deciliter (g/dL) (\>=5 grams per liter \[g/L\]); Urine M-protein \>=200 mg/24 hours; Serum free light chain (FLC) assay: Involved FLC level \>=10 mg/dL (\>=100 mg/L) and an abnormal serum FLC ratio (\<0.26 or \>1.65). * Participants with a history of autologous stem cell transplant are eligible for study participation provided the following eligibility criteria are met: Transplant was \>100 days prior to study enrolment; No active infection. * Female participants: Contraceptive use by women should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies. A female participant is eligible to participate if she is not pregnant or breast feeding, and at least one of the following conditions applies: Is not a woman of childbearing potential (WOCBP) or For Part 1 and Part 2 Arm A: Is a WOCBP and using a contraceptive method that is highly effective (with a failure rate of \<1 percent per year), preferably with low user dependency, during the treatment period and for 4 months after the last dose of GSK2857916, and 7 months from the last dose of bortezomib (only Part 2 Arm A), and agrees not to donate eggs (ova, oocytes) for the purpose of reproduction during this period. The investigator should evaluate the effectiveness of the contraceptive method in relationship to the first dose of study treatment. A WOCBP must have a negative highly sensitive serum pregnancy test (as required by local regulations) within 72 hours before the first dose of study treatment and agree to use effective contraception during the study and for 4 months after the last dose of GSK2857916, and 7 months from the last dose of bortezomib (only Part 2 Arm A); For Part 2 Arm B: Due to pomalidomide being a thalidomide analogue with risk for embryo-fetal toxicity and prescribed under a restricted distribution program, WOCBP participants will be eligible if they commit either to abstain continuously from heterosexual sexual intercourse or to use 2 methods of reliable birth control, beginning 4 weeks prior to initiating treatment with pomalidomide, during therapy, during dose interruptions and continuing for 4 weeks following discontinuation of pomalidomide treatment. Thereafter, WOCBP participants must use a contraceptive method that is highly effective (with a failure rate of \<1 percent per year) for a further 3 months, and agrees not to donate eggs (ova, oocytes) for the purpose of reproduction during this period. Two negative pregnancy tests must be obtained prior to initiating pomalidomide therapy. The first test should be performed within 10 to 14 days and the second test within 24 hours prior to prescribing pomalidomide therapy. The investigator is responsible for review of medical history, menstrual history, and recent sexual activity to decrease the risk for inclusion of a woman with an early undetected pregnancy. * Male participants: Contraceptive use by men should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies. Male participants are eligible to participate if they agree to the following from the time of first dose of study treatment until 6 months after the last dose of GSK2857916, 4 months after the last dose of bortezomib (only Part 2 Arm A), and 4 weeks after the last dose of pomalidomide (only Part 2 Arm B) to allow for clearance of any altered sperm: Refrain from donating sperm plus either: Be abstinent from heterosexual intercourse as their preferred and usual lifestyle (abstinent on a long term and persistent basis) and agree to remain abstinent; or must agree to use contraception/barrier as detailed: Agree to use a male condom even if they have undergone a successful vasectomy and female partner to use an additional highly effective contraceptive method with a failure rate of \<1 percent per year as when having sexual intercourse with a woman of childbearing potential (including pregnant females). * All prior treatment-related toxicities (defined by National Cancer Institute-Common Toxicity Criteria for Adverse Events (NCI-CTCAE), version 4.03, must be \<=Grade 1 at the time of enrolment except for alopecia. Participants with Grade 2 peripheral neuropathy can be enrolled into Part 1 and Part 2 Arm B but not into Part 2 Arm A. * Adequate Organ System Function.

Exclusion criteria

* Systemic anti-tumor-therapy within 14 days, or plasmapheresis within 7 days prior to the first dose of study treatment. * Symptomatic amyloidosis, active 'polyneuropathy, organomegaly, endocrinopathy, myeloma protein, and skin changes' (POEMS) syndrome, active plasma cell leukemia at the time of screening. * Use of an investigational drug within 14 days or 5 half-lives, whichever is shorter, preceding the first dose of study treatment. Prior treatment with a monoclonal antibody within 30 days of receiving the first dose of study treatment. Prior BCMA targeted therapy. * History of an allogeneic stem cell transplant. * Current use of prohibited medications/device or planned use of any of these during the study period. * Current corneal epithelial disease except mild punctate keratopathy * Presence of active renal condition (infection, requirement for dialysis or any other condition that could affect participant's safety). Participants with isolated proteinuria resulting from multiple myeloma are eligible, provided they fulfil the required criteria. * Evidence of active mucosal or internal bleeding. * Any major surgery within the last 4 weeks. * Any serious and/or unstable pre-existing medical, psychiatric disorder, or other conditions (including laboratory abnormalities) that could interfere with participant's safety, obtaining informed consent or compliance to the study procedures. * Active infection requiring treatment (antibiotic, antiviral, or antifungal treatment). * Evidence of severe or uncontrolled systemic diseases. * Malignancies other than disease under study are excluded, except for any other malignancy from which the participant has been disease-free for more than 2 years and, in the opinion of the investigators and Medical Monitor, will not affect the evaluation of the effects of this clinical study treatment on the currently targeted malignancy (multiple myeloma). * Evidence of cardiovascular risk including any of the following: 1. Corrected QT interval Fridericia (QTcF) interval \>=470 milliseconds (msecs) (the QT interval values must be corrected for heart rate by Fridericia's formula \[QTcF\]) 2. Evidence of current clinically significant uncontrolled arrhythmias, including clinically significant ECG abnormalities such as 2nd degree (Type II) or 3rd degree atrioventricular (AV) block. 3. History of myocardial infarction, acute coronary syndromes (including unstable angina), coronary angioplasty, or stenting or bypass grafting within 6 months of Screening. 4. Class III or IV heart failure as defined by the New York Heart Association functional classification system 5. Uncontrolled hypertension * Known immediate or delayed hypersensitivity reaction or idiosyncrasy to drugs chemically related to GSK2857916 or any of the components of the study treatment. * Pregnant or lactating female or female who are interrupting lactation. * Known human Immunodeficiency virus (HIV) infection. * Presence of hepatitis B surface antigen (HBsAg), hepatitis B surface antibody (HBsAb) or hepatitis B core antibody (HBcAb at Screening or within 3 months prior to first dose of study treatment). * Positive hepatitis C antibody test result or positive hepatitis C ribonucleic acid (RNA) test result at screening or within 3 months prior to first dose of study treatment. Participants with positive hepatitis C antibody due to prior resolved disease can only be enrolled, if a confirmatory negative hepatitis C RNA test is obtained. Hepatitis RNA testing is optional and participants with negative hepatitis C antibody test are not required to also undergo hepatitis C RNA testing. * Current unstable liver or biliary disease per investigator assessment defined by the presence of ascites, encephalopathy, coagulopathy, hypoalbuminemia, esophageal or gastric varices, persistent jaundice, or cirrhosis. Stable chronic liver disease (including Gilbert's syndrome or asymptomatic gallstones) or hepatobiliary involvement of malignancy is acceptable if participant otherwise meets entry criteria. * Previously diagnosed with interstitial lung disease or current complication of interstitial lung disease. Additional

Design outcomes

Primary

MeasureTime frameDescription
Part 1: Number of Participants With Dose Limiting Toxicities (DLTs)Up to Day 21DLT is an Adverse Event (AE) that is considered by the investigator to be clinically relevant and attributed to the study therapy during the 21-day DLT period and meets at least one of the DLT criteria: Grade 3 or greater febrile neutropenia lasting \>48 hours (h) despite adequate treatment, Grade 4 thrombocytopenia \<25,000/mm\^3accompanied by clinically significant bleeding, any Grade 3 or greater non-hematologic toxicity, any Grade 3 or greater non-hematologic laboratory value if: laboratory abnormality persists for \>48 h despite supportive treatment for abnormality leads to hospitalization, Grade 4 Corneal toxicity, and liver toxicity meeting pre-specified GlaxoSmithKline liver stopping criteria. DLTs were assessed by National Cancer Institute- Common Toxicity Criteria for Adverse Events (NCI-CTCAE), version 4.03.
Part 2: Arm A: Number of Participants With DLTsUp to Day 21DLT is an AE that is considered by the investigator to be clinically relevant and attributed to the study therapy during the 21-day DLT period and meets at least one of the DLT criteria: Grade 3 or greater febrile neutropenia lasting \>48 hours (h) despite adequate treatment, Grade 4 thrombocytopenia \<25,000/mm\^3 accompanied by clinically significant bleeding, any Grade 3 or greater non-hematologic toxicity, any Grade 3 or greater non-hematologic laboratory value if: laboratory abnormality persists for \>48 h despite supportive treatment or abnormality leads to hospitalization, Grade 4 Corneal toxicity, and liver toxicity meeting pre-specified GlaxoSmithKline liver stopping criteria. DLTs were assessed by NCI-CTCAE, version 4.03.
Part 2: Arm B: Number of Participants With DLTsUp to Day 28DLT is an AE that is considered by the investigator to be clinically relevant and attributed to the study therapy during the 21-day DLT period and meets at least one of the DLT criteria: Grade 3 or greater febrile neutropenia lasting \>48 hours (h) despite adequate treatment, Grade 4 thrombocytopenia \<25,000/mm\^3 accompanied by clinically significant bleeding, any Grade 3 or greater non-hematologic toxicity, any Grade 3 or greater non-hematologic laboratory value if: laboratory abnormality persists for \>48 h despite supportive treatment or abnormality leads to hospitalization, Grade 4 Corneal toxicity, and liver toxicity meeting pre-specified GlaxoSmithKline liver stopping criteria. DLTs were assessed by NCI-CTCAE, version 4.03.
Part 1: Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)Up to approximately 141 weeksAn AE is defined as any untoward medical occurrence in a participant or clinical investigation participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. An SAE is defined as any untoward medical occurrence that, at any dose, results in death; was life threatening; required hospitalization or prolongation of existing hospitalization; resulted in disability/incapacity; was a congenital anomaly/birth defect. SAEs are subset of AEs.
Part 2: Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)Up to approximately 212 weeksAn AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of a study treatment, whether or not considered related to the study treatment. SAE is defined as any untoward medical occurrence that, at any dose results in death, Is life-threatening, Requires inpatient hospitalization or prolongation of existing hospitalization, Results in persistent disability/incapacity or Is a congenital anomaly/birth defect other situations which involve medical or scientific judgment or is associated with liver injury and impaired liver function. SAEs are subset of AEs.
Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersBaseline (Day 1) and up to approximately 141 weeksBlood samples were collected for clinical chemistry parameters analysis: Creatine Kinase (CK), Creatinine, Gamma Glutamyl Transferase (GGT), Magnesium, Phosphate, Potassium, Sodium, Calcium, Glucose, Urate, Alanine Aminotransferase (ALT), Albumin, Alkaline Phosphatase (ALP), Aspartate Aminotransferase (AST), Bilirubin were graded according to National Cancer Institute-Common Terminology Criteria for Adverse Events (NCI-CTCAE) version (v) 4.03. Grade (G)1: mild; G2: moderate; G3: severe or medically significant; G4: life-threatening consequences. Higher grade indicates greater severity and increase in grade was defined relative to Baseline grade. Any worst-case post baseline increases in grade along with any increase to a maximum G3 and a maximum G4 are presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.
Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersBaseline (Day 1) and up to approximately 141 weeksBlood samples were collected for analysis of clinical chemistry parameters: C Reactive Protein, Chloride, Direct Bilirubin (DB), Lactate Dehydrogenase, Protein and Urea. The summaries of worst-case change from baseline with respect to normal range was analyzed for only those laboratory tests that were not gradable by CTCAE v4.03. The number of participants with decreases to low from baseline, changes to normal or no changes from baseline, and increases to high values have been presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.
Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersBaseline (Day 1) and up to approximately 212 weeksBlood samples were collected for clinical chemistry parameters analysis: Creatine Kinase (CK), Creatinine, Gamma Glutamyl Transferase (GGT), Magnesium, Phosphate, Potassium, Sodium, Calcium, Glucose, Urate, Alanine Aminotransferase (ALT), Albumin, Alkaline Phosphatase (ALP), Aspartate Aminotransferase (AST), Bilirubin were graded according to NCI-CTCAE v 4.03. G1: mild; G2: moderate; G3: severe or medically significant; G4: life-threatening consequences. Higher grade indicates greater severity and increase in grade was defined relative to Baseline grade. Any worst-case post baseline increases in grade along with any increase to a maximum G3 and a maximum G4 are presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.
Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersBaseline (Day 1) and up to approximately 212 weeksBlood samples were collected for analysis of clinical chemistry parameters: C Reactive Protein, Chloride, Direct Bilirubin (DB), Lactate Dehydrogenase, Protein and Urea. The summaries of worst-case change from baseline with respect to normal range was analyzed for only those laboratory tests that were not gradable by CTCAE v4.03. The number of participants with decreases to low from baseline, changes to normal or no changes from baseline, and increases to high values have been presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.
Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersBaseline (Day 1) and up to approximately 141 weeksBlood samples were collected for analysis of hematology parameters: Hemoglobin, Leukocytes, Lymphocytes, Neutrophils and Platelets were graded according to CTCAE v4.03. G1: mild; G2: moderate; G3: severe or medically significant; G4: life-threatening consequences. Higher grade indicates greater severity and increase in grade was defined relative to Baseline grade. Any worst-case post baseline increases in grade along with any increase to a maximum G3 and a maximum G4 are presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.
Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersBaseline (Day 1) and up to approximately 141 weeksBlood samples were collected for the analysis of following hematology parameters: Basophils, Eosinophils, Mean Corpuscular Hemoglobin Concentration (MCHC), Mean Corpuscular Hemoglobin (MCH), Mean Corpuscular Volume (MCV), erythrocytes, Hematocrit, monocytes and reticulocytes. The summaries of worst-case change from baseline with respect to normal range was analyzed for only those laboratory tests that were not gradable by CTCAE version 4.03. The number of participants with decreases to low from baseline, changes to normal or no changes from baseline, and increases to high values have been presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.
Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersBaseline (Day 1) and up to approximately 212 weeksBlood samples were collected for analysis of hematology parameters: Hemoglobin, Leukocytes, Lymphocytes, Neutrophils and Platelets were graded according to CTCAE v4.03. G1: mild; G2: moderate; G3: severe or medically significant; G4: life-threatening consequences. Higher grade indicates greater severity and increase in grade was defined relative to Baseline grade. Any worst-case post baseline increases in grade along with any increase to a maximum G3 and a maximum G4 are presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.
Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersBaseline (Day 1) and up to approximately 212 weeksBlood samples were collected for the analysis of following hematology parameters: Basophils, Eosinophils, MCHC, MCH, MCV, erythrocytes, Hematocrit, monocytes and reticulocytes. The summaries of worst-case change from baseline with respect to normal range was analyzed for only those laboratory tests that were not gradable by CTCAE version 4.03. The number of participants with decreases to low, changes to normal or no changes, and increases to high from baseline values have been presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.
Part 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinBaseline (Day 1) and up to approximately 141 weeksUrine samples were collected to analyze presence of occult blood and protein in urine by dipstick method. Data for worst-case post baseline urinalysis results is presented. Result for urinalysis parameters were recorded as no change/decreased, Increase to SMALL, Increase to MODERATE, Increase to LARGE, and any increase including increase to +-, 1+, 2+, 3+, unknown indicating proportional concentrations in the urine sample.
Part 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinBaseline (Day 1) and up to approximately 212 weeksUrine samples were collected to analyze presence of occult blood and protein in urine by dipstick method. Data for worst-case post baseline urinalysis results is presented. Result for urinalysis parameters were recorded as no change/decreased, Increase to SMALL, Increase to MODERATE, Increase to LARGE, and any increase including increase to +-, 1+, 2+, 3+, unknown indicating proportional concentrations in the urine sample.
Part 1: Change From Baseline (CFB) in Urine Potential of Hydrogen (pH)Baseline (Day 1) and up to approximately 141 weeksUrine samples were collected to analyze urine pH levels. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.
Part 2: Change From Baseline in Urine Potential of Hydrogen (pH)Baseline (Day 1) and up to approximately 212 weeksUrine samples were collected to analyze urine pH levels. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.
Part 1: Change From Baseline in Urine Specific Gravity by DipstickBaseline (Day 1) and up to approximately 141 weeksUrine samples were collected to analyze urine specific gravity. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.
Part 2: Change From Baseline in Urine Specific Gravity by DipstickBaseline (Day 1) and up to approximately 212 weeksUrine samples were collected to analyze urine specific gravity. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.
Part 1: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)Baseline (Day 1) and up to approximately 141 weeksDBP and SBP were measured after resting for at least 5 minutes in a supine or semi-recumbent position. They were graded according to NCI-CTCAE version 4.03. For SBP: Grade (G) 0 (\<120 millimeter of mercury \[mmHg\]), G1 (120-139 mmHg), G2 (140-159 mmHg), G3 (\>=160 mmHg). For DBP: G0 (\<80 mmHg), G1 (80-89 mmHg), G2 (90-99 mmHg), G3 (\>=100 mmHg). Higher grade indicates greater severity. Data for participants with worst-case post baseline with any grade increase and a maximum post-baseline grade increase to G2 and G3 from their baseline grade are presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.
Part 2: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)Baseline (Day 1) and up to approximately 212 weeksDBP and SBP were measured after resting for at least 5 minutes in a supine or semi-recumbent position. They were graded according to NCI-CTCAE version 4.03. For SBP: Grade (G) 0 (\<120 millimeter of mercury \[mmHg\]), G1 (120-139 mmHg), G2 (140-159 mmHg), G3 (\>=160 mmHg). For DBP: G0 (\<80 mmHg), G1 (80-89 mmHg), G2 (90-99 mmHg), G3 (\>=100 mmHg). Higher grade indicates greater severity. Data for participants with worst-case post baseline with any grade increase and a maximum post-baseline grade increase to G2 and G3 from their baseline grade are presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.
Part 1: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: TemperatureBaseline (Day 1) and up to approximately 141 weeksTemperature was measured after resting for at least 5 minutes. The abnormal ranges for body temperature were (\<=35 degrees Celsius or \>=38 degrees Celsius). Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.
Part 2: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: TemperatureBaseline (Day 1) and up to approximately 212 weeksTemperature was measured after resting for at least 5 minutes. The abnormal ranges for body temperature were (\<=35 degrees Celsius or \>=38 degrees Celsius). Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.
Part 1: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: Heart RateBaseline (Day 1) and up to approximately 141 weeksHeart rate was measured after resting for at least 5 minutes. The abnormal ranges for heart rate were (low \<60 beats per minute \[bpm\] and high \>100 bpm). Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits. Data for participants with worst case change from baseline was presented as Baseline to low, Baseline to Normal or No change and Baseline to High.
Part 2: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: Heart RateBaseline (Day 1) and up to approximately 212 weeksHeart rate was measured after resting for at least 5 minutes. The abnormal ranges for heart rate were (low \<60 beats per minute \[bpm\] and high \>100 bpm). Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits. Data for participants with worst case change from baseline was presented as Baseline to low, Baseline to Normal or No change and Baseline to High.
Part 1: Number of Participants With Worst-Case Amount of Increase From Baseline Value in Corrected QT Interval Using Fredericia's Formula (QTcF)Baseline (Day 1) and up to approximately 141 weeks12-lead electrocardiogram (ECG) was obtained using an automated ECG machine that automatically calculated the heart rate and measured PR, QRS, QT, and QT interval corrected using Fridericia's formula (QTcF) intervals. Grade 0 (\<450 millisecond (msec)), Grade 1 (450-480 msec), Grade 2 (481-500 msec), and Grade 3 (≥501 msec). Higher grade indicates greater severity. Data for participants with worst-case post baseline with any grade increase and a post-baseline grade increase to G2 and G3 from their baseline grade are presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.
Part 2: Number of Participants With Worst-Case Amount of Increase From Baseline Value in QTcFBaseline (Day 1) and up to approximately 212 weeks12-lead electrocardiogram (ECG) was obtained using an automated ECG machine that automatically calculated the heart rate and measured PR, QRS, QT, and QT interval corrected using Fridericia's formula (QTcF) intervals. Grade 0 (\<450 millisecond (msec)), Grade 1 (450-480 msec), Grade 2 (481-500 msec), and Grade 3 (≥501 msec). Higher grade indicates greater severity. Data for participants with worst-case post baseline with any grade increase and a post-baseline grade increase to G2 and G3 from their baseline grade are presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.
Part 1: Number of Participants With Worst-case Change Post-baseline in Eastern Cooperative Oncology Group (ECOG) Performance StatusBaseline (Day 1) and up to approximately 141 weeksThe number of participants with worst-case post baseline performance status have been presented as 0-5. Where, 0- Fully active; 1- Restricted in strenuous activity but able to carry out light work activities; 2- Capable of self-care but unable to carry out any work activities; 3- Capable of limited self care, confined to bed/chair more than 50% of waking hours; 4- Completely disabled; can't carry on any self care; totally confined to bed/chair and 5- Dead.Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.
Part 2: Number of Participants With Clinically Significant Abnormalities in ECOG Performance StatusBaseline (Day 1) and up to approximately 212 weeksAny change in ECOG Performance status that was clinically significant in the medical and scientific judgment of the investigator and not related to an underlying disease was reported.

Secondary

MeasureTime frameDescription
Part 1: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Cycle 1, Cycle 2, Cycle 5, Cycle 8 and Cycle 11Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Observed Accumulation Ratio of C-EOI (R(C-EOI)) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)Cycle 1, Cycle 2, Cycle 3, Cycle 6, Cycle 9 and Cycle 12Blood samples were collected for PK analysis. Accumulation ratio for C-EOI was calculated as C-EOI at the visit divided by C-EOI at Cycle 1.
Part 1: Observed Accumulation Ratio of Ctrough (R(Ctrough)) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)Cycle 1, Cycle 2, Cycle 5, Cycle 8 and Cycle 11Blood samples were collected for PK analysis. Accumulation ratio for Ctrough was calculated as Ctrough at the visit divided by pre-dose at Cycle 2 Day 1.
Part 1: Observed Accumulation Ratio of C-EOI (R(C-EOI)) Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)Cycle 1, Cycle 2, Cycle 3, Cycle 6, Cycle 9 and Cycle 12Blood samples were collected for PK analysis. Accumulation ratio for C-EOI was calculated as C-EOI at the visit divided by C-EOI at Cycle 1.
Part 1: Observed Accumulation Ratio of Ctrough (R(Ctrough)) Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)Cycle 1, Cycle 2, Cycle 5, Cycle 8 and Cycle 11Blood samples were collected for PK analysis. Accumulation ratio for Ctrough was calculated as Ctrough at the visit divided by pre-dose at Cycle 2 Day 1.
Part 1: Observed Accumulation Ratio of C-EOI (R(C-EOI)) Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Cycle 1, Cycle 2, Cycle 3, Cycle 6, Cycle 9 and Cycle 12Blood samples were collected for PK analysis. Accumulation ratio for C-EOI was calculated as C-EOI at the visit divided by C-EOI at Cycle 1.
Part 2: AUC (0-tau) Following Single Dose Administration of Belantamab Mafodotin (ADC)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: AUC (0-inf) Following Single Dose Administration of Belantamab Mafodotin (ADC)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin (ADC)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: CL Following Single Dose Administration of Belantamab Mafodotin (ADC)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (ADC)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Lambda_z Following Single Dose Administration of Belantamab Mafodotin (ADC)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Vss Following Single Dose Administration of Belantamab Mafodotin (ADC)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: t1/2 Following Single Dose Administration of Belantamab Mafodotin (ADC)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Tlast Following Single Dose Administration of Belantamab Mafodotin (ADC)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Tmax Following Single Dose Administration of Belantamab Mafodotin (ADC)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2 Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (ADC)Cycle 1, Cycle 4, Cycle 6, Cycle 9, Cycle 10, Cycle 11 and Cycle 12Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2 Arm A: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (ADC)Cycle 3, Cycle 5, Cycle 8, Cycle 9, Cycle 10 and Cycle 11Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2 Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (ADC)Cycle 1, Cycle 2, Cycle 4, Cycle 10, Cycle 11 and Cycle 24Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2 Arm B: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (ADC)Cycle 1, Cycle 3, Cycle 9, Cycle 10 and Cycle 23Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: AUC (0-tau) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: AUC (0-inf) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Lambda_z Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Vss Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: t1/2 Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Tlast Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Tmax Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)Cycle 1, Cycle 4, Cycle 6, Cycle 9, Cycle 10, Cycle 11 and Cycle 12Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Arm A: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)Cycle 3, Cycle 5, Cycle 8, Cycle 9, Cycle 10 and Cycle 11Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)Cycle 1, Cycle 2, Cycle 4, Cycle 10, Cycle 11 and Cycle 24Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Arm B: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)Cycle 1, Cycle 3, Cycle 9, Cycle 10 and Cycle 23Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Tlast Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Tmax Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Area Under the Concentration-time Curve During the Dosing Interval (AUC (0-tau)) Following Single Dose Administration of Belantamab Mafodotin (Antibody-drug Conjugate (ADC))Pre-Dose; End of Infusion (EOI); 1 hour (h), 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for pharmacokinetic (PK) analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Arm A: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Cycle 3, Cycle 5, Cycle 8, Cycle 9, Cycle 10 and Cycle 11Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Cycle 1, Cycle 2, Cycle 4, Cycle 10, Cycle 11 and Cycle 24Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 2: Arm B: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Cycle 1, Cycle 3, Cycle 9, Cycle 10 and Cycle 23Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Number of Participants With Anti-drug Antibodies (ADAs) Against Belantamab MafodotinUp to approximately 141 weeksSerum samples were collected and tested for the presence of antibodies against belantamab mafodotin.
Part 2: Number of Participants With Anti-drug Antibodies (ADAs) Against Belantamab MafodotinUp to approximately 212 weeksSerum samples were collected and tested for the presence of antibodies against belantamab mafodotin.
Part 1: Titers of ADAs Against Belantamab MafodotinUp to approximately 141 weeksSerum samples collected for the analysis of the presence of ADAs using validated immunoassays. All samples were to be further tested in screening assay, and positive samples were further to be characterized for antibody titers.
Part 2: Titers of ADAs Against Belantamab MafodotinUp to approximately 212 weeksSerum samples collected for the analysis of the presence of ADAs using validated immunoassays. All samples were to be further tested in screening assay, and positive samples were further to be characterized for antibody titers.
Part 1 - Percentage of Participants With Overall Response Rate (ORR)Up to approximately 141 weeksORR is defined as the percentage of participants with a confirmed partial response (PR) or better (i.e. PR, very good partial response \[VGPR\], complete response \[CR\], and stringent complete response \[sCR\]) of best response, according to the International Myeloma Working Group (IMWG) Response Criteria. CR = negative immunofixation of serum and urine AND disappearance of any soft tissue plasmacytomas AND \<5% plasmacytomas in the bone marrow; sCR= CR as above PLUS normal serum free light-chain (FLC) assay ratio and absence of clonal cells in bone marrow by immunohistochemistry or immunofluorescence; VGPR = serum and urine M-component detectable by immunofixation but not on electrophoresis OR \>= 90% reduction in serum M-component plus urine M-component \<100 mg/24 hour (h); PR = \>=50% reduction of serum M-protein and reduction in 24-hour urinary M-protein by \>=90% or to \<200 mg/24 h.
Part 2 - Percentage of Participants With ORRUp to approximately 212 weeksORR is defined as the percentage of participants with a confirmed PR or better (i.e. PR, VGPR, CR, and sCR) of best response, according to the IMWG Response Criteria. CR = negative immunofixation of serum and urine AND disappearance of any soft tissue plasmacytomas AND \<5% plasmacytomas in the bone marrow; sCR= CR as above PLUS normal serum FLC assay ratio and absence of clonal cells in bone marrow by immunohistochemistry or immunofluorescence; VGPR = serum and urine M-component detectable by immunofixation but not on electrophoresis OR \>= 90% reduction in serum M-component plus urine M-component \<100 mg/24 h; PR = \>=50% reduction of serum M-protein and reduction in 24-h urinary M-protein by \>=90% or to \<200 mg/24 h.
Part 1: Clinical Benefit Rate (CBR)Up to approximately 141 weeksCBR is defined as percentage of participants with a confirmed Minimal response (MR) or better (i.e. MR, PR, VGPR, CR, and sCR) of best response, according to the IMWG Response Criteria. CR = negative immunofixation of serum and urine AND disappearance of any soft tissue plasmacytomas AND \<5% plasmacytomas in the bone marrow; sCR= CR as above PLUS normal serum FLC assay ratio and absence of clonal cells in bone marrow by immunohistochemistry or immunofluorescence; VGPR = serum and urine M-component detectable by immunofixation but not on electrophoresis OR \>= 90% reduction in serum M-component plus urine M-component \<100 mg/24 h; PR = \>=50% reduction of serum M-protein and reduction in 24-h urinary M-protein by \>=90% or to \<200 mg/24 h; MR= \>=25% but \<=49% reduction of serum M-protein and reduction in 24-h urine M-protein by 50-89%. In addition to the above listed criteria, if present at baseline, \>=50% reduction in the size (SPD) 4 of soft tissue plasmacytomas is also required.
Part 2: Clinical Benefit Rate (CBR)Up to approximately 212 weeksCBR is defined as percentage of participants with a confirmed Minimal response (MR) or better (i.e. MR, PR, VGPR, CR, and sCR) of best response, according to the IMWG Response Criteria. CR = negative immunofixation of serum and urine AND disappearance of any soft tissue plasmacytomas AND \<5% plasmacytomas in the bone marrow; sCR= CR as above PLUS normal serum FLC assay ratio and absence of clonal cells in bone marrow by immunohistochemistry or immunofluorescence; VGPR = serum and urine M-component detectable by immunofixation but not on electrophoresis OR \>= 90% reduction in serum M-component plus urine M-component \<100 mg/24 h; PR = \>=50% reduction of serum M-protein and reduction in 24-h urinary M-protein by \>=90% or to \<200 mg/24 h; MR= \>=25% but \<=49% reduction of serum M-protein and reduction in 24-h urine M-protein by 50-89%. In addition to the above listed criteria, if present at baseline, \>=50% reduction in the size (SPD) 4 of soft tissue plasmacytomas is also required.
Part 2 Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Cycle 1, Cycle 4, Cycle 6, Cycle 9, Cycle 10, Cycle 11 and Cycle 12Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: AUC Extrapolated to Infinity (AUC (0-inf)) Following Single Dose Administration of Belantamab Mafodotin (ADC)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: AUC From Time Zero to the Time of the Last Quantifiable Concentration (AUC (0 - Tlast)) Following Single Dose Administration of Belantamab Mafodotin (ADC)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Systemic Clearance (CL) Following Single Dose Administration of Belantamab Mafodotin (ADC)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Apparent Terminal Half-life (t1/2) Following Single Dose Administration of Belantamab Mafodotin (ADC)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Terminal Phase Rate Constant (Lambda_z) Following Single Dose Administration of Belantamab Mafodotin (ADC)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Volume of Distribution at Steady State (Vss) Following Single Dose Administration of Belantamab Mafodotin (ADC)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Time of Last Observed Quantifiable Concentration (Tlast) Following Single Dose Administration of Belantamab Mafodotin (ADC)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Time to Maximum Plasma Concentration (Tmax) Following Single Dose Administration of Belantamab Mafodotin (ADC)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Concentration at the End of Infusion (C-EOI) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)Cycle 1, Cycle 2, Cycle 3, Cycle 6, Cycle 9 and Cycle 12Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Maximum Observed Concentration (Cmax) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)Cycle 1, Cycle 2, Cycle 3, Cycle 6, Cycle 9 and Cycle 12Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Trough Plasma Concentration (Ctrough) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)Cycle 1, Cycle 2, Cycle 5, Cycle 8 and Cycle 11Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: AUC (0-tau) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: AUC (0-inf) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Systemic Clearance (CL) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: t1/2 Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Lambda_z Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Vss Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Tlast Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Tmax Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)Cycle 1, Cycle 2, Cycle 3, Cycle 6, Cycle 9 and Cycle 12Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)Cycle 1, Cycle 2, Cycle 3, Cycle 6, Cycle 9 and Cycle 12Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)Cycle 1, Cycle 2, Cycle 5, Cycle 8 and Cycle 11Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin Cysteine Maleimidocaproyl Monomethyl Auristatin F (Cys-mcMMAF)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Cmax Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Tlast Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: Tmax Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.
Part 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Cycle 1, Cycle 2, Cycle 3, Cycle 6, Cycle 9 and Cycle 12Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Countries

Japan

Participant flow

Pre-assignment details

The study consisted of two phases - Main Study Phase and Post Analysis Continued Treatment (PACT) Phase. In PACT phase those participants benefiting from drug continued to receive study drug until discontinuation or withdrawal from study.

Participants by arm

ArmCount
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)
Participants with Relapsed or Refractory Multiple Myeloma (RRMM) received belantamab mafodotin as 2.5 milligram (mg)/kilogram (kg) dose via intravenous (IV) infusion on Day 1 of every 21-day cycle (Q3W) maximum up to disease progression.
4
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kg
Participants with RRMM received belantamab mafodotin as dose of 3.4 mg/kg via IV infusion on Day 1 of every 21-day cycle (Q3W) maximum up to disease progression.
4
Main Study - Part 2: ArmA-Belantamab Mafodotin 2.5 mg/kg + Bortezomib and Dexamethasone (Bor/Dex)
Participants with RRMM received belantamab mafodotin as dose of 2.5mg/kg via IV infusion on Day 1 of every 21-day cycle (Q3W) maximum up to disease progression. Bortezomib was administered subcutaneously (SC) as 1.3 mg/meter\^2 (m\^2) on Day 1, Day 4, Day 8, and Day 11 of every 21-day cycle maximum up to 8 cycles. Dexamethasone was administered orally as dose of 20 mg on Day 1, Day 2, Day 4, Day 5, Day 8, Day 9, Day 11, and Day 12 of every 21-day cycle maximum up to 8 cycles.
3
Main Study - Part2: ArmB- Belantamab Mafodotin 2.5 mg/kg + Pomalidomide and Dexamethasone (Pom/Dex)
Participants with RRMM received belantamab mafodotin at a dose of 2.5 mg/kg via IV infusion on Day 1 of each 28-day cycle in cycle 1, and at a dose of 1.9 mg/kg from cycle 2 onwards maximum up to disease progression. Along with belantamab mafodotin, Pomalidomide was administered orally as dose of 4 mg per day on Day 1 to Day 21 of 28-day cycles maximum up to disease progression. Dexamethasone orally as dose of 40 mg per day on Day 1, Day 8, Day 15, and Day 22 of each 28-day maximum up to disease progression.
4
Total15

Withdrawals & dropouts

PeriodReasonFG000FG001FG002FG003FG004FG005
Main Study: Part 1 (Up to 141 Weeks)Death010000
Main Study: Part 2 (Up to 212 Weeks)Adverse Event000100
Main Study: Part 2 (Up to 212 Weeks)Progressive disease000100
Main Study: Part 2 (Up to 212 Weeks)Transitioned to PACT002200
Main Study: Part 2 (Up to 212 Weeks)Withdrawal by Subject001000

Baseline characteristics

CharacteristicMain Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgMain Study - Part 2: ArmA-Belantamab Mafodotin 2.5 mg/kg + Bortezomib and Dexamethasone (Bor/Dex)Main Study - Part2: ArmB- Belantamab Mafodotin 2.5 mg/kg + Pomalidomide and Dexamethasone (Pom/Dex)Total
Age, Customized
20 to 76 years
4 Participants4 Participants3 Participants4 Participants15 Participants
Race/Ethnicity, Customized
Asian- Japanese Heritage
4 Participants4 Participants3 Participants4 Participants15 Participants
Sex: Female, Male
Female
1 Participants2 Participants1 Participants1 Participants5 Participants
Sex: Female, Male
Male
3 Participants2 Participants2 Participants3 Participants10 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
EG004
affected / at risk
EG005
affected / at risk
deaths
Total, all-cause mortality
0 / 41 / 40 / 30 / 40 / 20 / 2
other
Total, other adverse events
4 / 44 / 43 / 34 / 40 / 20 / 2
serious
Total, serious adverse events
2 / 40 / 40 / 31 / 41 / 20 / 2

Outcome results

Primary

Part 1: Change From Baseline (CFB) in Urine Potential of Hydrogen (pH)

Urine samples were collected to analyze urine pH levels. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.

Time frame: Baseline (Day 1) and up to approximately 141 weeks

Population: All treated population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Change From Baseline (CFB) in Urine Potential of Hydrogen (pH)Baseline (Day 1)7.13 pHStandard Deviation 0.75
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Change From Baseline (CFB) in Urine Potential of Hydrogen (pH)CFB to 141 Weeks-0.75 pHStandard Deviation 0.645
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Change From Baseline (CFB) in Urine Potential of Hydrogen (pH)Baseline (Day 1)5.38 pHStandard Deviation 0.479
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Change From Baseline (CFB) in Urine Potential of Hydrogen (pH)CFB to 141 Weeks0.67 pHStandard Deviation 1.155
Primary

Part 1: Change From Baseline in Urine Specific Gravity by Dipstick

Urine samples were collected to analyze urine specific gravity. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.

Time frame: Baseline (Day 1) and up to approximately 141 weeks

Population: All treated population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Change From Baseline in Urine Specific Gravity by DipstickBaseline (Day 1)1.0128 RatioStandard Deviation 0.00591
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Change From Baseline in Urine Specific Gravity by DipstickCFB to 141 Weeks-0.0010 RatioStandard Deviation 0.0101
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Change From Baseline in Urine Specific Gravity by DipstickBaseline (Day 1)1.0190 RatioStandard Deviation 0.00408
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Change From Baseline in Urine Specific Gravity by DipstickCFB to 141 Weeks-0.0037 RatioStandard Deviation 0.00451
Primary

Part 1: Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)

An AE is defined as any untoward medical occurrence in a participant or clinical investigation participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. An SAE is defined as any untoward medical occurrence that, at any dose, results in death; was life threatening; required hospitalization or prolongation of existing hospitalization; resulted in disability/incapacity; was a congenital anomaly/birth defect. SAEs are subset of AEs.

Time frame: Up to approximately 141 weeks

Population: All Treated Population included all eligible participants who received at least 1 dose of study treatment.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)AEs4 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)SAEs2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)AEs4 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)SAEs0 Participants
Primary

Part 1: Number of Participants With Dose Limiting Toxicities (DLTs)

DLT is an Adverse Event (AE) that is considered by the investigator to be clinically relevant and attributed to the study therapy during the 21-day DLT period and meets at least one of the DLT criteria: Grade 3 or greater febrile neutropenia lasting \>48 hours (h) despite adequate treatment, Grade 4 thrombocytopenia \<25,000/mm\^3accompanied by clinically significant bleeding, any Grade 3 or greater non-hematologic toxicity, any Grade 3 or greater non-hematologic laboratory value if: laboratory abnormality persists for \>48 h despite supportive treatment for abnormality leads to hospitalization, Grade 4 Corneal toxicity, and liver toxicity meeting pre-specified GlaxoSmithKline liver stopping criteria. DLTs were assessed by National Cancer Institute- Common Toxicity Criteria for Adverse Events (NCI-CTCAE), version 4.03.

Time frame: Up to Day 21

Population: DLT Evaluable population included participants fulfilling the 'All Treated' population (all eligible participants who received at least 1 dose of study treatment) criteria, and those who received a complete infusion in 21- day Cycle 1.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Dose Limiting Toxicities (DLTs)0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Dose Limiting Toxicities (DLTs)0 Participants
Primary

Part 1: Number of Participants With Worst-Case Amount of Increase From Baseline Value in Corrected QT Interval Using Fredericia's Formula (QTcF)

12-lead electrocardiogram (ECG) was obtained using an automated ECG machine that automatically calculated the heart rate and measured PR, QRS, QT, and QT interval corrected using Fridericia's formula (QTcF) intervals. Grade 0 (\<450 millisecond (msec)), Grade 1 (450-480 msec), Grade 2 (481-500 msec), and Grade 3 (≥501 msec). Higher grade indicates greater severity. Data for participants with worst-case post baseline with any grade increase and a post-baseline grade increase to G2 and G3 from their baseline grade are presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.

Time frame: Baseline (Day 1) and up to approximately 141 weeks

Population: All treated population.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-Case Amount of Increase From Baseline Value in Corrected QT Interval Using Fredericia's Formula (QTcF)Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-Case Amount of Increase From Baseline Value in Corrected QT Interval Using Fredericia's Formula (QTcF)Increase to Grade 2 (481 - 500 msec))1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-Case Amount of Increase From Baseline Value in Corrected QT Interval Using Fredericia's Formula (QTcF)Increase to Grade 3 (>= 501 msec))0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-Case Amount of Increase From Baseline Value in Corrected QT Interval Using Fredericia's Formula (QTcF)Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-Case Amount of Increase From Baseline Value in Corrected QT Interval Using Fredericia's Formula (QTcF)Increase to Grade 2 (481 - 500 msec))0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-Case Amount of Increase From Baseline Value in Corrected QT Interval Using Fredericia's Formula (QTcF)Increase to Grade 3 (>= 501 msec))0 Participants
Primary

Part 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and Protein

Urine samples were collected to analyze presence of occult blood and protein in urine by dipstick method. Data for worst-case post baseline urinalysis results is presented. Result for urinalysis parameters were recorded as no change/decreased, Increase to SMALL, Increase to MODERATE, Increase to LARGE, and any increase including increase to +-, 1+, 2+, 3+, unknown indicating proportional concentrations in the urine sample.

Time frame: Baseline (Day 1) and up to approximately 141 weeks

Population: All treated population. Only those participants with data available at specified category have been analyzed.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinOccult Blood, No Change/Decreased4 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Increase to +-0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinOccult Blood, Increase to LARGE0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Increase to 1+1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Increase to 2+1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinOccult Blood, Increase to MODERATE0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Increase to 3+0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, No Change/Decreased2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Unknown0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinOccult Blood, Increase to SMALL0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Unknown0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinOccult Blood, Increase to SMALL0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Increase to 1+1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinOccult Blood, No Change/Decreased2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinOccult Blood, Increase to MODERATE0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinOccult Blood, Increase to LARGE0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, No Change/Decreased2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Increase to +-0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Increase to 2+0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Increase to 3+0 Participants
Primary

Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry Parameters

Blood samples were collected for analysis of clinical chemistry parameters: C Reactive Protein, Chloride, Direct Bilirubin (DB), Lactate Dehydrogenase, Protein and Urea. The summaries of worst-case change from baseline with respect to normal range was analyzed for only those laboratory tests that were not gradable by CTCAE v4.03. The number of participants with decreases to low from baseline, changes to normal or no changes from baseline, and increases to high values have been presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.

Time frame: Baseline (Day 1) and up to approximately 141 weeks

Population: All treated population. Participants are counted twice if the participant has values that changed Decreased to Low and Increased to High, so the sum of the percentages may not add to 100% for each category.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersC Reactive Protein, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersC Reactive Protein, Change to Normal or No Change2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersC Reactive Protein, Increase to High2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersChloride, Decrease to Low2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersChloride, Change to Normal or No Change0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersChloride, Increase to High2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersDirect Bilirubin, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersDirect Bilirubin, Change to Normal or No Change4 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersDirect Bilirubin, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersLactate Dehydrogenase, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersLactate Dehydrogenase, Change to Normal or No Change2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersLactate Dehydrogenase, Increase to High2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersProtein, Decrease to Low1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersProtein, Change to Normal or No Change2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersProtein, Increase to High1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersUrea, Decrease to Low2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersUrea, Change to Normal or No Change1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersUrea, Increase to High1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersProtein, Change to Normal or No Change2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersC Reactive Protein, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersLactate Dehydrogenase, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersC Reactive Protein, Change to Normal or No Change1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersUrea, Increase to High1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersC Reactive Protein, Increase to High2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersLactate Dehydrogenase, Change to Normal or No Change2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersChloride, Decrease to Low2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersProtein, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersChloride, Change to Normal or No Change2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersLactate Dehydrogenase, Increase to High2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersChloride, Increase to High1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersUrea, Change to Normal or No Change2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersDirect Bilirubin, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersProtein, Decrease to Low2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersDirect Bilirubin, Change to Normal or No Change3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersUrea, Decrease to Low1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersDirect Bilirubin, Increase to High1 Participants
Primary

Part 1: Number of Participants With Worst-case Change Post-baseline in Eastern Cooperative Oncology Group (ECOG) Performance Status

The number of participants with worst-case post baseline performance status have been presented as 0-5. Where, 0- Fully active; 1- Restricted in strenuous activity but able to carry out light work activities; 2- Capable of self-care but unable to carry out any work activities; 3- Capable of limited self care, confined to bed/chair more than 50% of waking hours; 4- Completely disabled; can't carry on any self care; totally confined to bed/chair and 5- Dead.Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.

Time frame: Baseline (Day 1) and up to approximately 141 weeks

Population: All treated population.

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Eastern Cooperative Oncology Group (ECOG) Performance Status00 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Eastern Cooperative Oncology Group (ECOG) Performance Status13 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Eastern Cooperative Oncology Group (ECOG) Performance Status30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Eastern Cooperative Oncology Group (ECOG) Performance Status4-50 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Eastern Cooperative Oncology Group (ECOG) Performance Status21 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Eastern Cooperative Oncology Group (ECOG) Performance Status4-50 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Eastern Cooperative Oncology Group (ECOG) Performance Status30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Eastern Cooperative Oncology Group (ECOG) Performance Status01 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Eastern Cooperative Oncology Group (ECOG) Performance Status12 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Eastern Cooperative Oncology Group (ECOG) Performance Status20 Participants
Primary

Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology Parameters

Blood samples were collected for the analysis of following hematology parameters: Basophils, Eosinophils, Mean Corpuscular Hemoglobin Concentration (MCHC), Mean Corpuscular Hemoglobin (MCH), Mean Corpuscular Volume (MCV), erythrocytes, Hematocrit, monocytes and reticulocytes. The summaries of worst-case change from baseline with respect to normal range was analyzed for only those laboratory tests that were not gradable by CTCAE version 4.03. The number of participants with decreases to low from baseline, changes to normal or no changes from baseline, and increases to high values have been presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.

Time frame: Baseline (Day 1) and up to approximately 141 weeks

Population: All treated population. Participants are counted twice if the participant has values that changed Decreased to Low and Increased to High, so the sum of the percentages may not add to 100% for each category.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersHematocrit, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersReticulocytes, Change to Normal or No Change1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersBasophils, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersBasophils, Change to Normal or No Change4 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersBasophils, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersEosinophils, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersEosinophils, Change to Normal or No Change3 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersEosinophils, Increase to High1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCHC, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCHC, Change to Normal or No Change4 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCHC, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCH, Decrease to Low1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCH, Change to Normal or No Change3 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCH, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCV, Decrease to Low1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCV, Change to Normal or No Change2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCV, Increase to High1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersErythrocytes, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersErythrocytes, Change to Normal or No Change4 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersErythrocytes, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersHematocrit, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersHematocrit, Change to Normal or No Change4 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMonocytes, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMonocytes, Change to Normal or No Change2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMonocytes, Increase to High2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersReticulocytes, Decrease to Low2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersReticulocytes, Increase to High1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersHematocrit, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCV, Change to Normal or No Change2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersReticulocytes, Increase to High1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersBasophils, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCV, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersBasophils, Change to Normal or No Change4 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMonocytes, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersBasophils, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersErythrocytes, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersEosinophils, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersReticulocytes, Decrease to Low1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersEosinophils, Change to Normal or No Change4 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersErythrocytes, Change to Normal or No Change4 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersEosinophils, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMonocytes, Change to Normal or No Change4 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCHC, Decrease to Low1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersErythrocytes, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCHC, Change to Normal or No Change2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersReticulocytes, Change to Normal or No Change3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCHC, Increase to High1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersHematocrit, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCH, Decrease to Low1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMonocytes, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCH, Change to Normal or No Change3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersHematocrit, Change to Normal or No Change4 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCH, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCV, Decrease to Low2 Participants
Primary

Part 1: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: Heart Rate

Heart rate was measured after resting for at least 5 minutes. The abnormal ranges for heart rate were (low \<60 beats per minute \[bpm\] and high \>100 bpm). Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits. Data for participants with worst case change from baseline was presented as Baseline to low, Baseline to Normal or No change and Baseline to High.

Time frame: Baseline (Day 1) and up to approximately 141 weeks

Population: All treated population.

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: Heart RateDecrease to Low (<60 bpm)1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: Heart RateChange to Normal or No Change3 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: Heart RateIncrease to High (>100 bpm)0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: Heart RateDecrease to Low (<60 bpm)0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: Heart RateIncrease to High (>100 bpm)1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: Heart RateChange to Normal or No Change3 Participants
Primary

Part 1: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: Temperature

Temperature was measured after resting for at least 5 minutes. The abnormal ranges for body temperature were (\<=35 degrees Celsius or \>=38 degrees Celsius). Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.

Time frame: Baseline (Day 1) and up to approximately 141 weeks

Population: All treated population.

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: TemperatureDecrease to =<350 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: TemperatureChange to Normal or to No Change4 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: TemperatureIncrease to >=380 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: TemperatureDecrease to =<350 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: TemperatureChange to Normal or to No Change4 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: TemperatureIncrease to >=380 Participants
Primary

Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry Parameters

Blood samples were collected for clinical chemistry parameters analysis: Creatine Kinase (CK), Creatinine, Gamma Glutamyl Transferase (GGT), Magnesium, Phosphate, Potassium, Sodium, Calcium, Glucose, Urate, Alanine Aminotransferase (ALT), Albumin, Alkaline Phosphatase (ALP), Aspartate Aminotransferase (AST), Bilirubin were graded according to National Cancer Institute-Common Terminology Criteria for Adverse Events (NCI-CTCAE) version (v) 4.03. Grade (G)1: mild; G2: moderate; G3: severe or medically significant; G4: life-threatening consequences. Higher grade indicates greater severity and increase in grade was defined relative to Baseline grade. Any worst-case post baseline increases in grade along with any increase to a maximum G3 and a maximum G4 are presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.

Time frame: Baseline (Day 1) and up to approximately 141 weeks

Population: All treated population. Only those participants with data available at specified category have been analyzed.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypoglycemia, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCreatinine, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypoglycemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypomagnesemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypoglycemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperglycemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyponatremia, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypomagnesemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyponatremia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersGGT, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyponatremia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersPhosphate, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperuricemia, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCK, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperuricemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersPhosphate, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperuricemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersGGT, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALT, Any Grade Increase3 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersPhosphate, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALT, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCK, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALT, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperkalemia, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAlbumin, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersGGT, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAlbumin, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperkalemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAlbumin, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperglycemia, Any Grade Increase4 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALP, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCreatinine, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALP, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperkalemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALP, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypermagnesemia, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAST, Any Grade Increase4 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypokalemia, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAST, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperglycemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAST, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypokalemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersBilirubin, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypermagnesemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersBilirubin, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypokalemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersBilirubin, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCreatinine, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypercalcemia, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypernatremia, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypercalcemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypermagnesemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypercalcemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypernatremia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypocalcemia, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCK, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypocalcemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypernatremia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypocalcemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypomagnesemia, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypocalcemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperglycemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperglycemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCK, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCK, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCK, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCreatinine, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCreatinine, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCreatinine, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersGGT, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersGGT, Increase to Grade 32 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersGGT, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypermagnesemia, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypermagnesemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypermagnesemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypomagnesemia, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypomagnesemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypomagnesemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersPhosphate, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersPhosphate, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersPhosphate, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperkalemia, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperkalemia, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperkalemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypokalemia, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypokalemia, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypokalemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypernatremia, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypernatremia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypernatremia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypoglycemia, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypoglycemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypoglycemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyponatremia, Any Grade Increase3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyponatremia, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyponatremia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperuricemia, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperuricemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperuricemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALT, Any Grade Increase3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALT, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALT, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAlbumin, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAlbumin, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAlbumin, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALP, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALP, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALP, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAST, Any Grade Increase4 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAST, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAST, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersBilirubin, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersBilirubin, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersBilirubin, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypercalcemia, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypercalcemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypercalcemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypocalcemia, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypocalcemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperglycemia, Any Grade Increase4 Participants
Primary

Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology Parameters

Blood samples were collected for analysis of hematology parameters: Hemoglobin, Leukocytes, Lymphocytes, Neutrophils and Platelets were graded according to CTCAE v4.03. G1: mild; G2: moderate; G3: severe or medically significant; G4: life-threatening consequences. Higher grade indicates greater severity and increase in grade was defined relative to Baseline grade. Any worst-case post baseline increases in grade along with any increase to a maximum G3 and a maximum G4 are presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.

Time frame: Baseline (Day 1) and up to approximately 141 weeks

Population: All treated population.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersNeutrophils, Increase to Grade 32 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count decreased, Increase to Grade 41 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count increased, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count increased, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count increased, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersNeutrophils, Any Grade Increase4 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count decreased, Increase to Grade 32 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersNeutrophils, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersPlatelets, Any Grade Increase4 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersPlatelets, Increase to Grade 34 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersPlatelets, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersAnemia, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersAnemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersAnemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersHemoglobin increased, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersHemoglobin increased, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersHemoglobin increased, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLeukocytosis, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLeukocytosis, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLeukocytosis, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersWhite blood cell decreased, Any Grade Increase4 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersWhite blood cell decreased, Increase to Grade 32 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersWhite blood cell decreased, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count decreased, Any Grade Increase4 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersWhite blood cell decreased, Increase to Grade 41 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count decreased, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersAnemia, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count decreased, Increase to Grade 41 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLeukocytosis, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count increased, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersAnemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count increased, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersWhite blood cell decreased, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count increased, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersHemoglobin increased, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersNeutrophils, Any Grade Increase3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLeukocytosis, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersNeutrophils, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersHemoglobin increased, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersNeutrophils, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count decreased, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersPlatelets, Any Grade Increase3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersHemoglobin increased, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersPlatelets, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersWhite blood cell decreased, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersPlatelets, Increase to Grade 42 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLeukocytosis, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersAnemia, Any Grade Increase2 Participants
Primary

Part 1: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)

DBP and SBP were measured after resting for at least 5 minutes in a supine or semi-recumbent position. They were graded according to NCI-CTCAE version 4.03. For SBP: Grade (G) 0 (\<120 millimeter of mercury \[mmHg\]), G1 (120-139 mmHg), G2 (140-159 mmHg), G3 (\>=160 mmHg). For DBP: G0 (\<80 mmHg), G1 (80-89 mmHg), G2 (90-99 mmHg), G3 (\>=100 mmHg). Higher grade indicates greater severity. Data for participants with worst-case post baseline with any grade increase and a maximum post-baseline grade increase to G2 and G3 from their baseline grade are presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.

Time frame: Baseline (Day 1) and up to approximately 141 weeks

Population: All treated population.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)SBP, Increase to Grade 22 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)DBP, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)SBP, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)DBP, Increase to Grade 21 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)DBP, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)SBP, Any Grade Increase3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)DBP, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)DBP, Increase to Grade 20 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)SBP, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)SBP, Increase to Grade 21 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)SBP, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)DBP, Any Grade Increase2 Participants
Primary

Part 2: Arm A: Number of Participants With DLTs

DLT is an AE that is considered by the investigator to be clinically relevant and attributed to the study therapy during the 21-day DLT period and meets at least one of the DLT criteria: Grade 3 or greater febrile neutropenia lasting \>48 hours (h) despite adequate treatment, Grade 4 thrombocytopenia \<25,000/mm\^3 accompanied by clinically significant bleeding, any Grade 3 or greater non-hematologic toxicity, any Grade 3 or greater non-hematologic laboratory value if: laboratory abnormality persists for \>48 h despite supportive treatment or abnormality leads to hospitalization, Grade 4 Corneal toxicity, and liver toxicity meeting pre-specified GlaxoSmithKline liver stopping criteria. DLTs were assessed by NCI-CTCAE, version 4.03.

Time frame: Up to Day 21

Population: DLT Evaluable population included participants fulfilling the 'All Treated' population criteria, and those who received a complete infusion of Belantamab Mafodotin and at least 75% of planned doses of bortezomib/dexamethasone in 21-day Cycle 1.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm A: Number of Participants With DLTs0 Participants
Primary

Part 2: Arm B: Number of Participants With DLTs

DLT is an AE that is considered by the investigator to be clinically relevant and attributed to the study therapy during the 21-day DLT period and meets at least one of the DLT criteria: Grade 3 or greater febrile neutropenia lasting \>48 hours (h) despite adequate treatment, Grade 4 thrombocytopenia \<25,000/mm\^3 accompanied by clinically significant bleeding, any Grade 3 or greater non-hematologic toxicity, any Grade 3 or greater non-hematologic laboratory value if: laboratory abnormality persists for \>48 h despite supportive treatment or abnormality leads to hospitalization, Grade 4 Corneal toxicity, and liver toxicity meeting pre-specified GlaxoSmithKline liver stopping criteria. DLTs were assessed by NCI-CTCAE, version 4.03.

Time frame: Up to Day 28

Population: DLT Evaluable population included participants fulfilling the 'All Treated' population criteria, and those who received a complete infusion of Belantamab Mafodotin and at least 75% of planned doses of pomalidomide/dexamethasone in 28-day Cycle 1.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm B: Number of Participants With DLTs1 Participants
Primary

Part 2: Change From Baseline in Urine Potential of Hydrogen (pH)

Urine samples were collected to analyze urine pH levels. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.

Time frame: Baseline (Day 1) and up to approximately 212 weeks

Population: All treated population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Change From Baseline in Urine Potential of Hydrogen (pH)Baseline (Day 1)6.33 pHStandard Deviation 1.041
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Change From Baseline in Urine Potential of Hydrogen (pH)CFB to 212 weeks0.00 pH
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Change From Baseline in Urine Potential of Hydrogen (pH)Baseline (Day 1)5.25 pHStandard Deviation 0.5
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Change From Baseline in Urine Potential of Hydrogen (pH)CFB to 212 weeks1.50 pHStandard Deviation 0.707
Primary

Part 2: Change From Baseline in Urine Specific Gravity by Dipstick

Urine samples were collected to analyze urine specific gravity. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.

Time frame: Baseline (Day 1) and up to approximately 212 weeks

Population: All treated population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Change From Baseline in Urine Specific Gravity by DipstickBaseline (Day 1)1.0167 RatioStandard Deviation 0.00723
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Change From Baseline in Urine Specific Gravity by DipstickCFB to 212 Weeks-0.0070 Ratio
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Change From Baseline in Urine Specific Gravity by DipstickBaseline (Day 1)1.0218 RatioStandard Deviation 0.00608
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Change From Baseline in Urine Specific Gravity by DipstickCFB to 212 Weeks-0.0055 RatioStandard Deviation 0.00354
Primary

Part 2: Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)

An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of a study treatment, whether or not considered related to the study treatment. SAE is defined as any untoward medical occurrence that, at any dose results in death, Is life-threatening, Requires inpatient hospitalization or prolongation of existing hospitalization, Results in persistent disability/incapacity or Is a congenital anomaly/birth defect other situations which involve medical or scientific judgment or is associated with liver injury and impaired liver function. SAEs are subset of AEs.

Time frame: Up to approximately 212 weeks

Population: All Treated Population

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)AEs3 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)SAEs0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)AEs4 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)SAEs1 Participants
Primary

Part 2: Number of Participants With Clinically Significant Abnormalities in ECOG Performance Status

Any change in ECOG Performance status that was clinically significant in the medical and scientific judgment of the investigator and not related to an underlying disease was reported.

Time frame: Baseline (Day 1) and up to approximately 212 weeks

Population: All treated population.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Clinically Significant Abnormalities in ECOG Performance Status0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Clinically Significant Abnormalities in ECOG Performance Status0 Participants
Primary

Part 2: Number of Participants With Worst-Case Amount of Increase From Baseline Value in QTcF

12-lead electrocardiogram (ECG) was obtained using an automated ECG machine that automatically calculated the heart rate and measured PR, QRS, QT, and QT interval corrected using Fridericia's formula (QTcF) intervals. Grade 0 (\<450 millisecond (msec)), Grade 1 (450-480 msec), Grade 2 (481-500 msec), and Grade 3 (≥501 msec). Higher grade indicates greater severity. Data for participants with worst-case post baseline with any grade increase and a post-baseline grade increase to G2 and G3 from their baseline grade are presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.

Time frame: Baseline (Day 1) and up to approximately 212 weeks

Population: All treated population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-Case Amount of Increase From Baseline Value in QTcFAny Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-Case Amount of Increase From Baseline Value in QTcFIncrease to Grade 2 (481 - 500 msec)0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-Case Amount of Increase From Baseline Value in QTcFIncrease to Grade 3 (>= 501 msec)0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-Case Amount of Increase From Baseline Value in QTcFIncrease to Grade 2 (481 - 500 msec)0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-Case Amount of Increase From Baseline Value in QTcFAny Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-Case Amount of Increase From Baseline Value in QTcFIncrease to Grade 3 (>= 501 msec)0 Participants
Primary

Part 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and Protein

Urine samples were collected to analyze presence of occult blood and protein in urine by dipstick method. Data for worst-case post baseline urinalysis results is presented. Result for urinalysis parameters were recorded as no change/decreased, Increase to SMALL, Increase to MODERATE, Increase to LARGE, and any increase including increase to +-, 1+, 2+, 3+, unknown indicating proportional concentrations in the urine sample.

Time frame: Baseline (Day 1) and up to approximately 212 weeks

Population: All treated population. Only those participants with data available at specified category have been analyzed.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinOccult Blood, Increase to MODERATE0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Increase to +-1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinOccult Blood, Increase to SMALL0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Increase to 1+0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinOccult Blood, Increase to LARGE0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Increase to 2+0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinOccult Blood, No Change/Decreased3 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Increase to 3+0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, No Change/Decreased1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Unknown1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, No Change/Decreased3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinOccult Blood, No Change/Decreased4 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinOccult Blood, Increase to SMALL0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinOccult Blood, Increase to MODERATE0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinOccult Blood, Increase to LARGE0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Unknown0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Increase to +-0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Increase to 1+0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Increase to 2+0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change in Post Baseline Values Relative to Baseline Urinalysis Results: Occult Blood and ProteinProtein, Increase to 3+0 Participants
Primary

Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry Parameters

Blood samples were collected for analysis of clinical chemistry parameters: C Reactive Protein, Chloride, Direct Bilirubin (DB), Lactate Dehydrogenase, Protein and Urea. The summaries of worst-case change from baseline with respect to normal range was analyzed for only those laboratory tests that were not gradable by CTCAE v4.03. The number of participants with decreases to low from baseline, changes to normal or no changes from baseline, and increases to high values have been presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.

Time frame: Baseline (Day 1) and up to approximately 212 weeks

Population: All treated population. Only those participants with data available at specified category have been analyzed. Participants are counted twice if the participant has values that changed Decreased to Low and Increased to High, so the sum of the percentages may not add to 100% for each category.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersDirect Bilirubin, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersDirect Bilirubin, Change to Normal or No Change3 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersDirect Bilirubin, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersChloride, Decrease to Low2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersChloride, Change to Normal or No Change0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersChloride, Increase to High2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersC Reactive Protein, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersC Reactive Protein, Change to Normal or No Change2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersC Reactive Protein, Increase to High1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersLactate Dehydrogenase, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersLactate Dehydrogenase, Change to Normal or No Change1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersLactate Dehydrogenase, Increase to High2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersProtein, Decrease to Low3 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersProtein, Change to Normal or No Change0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersProtein, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersUrea, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersUrea, Change to Normal or No Change1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersUrea, Increase to High2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersProtein, Change to Normal or No Change1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersDirect Bilirubin, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersLactate Dehydrogenase, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersDirect Bilirubin, Change to Normal or No Change2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersUrea, Increase to High1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersDirect Bilirubin, Increase to High2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersLactate Dehydrogenase, Change to Normal or No Change3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersChloride, Decrease to Low1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersProtein, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersChloride, Change to Normal or No Change2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersLactate Dehydrogenase, Increase to High1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersChloride, Increase to High2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersUrea, Change to Normal or No Change3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersC Reactive Protein, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersProtein, Decrease to Low3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersC Reactive Protein, Change to Normal or No Change1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersUrea, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Clinical Chemistry ParametersC Reactive Protein, Increase to High3 Participants
Primary

Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology Parameters

Blood samples were collected for the analysis of following hematology parameters: Basophils, Eosinophils, MCHC, MCH, MCV, erythrocytes, Hematocrit, monocytes and reticulocytes. The summaries of worst-case change from baseline with respect to normal range was analyzed for only those laboratory tests that were not gradable by CTCAE version 4.03. The number of participants with decreases to low, changes to normal or no changes, and increases to high from baseline values have been presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.

Time frame: Baseline (Day 1) and up to approximately 212 weeks

Population: All treated population. Participants are counted twice if the participant has values that changed Decreased to Low and Increased to High, so the sum of the percentages may not add to 100% for each category.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersHematocrit, Change to Normal or No Change2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCHC, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersEosinophils, Change to Normal or No Change3 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCV, Decrease to Low1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersHematocrit, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCV, Change to Normal or No Change0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersBasophils, Change to Normal or No Change3 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCV, Increase to High2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCH, Decrease to Low2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMonocytes, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersEosinophils, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMonocytes, Change to Normal or No Change1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCH, Change to Normal or No Change1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMonocytes, Increase to High2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersEosinophils, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersErythrocytes, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCH, Increase to High1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersErythrocytes, Change to Normal or No Change3 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersHematocrit, Decrease to Low1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersErythrocytes, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCHC, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersReticulocytes, Decrease to Low1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersBasophils, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersReticulocytes, Change to Normal or No Change1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCHC, Change to Normal or No Change3 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersReticulocytes, Increase to High1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersBasophils, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersReticulocytes, Increase to High2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersBasophils, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersBasophils, Change to Normal or No Change1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersBasophils, Increase to High3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersEosinophils, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersEosinophils, Change to Normal or No Change3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersEosinophils, Increase to High1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersHematocrit, Decrease to Low1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersHematocrit, Change to Normal or No Change3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersHematocrit, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCH, Decrease to Low2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCH, Change to Normal or No Change2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCH, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCHC, Decrease to Low2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCHC, Change to Normal or No Change1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCHC, Increase to High1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCV, Decrease to Low1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCV, Change to Normal or No Change2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMCV, Increase to High1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMonocytes, Decrease to Low0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMonocytes, Change to Normal or No Change0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersMonocytes, Increase to High4 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersErythrocytes, Decrease to Low1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersErythrocytes, Change to Normal or No Change3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersErythrocytes, Increase to High0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersReticulocytes, Decrease to Low1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Hematology ParametersReticulocytes, Change to Normal or No Change1 Participants
Primary

Part 2: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: Heart Rate

Heart rate was measured after resting for at least 5 minutes. The abnormal ranges for heart rate were (low \<60 beats per minute \[bpm\] and high \>100 bpm). Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits. Data for participants with worst case change from baseline was presented as Baseline to low, Baseline to Normal or No change and Baseline to High.

Time frame: Baseline (Day 1) and up to approximately 212 weeks

Population: All treated population.

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: Heart RateDecrease to Low (<60 bpm)1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: Heart RateChange to Normal or No Change0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: Heart RateIncrease to High (>100 bpm)2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: Heart RateDecrease to Low (<60 bpm)1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: Heart RateChange to Normal or No Change3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: Heart RateIncrease to High (>100 bpm)0 Participants
Primary

Part 2: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: Temperature

Temperature was measured after resting for at least 5 minutes. The abnormal ranges for body temperature were (\<=35 degrees Celsius or \>=38 degrees Celsius). Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.

Time frame: Baseline (Day 1) and up to approximately 212 weeks

Population: All treated population.

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: TemperatureDecrease to <=350 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: TemperatureChange to Normal or No Change3 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: TemperatureIncrease to >=380 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: TemperatureDecrease to <=350 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: TemperatureChange to Normal or No Change4 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Change Post-baseline in Vital Sign Parameters: TemperatureIncrease to >=380 Participants
Primary

Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry Parameters

Blood samples were collected for clinical chemistry parameters analysis: Creatine Kinase (CK), Creatinine, Gamma Glutamyl Transferase (GGT), Magnesium, Phosphate, Potassium, Sodium, Calcium, Glucose, Urate, Alanine Aminotransferase (ALT), Albumin, Alkaline Phosphatase (ALP), Aspartate Aminotransferase (AST), Bilirubin were graded according to NCI-CTCAE v 4.03. G1: mild; G2: moderate; G3: severe or medically significant; G4: life-threatening consequences. Higher grade indicates greater severity and increase in grade was defined relative to Baseline grade. Any worst-case post baseline increases in grade along with any increase to a maximum G3 and a maximum G4 are presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.

Time frame: Baseline (Day 1) and up to approximately 212 weeks

Population: All treated population. Only those participants with data available at specified category have been analyzed.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCreatinine, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALT, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCreatinine, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAST, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCreatinine, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperglycemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersGGT, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAST, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersGGT, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAlbumin, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersGGT, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersBilirubin, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypermagnesemia, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypoglycemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypermagnesemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersBilirubin, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypermagnesemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAlbumin, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypomagnesemia, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersBilirubin, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypomagnesemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypoglycemia, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypomagnesemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypercalcemia, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersPhosphate, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAlbumin, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersPhosphate, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypercalcemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersPhosphate, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALT, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperkalemia, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypercalcemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperkalemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALP, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperkalemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypocalcemia, Any Grade Increase3 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypokalemia, Any Grade Increase3 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperglycemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypokalemia, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypocalcemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypokalemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALP, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypernatremia, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypocalcemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypernatremia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALT, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypernatremia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCK, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyponatremia, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALP, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyponatremia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCK, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyponatremia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypoglycemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperuricemia, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCK, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperuricemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAST, Any Grade Increase3 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperuricemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperglycemia, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperuricemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperglycemia, Any Grade Increase4 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperglycemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperglycemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypoglycemia, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypoglycemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypoglycemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALT, Any Grade Increase3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALT, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALT, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAlbumin, Any Grade Increase3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAlbumin, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAlbumin, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALP, Any Grade Increase4 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALP, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersALP, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAST, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAST, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersAST, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersBilirubin, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersBilirubin, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersBilirubin, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypercalcemia, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypercalcemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypercalcemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypocalcemia, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypocalcemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypocalcemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCK, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCK, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCK, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCreatinine, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCreatinine, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersCreatinine, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersGGT, Any Grade Increase3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersGGT, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersGGT, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypermagnesemia, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypermagnesemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypermagnesemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypomagnesemia, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypomagnesemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypomagnesemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersPhosphate, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersPhosphate, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersPhosphate, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperkalemia, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperkalemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperkalemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypokalemia, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypokalemia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypokalemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypernatremia, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypernatremia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHypernatremia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyponatremia, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyponatremia, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyponatremia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperuricemia, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Clinical Chemistry ParametersHyperuricemia, Increase to Grade 30 Participants
Primary

Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology Parameters

Blood samples were collected for analysis of hematology parameters: Hemoglobin, Leukocytes, Lymphocytes, Neutrophils and Platelets were graded according to CTCAE v4.03. G1: mild; G2: moderate; G3: severe or medically significant; G4: life-threatening consequences. Higher grade indicates greater severity and increase in grade was defined relative to Baseline grade. Any worst-case post baseline increases in grade along with any increase to a maximum G3 and a maximum G4 are presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.

Time frame: Baseline (Day 1) and up to approximately 212 weeks

Population: All treated population.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLeukocytosis, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersAnemia, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersAnemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersHemoglobin increased, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersHemoglobin increased, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersHemoglobin increased, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersAnemia, Any Grade Increase3 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLeukocytosis, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLeukocytosis, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersWhite blood cell decreased, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersWhite blood cell decreased, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersWhite blood cell decreased, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count decreased, Any Grade Increase3 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count decreased, Increase to Grade 32 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count decreased, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count increased, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count increased, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count increased, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersNeutrophils, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersNeutrophils, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersNeutrophils, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersPlatelets, Any Grade Increase3 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersPlatelets, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersPlatelets, Increase to Grade 42 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersPlatelets, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersAnemia, Any Grade Increase3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count decreased, Any Grade Increase4 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersAnemia, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersNeutrophils, Any Grade Increase4 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersAnemia, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count decreased, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersHemoglobin increased, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersPlatelets, Any Grade Increase4 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersHemoglobin increased, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count decreased, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersHemoglobin increased, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersNeutrophils, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLeukocytosis, Any Grade Increase0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count increased, Any Grade Increase1 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLeukocytosis, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersPlatelets, Increase to Grade 41 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLeukocytosis, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count increased, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersWhite blood cell decreased, Any Grade Increase3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersNeutrophils, Increase to Grade 42 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersWhite blood cell decreased, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersLymphocyte count increased, Increase to Grade 40 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change From Baseline in Hematology ParametersWhite blood cell decreased, Increase to Grade 41 Participants
Primary

Part 2: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)

DBP and SBP were measured after resting for at least 5 minutes in a supine or semi-recumbent position. They were graded according to NCI-CTCAE version 4.03. For SBP: Grade (G) 0 (\<120 millimeter of mercury \[mmHg\]), G1 (120-139 mmHg), G2 (140-159 mmHg), G3 (\>=160 mmHg). For DBP: G0 (\<80 mmHg), G1 (80-89 mmHg), G2 (90-99 mmHg), G3 (\>=100 mmHg). Higher grade indicates greater severity. Data for participants with worst-case post baseline with any grade increase and a maximum post-baseline grade increase to G2 and G3 from their baseline grade are presented. Baseline was defined as the latest pre-dose assessment within 21 days prior to first dose with a non-missing value, including those from unscheduled visits.

Time frame: Baseline (Day 1) and up to approximately 212 weeks

Population: All treated population.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)SBP, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)SBP, Increase to Grade 22 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)SBP, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)DBP, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)DBP, Increase to Grade 21 Participants
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)DBP, Increase to Grade 31 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)DBP, Increase to Grade 22 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)SBP, Any Grade Increase2 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)DBP, Any Grade Increase3 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)SBP, Increase to Grade 21 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)DBP, Increase to Grade 30 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Worst-case Grade Change Post-baseline in Vital Sign Parameters: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)SBP, Increase to Grade 31 Participants
Secondary

Part 1: Apparent Terminal Half-life (t1/2) Following Single Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureValue (MEDIAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Apparent Terminal Half-life (t1/2) Following Single Dose Administration of Belantamab Mafodotin (ADC)7.373 Day
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Apparent Terminal Half-life (t1/2) Following Single Dose Administration of Belantamab Mafodotin (ADC)7.779 Day
Secondary

Part 1: Area Under the Concentration-time Curve During the Dosing Interval (AUC (0-tau)) Following Single Dose Administration of Belantamab Mafodotin (Antibody-drug Conjugate (ADC))

Blood samples were collected for pharmacokinetic (PK) analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; End of Infusion (EOI); 1 hour (h), 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic (PK) population included all participants in all treated population from whom at least one PK sample was obtained, analyzed, and was measurable. Only those participants with data available at specified time points have been analyzed.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Area Under the Concentration-time Curve During the Dosing Interval (AUC (0-tau)) Following Single Dose Administration of Belantamab Mafodotin (Antibody-drug Conjugate (ADC))3694.5965 Hour*microgram/millilitre (h*ug/mL)Geometric Coefficient of Variation 26.33
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Area Under the Concentration-time Curve During the Dosing Interval (AUC (0-tau)) Following Single Dose Administration of Belantamab Mafodotin (Antibody-drug Conjugate (ADC))3807.9179 Hour*microgram/millilitre (h*ug/mL)Geometric Coefficient of Variation 41.8
Secondary

Part 1: AUC (0-inf) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: AUC (0-inf) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)6939.1227 h*ug/mLGeometric Coefficient of Variation 31.13
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: AUC (0-inf) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)6789.2291 h*ug/mLGeometric Coefficient of Variation 11.8
Secondary

Part 1: AUC (0-tau) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: AUC (0-tau) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)6358.4427 Hour*microgram/millilitre (h*ug/mL)Geometric Coefficient of Variation 33.08
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: AUC (0-tau) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)7143.7202 Hour*microgram/millilitre (h*ug/mL)Geometric Coefficient of Variation 45.6
Secondary

Part 1: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin Cysteine Maleimidocaproyl Monomethyl Auristatin F (Cys-mcMMAF)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin Cysteine Maleimidocaproyl Monomethyl Auristatin F (Cys-mcMMAF)73.3412 h*ug/mLGeometric Coefficient of Variation 44.73
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin Cysteine Maleimidocaproyl Monomethyl Auristatin F (Cys-mcMMAF)141.9031 h*ug/mLGeometric Coefficient of Variation 77.03
Secondary

Part 1: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)5839.2501 h*ug/mLGeometric Coefficient of Variation 32.96
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)4046.1161 h*ug/mLGeometric Coefficient of Variation 179.35
Secondary

Part 1: AUC Extrapolated to Infinity (AUC (0-inf)) Following Single Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: AUC Extrapolated to Infinity (AUC (0-inf)) Following Single Dose Administration of Belantamab Mafodotin (ADC)4177.9497 h*ug/mLGeometric Coefficient of Variation 28.48
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: AUC Extrapolated to Infinity (AUC (0-inf)) Following Single Dose Administration of Belantamab Mafodotin (ADC)4243.1678 h*ug/mLGeometric Coefficient of Variation 48.78
Secondary

Part 1: AUC From Time Zero to the Time of the Last Quantifiable Concentration (AUC (0 - Tlast)) Following Single Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: AUC From Time Zero to the Time of the Last Quantifiable Concentration (AUC (0 - Tlast)) Following Single Dose Administration of Belantamab Mafodotin (ADC)3606.0173 h*ug/mLGeometric Coefficient of Variation 22.64
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: AUC From Time Zero to the Time of the Last Quantifiable Concentration (AUC (0 - Tlast)) Following Single Dose Administration of Belantamab Mafodotin (ADC)2392.2534 h*ug/mLGeometric Coefficient of Variation 128.99
Secondary

Part 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 1, Cycle 2, Cycle 3, Cycle 6, Cycle 9 and Cycle 12

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 2195.09 ug/mLGeometric Coefficient of Variation 12.59
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 6288.80 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 3270.80 ug/mLGeometric Coefficient of Variation 57.38
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 9222.80 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 1304.99 ug/mLGeometric Coefficient of Variation 61.67
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 12234.90 ug/mL
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 1330.71 ug/mLGeometric Coefficient of Variation 23.09
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 2221.76 ug/mLGeometric Coefficient of Variation 31.09
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 3222.00 ug/mL
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 6205.70 ug/mLGeometric Coefficient of Variation 13.62
Secondary

Part 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 1, Cycle 2, Cycle 3, Cycle 6, Cycle 9 and Cycle 12

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 238.17 ug/mLGeometric Coefficient of Variation 17.01
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 632.00 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 335.56 ug/mLGeometric Coefficient of Variation 18.19
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 940.90 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 132.68 ug/mLGeometric Coefficient of Variation 27.15
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 1236.60 ug/mL
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 145.65 ug/mLGeometric Coefficient of Variation 8.62
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 240.97 ug/mLGeometric Coefficient of Variation 14.9
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 346.10 ug/mL
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 639.14 ug/mLGeometric Coefficient of Variation 19.27
Secondary

Part 1: Clinical Benefit Rate (CBR)

CBR is defined as percentage of participants with a confirmed Minimal response (MR) or better (i.e. MR, PR, VGPR, CR, and sCR) of best response, according to the IMWG Response Criteria. CR = negative immunofixation of serum and urine AND disappearance of any soft tissue plasmacytomas AND \<5% plasmacytomas in the bone marrow; sCR= CR as above PLUS normal serum FLC assay ratio and absence of clonal cells in bone marrow by immunohistochemistry or immunofluorescence; VGPR = serum and urine M-component detectable by immunofixation but not on electrophoresis OR \>= 90% reduction in serum M-component plus urine M-component \<100 mg/24 h; PR = \>=50% reduction of serum M-protein and reduction in 24-h urinary M-protein by \>=90% or to \<200 mg/24 h; MR= \>=25% but \<=49% reduction of serum M-protein and reduction in 24-h urine M-protein by 50-89%. In addition to the above listed criteria, if present at baseline, \>=50% reduction in the size (SPD) 4 of soft tissue plasmacytomas is also required.

Time frame: Up to approximately 141 weeks

Population: All treated population

ArmMeasureValue (NUMBER)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Clinical Benefit Rate (CBR)50 Percentage of Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Clinical Benefit Rate (CBR)75 Percentage of Participants
Secondary

Part 1: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 1, Cycle 2, Cycle 3, Cycle 6, Cycle 9 and Cycle 12

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 238.17 ug/mLGeometric Coefficient of Variation 17.01
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 632.00 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 335.56 ug/mLGeometric Coefficient of Variation 18.19
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 940.90 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 139.51 ug/mLGeometric Coefficient of Variation 17
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 1236.60 ug/mL
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 148.89 ug/mLGeometric Coefficient of Variation 14.07
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 240.97 ug/mLGeometric Coefficient of Variation 14.9
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 346.10 ug/mL
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 639.14 ug/mLGeometric Coefficient of Variation 19.27
Secondary

Part 1: Cmax Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Cmax Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)748.94 ug/mLGeometric Coefficient of Variation 30.49
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Cmax Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)2797.27 ug/mLGeometric Coefficient of Variation 326.5
Secondary

Part 1: Concentration at the End of Infusion (C-EOI) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 1, Cycle 2, Cycle 3, Cycle 6, Cycle 9 and Cycle 12

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Concentration at the End of Infusion (C-EOI) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 323.25 ug/mLGeometric Coefficient of Variation 20.83
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Concentration at the End of Infusion (C-EOI) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 232.52 ug/mLGeometric Coefficient of Variation 14.13
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Concentration at the End of Infusion (C-EOI) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 623.60 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Concentration at the End of Infusion (C-EOI) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 130.28 ug/mLGeometric Coefficient of Variation 24.32
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Concentration at the End of Infusion (C-EOI) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 924.50 ug/mL
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Concentration at the End of Infusion (C-EOI) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 139.42 ug/mLGeometric Coefficient of Variation 14.15
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Concentration at the End of Infusion (C-EOI) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 332.20 ug/mL
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Concentration at the End of Infusion (C-EOI) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 1234.50 ug/mL
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Concentration at the End of Infusion (C-EOI) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 231.44 ug/mLGeometric Coefficient of Variation 58.71
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Concentration at the End of Infusion (C-EOI) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 629.22 ug/mLGeometric Coefficient of Variation 24.69
Secondary

Part 1: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 1, Cycle 2, Cycle 5, Cycle 8 and Cycle 11

Population: Pharmacokinetic population.

ArmMeasureValue (GEOMETRIC_MEAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)NA ug/mL
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)NA ug/mL
Secondary

Part 1: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 1, Cycle 2, Cycle 5, Cycle 8 and Cycle 11

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 14.47 ug/mLGeometric Coefficient of Variation 22.16
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 26.34 ug/mLGeometric Coefficient of Variation 87.45
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 511.40 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 818.10 ug/mL
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 111.37 ug/mL
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 15.19 ug/mLGeometric Coefficient of Variation 104.06
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 54.04 ug/mLGeometric Coefficient of Variation 152.78
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 26.07 ug/mL
Secondary

Part 1: Lambda_z Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Lambda_z Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)0.00319945 1/hGeometric Coefficient of Variation 23.42
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Lambda_z Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)0.00310928 1/hGeometric Coefficient of Variation 31.74
Secondary

Part 1: Maximum Observed Concentration (Cmax) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 1, Cycle 2, Cycle 3, Cycle 6, Cycle 9 and Cycle 12

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Maximum Observed Concentration (Cmax) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 232.52 ug/mLGeometric Coefficient of Variation 14.13
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Maximum Observed Concentration (Cmax) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 623.60 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Maximum Observed Concentration (Cmax) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 323.25 ug/mLGeometric Coefficient of Variation 20.83
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Maximum Observed Concentration (Cmax) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 924.50 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Maximum Observed Concentration (Cmax) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 136.35 ug/mLGeometric Coefficient of Variation 19.12
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Maximum Observed Concentration (Cmax) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 1234.50 ug/mL
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Maximum Observed Concentration (Cmax) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 141.25 ug/mLGeometric Coefficient of Variation 12.8
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Maximum Observed Concentration (Cmax) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 231.44 ug/mLGeometric Coefficient of Variation 58.71
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Maximum Observed Concentration (Cmax) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 332.20 ug/mL
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Maximum Observed Concentration (Cmax) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 629.22 ug/mLGeometric Coefficient of Variation 24.69
Secondary

Part 1: Number of Participants With Anti-drug Antibodies (ADAs) Against Belantamab Mafodotin

Serum samples were collected and tested for the presence of antibodies against belantamab mafodotin.

Time frame: Up to approximately 141 weeks

Population: All treated population

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Number of Participants With Anti-drug Antibodies (ADAs) Against Belantamab Mafodotin0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Number of Participants With Anti-drug Antibodies (ADAs) Against Belantamab Mafodotin0 Participants
Secondary

Part 1: Observed Accumulation Ratio of C-EOI (R(C-EOI)) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. Accumulation ratio for C-EOI was calculated as C-EOI at the visit divided by C-EOI at Cycle 1.

Time frame: Cycle 1, Cycle 2, Cycle 3, Cycle 6, Cycle 9 and Cycle 12

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed. Values were not calculated for some cycles since there were no sufficient data.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Observed Accumulation Ratio of C-EOI (R(C-EOI)) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)0.783 RatioGeometric Coefficient of Variation 16
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Observed Accumulation Ratio of C-EOI (R(C-EOI)) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)0.925 Ratio
Secondary

Part 1: Observed Accumulation Ratio of C-EOI (R(C-EOI)) Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)

Blood samples were collected for PK analysis. Accumulation ratio for C-EOI was calculated as C-EOI at the visit divided by C-EOI at Cycle 1.

Time frame: Cycle 1, Cycle 2, Cycle 3, Cycle 6, Cycle 9 and Cycle 12

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed. Values were not calculated for some cycles since there were no sufficient data.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Observed Accumulation Ratio of C-EOI (R(C-EOI)) Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)0.603 RatioGeometric Coefficient of Variation 117
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Observed Accumulation Ratio of C-EOI (R(C-EOI)) Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)0.869 Ratio
Secondary

Part 1: Observed Accumulation Ratio of C-EOI (R(C-EOI)) Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. Accumulation ratio for C-EOI was calculated as C-EOI at the visit divided by C-EOI at Cycle 1.

Time frame: Cycle 1, Cycle 2, Cycle 3, Cycle 6, Cycle 9 and Cycle 12

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed. Values were not calculated for some cycles since there were no sufficient data.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Observed Accumulation Ratio of C-EOI (R(C-EOI)) Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)1.139 RatioGeometric Coefficient of Variation 26
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Observed Accumulation Ratio of C-EOI (R(C-EOI)) Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)1.075 Ratio
Secondary

Part 1: Observed Accumulation Ratio of Ctrough (R(Ctrough)) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. Accumulation ratio for Ctrough was calculated as Ctrough at the visit divided by pre-dose at Cycle 2 Day 1.

Time frame: Cycle 1, Cycle 2, Cycle 5, Cycle 8 and Cycle 11

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed. Values were not calculated for some cycles since there were no sufficient data.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Observed Accumulation Ratio of Ctrough (R(Ctrough)) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)1.561 RatioGeometric Coefficient of Variation 30
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Observed Accumulation Ratio of Ctrough (R(Ctrough)) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)1.909 Ratio
Secondary

Part 1: Observed Accumulation Ratio of Ctrough (R(Ctrough)) Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. Accumulation ratio for Ctrough was calculated as Ctrough at the visit divided by pre-dose at Cycle 2 Day 1.

Time frame: Cycle 1, Cycle 2, Cycle 5, Cycle 8 and Cycle 11

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed. Values were not calculated for some cycles since there were no sufficient data.

ArmMeasureValue (GEOMETRIC_MEAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Observed Accumulation Ratio of Ctrough (R(Ctrough)) Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)2.069 Ratio
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Observed Accumulation Ratio of Ctrough (R(Ctrough)) Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)1.775 Ratio
Secondary

Part 1 - Percentage of Participants With Overall Response Rate (ORR)

ORR is defined as the percentage of participants with a confirmed partial response (PR) or better (i.e. PR, very good partial response \[VGPR\], complete response \[CR\], and stringent complete response \[sCR\]) of best response, according to the International Myeloma Working Group (IMWG) Response Criteria. CR = negative immunofixation of serum and urine AND disappearance of any soft tissue plasmacytomas AND \<5% plasmacytomas in the bone marrow; sCR= CR as above PLUS normal serum free light-chain (FLC) assay ratio and absence of clonal cells in bone marrow by immunohistochemistry or immunofluorescence; VGPR = serum and urine M-component detectable by immunofixation but not on electrophoresis OR \>= 90% reduction in serum M-component plus urine M-component \<100 mg/24 hour (h); PR = \>=50% reduction of serum M-protein and reduction in 24-hour urinary M-protein by \>=90% or to \<200 mg/24 h.

Time frame: Up to approximately 141 weeks

Population: All treated population

ArmMeasureValue (NUMBER)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1 - Percentage of Participants With Overall Response Rate (ORR)50 Percentage of Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1 - Percentage of Participants With Overall Response Rate (ORR)25 Percentage of Participants
Secondary

Part 1: Systemic Clearance (CL) Following Single Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Systemic Clearance (CL) Following Single Dose Administration of Belantamab Mafodotin (ADC)35.026301 milliliter per hour (mL/h)Geometric Coefficient of Variation 37.38
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Systemic Clearance (CL) Following Single Dose Administration of Belantamab Mafodotin (ADC)45.340473 milliliter per hour (mL/h)Geometric Coefficient of Variation 37.25
Secondary

Part 1: Systemic Clearance (CL) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Systemic Clearance (CL) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)22.017014 mL/hGeometric Coefficient of Variation 34.8
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Systemic Clearance (CL) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)25.916718 mL/hGeometric Coefficient of Variation 25.61
Secondary

Part 1: t1/2 Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureValue (MEDIAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: t1/2 Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)10.046 Day
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: t1/2 Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)9.512 Day
Secondary

Part 1: Terminal Phase Rate Constant (Lambda_z) Following Single Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Terminal Phase Rate Constant (Lambda_z) Following Single Dose Administration of Belantamab Mafodotin (ADC)0.00385688 1/hour (h)Geometric Coefficient of Variation 8.96
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Terminal Phase Rate Constant (Lambda_z) Following Single Dose Administration of Belantamab Mafodotin (ADC)0.00394671 1/hour (h)Geometric Coefficient of Variation 27.64
Secondary

Part 1: Time of Last Observed Quantifiable Concentration (Tlast) Following Single Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population.

ArmMeasureValue (MEDIAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Time of Last Observed Quantifiable Concentration (Tlast) Following Single Dose Administration of Belantamab Mafodotin (ADC)21.578 Day
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Time of Last Observed Quantifiable Concentration (Tlast) Following Single Dose Administration of Belantamab Mafodotin (ADC)21.079 Day
Secondary

Part 1: Time to Maximum Plasma Concentration (Tmax) Following Single Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population.

ArmMeasureValue (MEDIAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Time to Maximum Plasma Concentration (Tmax) Following Single Dose Administration of Belantamab Mafodotin (ADC)2.600 hour (h)
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Time to Maximum Plasma Concentration (Tmax) Following Single Dose Administration of Belantamab Mafodotin (ADC)1.635 hour (h)
Secondary

Part 1: Titers of ADAs Against Belantamab Mafodotin

Serum samples collected for the analysis of the presence of ADAs using validated immunoassays. All samples were to be further tested in screening assay, and positive samples were further to be characterized for antibody titers.

Time frame: Up to approximately 141 weeks

Population: All Treated Population. There were no participants with positive ADA results. Hence the titer (concentration) of ADA was not collected.

Secondary

Part 1: Tlast Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population.

ArmMeasureValue (MEDIAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Tlast Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)6.940 day
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Tlast Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)6.930 day
Secondary

Part 1: Tlast Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population.

ArmMeasureValue (MEDIAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Tlast Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)18.627 day
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Tlast Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)21.079 day
Secondary

Part 1: Tmax Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population.

ArmMeasureValue (MEDIAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Tmax Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)16.380 hour (h)
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Tmax Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)16.240 hour (h)
Secondary

Part 1: Tmax Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population.

ArmMeasureValue (MEDIAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Tmax Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)2.695 hour (h)
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Tmax Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)1.675 hour (h)
Secondary

Part 1: Trough Plasma Concentration (Ctrough) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 1, Cycle 2, Cycle 5, Cycle 8 and Cycle 11

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Trough Plasma Concentration (Ctrough) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 53.17 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Trough Plasma Concentration (Ctrough) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 22.41 ug/mLGeometric Coefficient of Variation 75.3
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Trough Plasma Concentration (Ctrough) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 83.60 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Trough Plasma Concentration (Ctrough) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 11.45 ug/mLGeometric Coefficient of Variation 29.42
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Trough Plasma Concentration (Ctrough) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 21.76 ug/mL
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Trough Plasma Concentration (Ctrough) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 11.39 ug/mLGeometric Coefficient of Variation 109.19
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Trough Plasma Concentration (Ctrough) Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 52.20 ug/mL
Secondary

Part 1: Volume of Distribution at Steady State (Vss) Following Single Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Volume of Distribution at Steady State (Vss) Following Single Dose Administration of Belantamab Mafodotin (ADC)7.475899 Liter (L)Geometric Coefficient of Variation 29.1
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Volume of Distribution at Steady State (Vss) Following Single Dose Administration of Belantamab Mafodotin (ADC)8.216505 Liter (L)Geometric Coefficient of Variation 36.05
Secondary

Part 1: Vss Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-Dose; EOI; 1 h, 3 h, 8 h and 24 h post-EOI, Day 8, Day 15 in Cycle 1; Pre-Dose on Cycle 2 Day 1

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 1: Vss Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)6.390107 Liter (L)Geometric Coefficient of Variation 18.84
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 1: Vss Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)6.718238 Liter (L)Geometric Coefficient of Variation 59.09
Secondary

Part 2 Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 1, Cycle 4, Cycle 6, Cycle 9, Cycle 10, Cycle 11 and Cycle 12

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 146.34 ug/mLGeometric Coefficient of Variation 27.07
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 434.80 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 647.20 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 935.90 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 1048.20 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 1125.60 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 1237.60 ug/mL
Secondary

Part 2 Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 1, Cycle 4, Cycle 6, Cycle 9, Cycle 10, Cycle 11 and Cycle 12

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 1319.85 pg/mLGeometric Coefficient of Variation 29.78
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 4399.10 pg/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 6207.50 pg/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 988.60 pg/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 10179.00 pg/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 11232.00 pg/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 12336.00 pg/mL
Secondary

Part 2: Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 1, Cycle 4, Cycle 6, Cycle 9, Cycle 10, Cycle 11 and Cycle 12

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 943.60 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 1055.70 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 1130.40 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 140.80 ug/mLGeometric Coefficient of Variation 10.98
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 440.80 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 638.20 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm A: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 1235.20 ug/mL
Secondary

Part 2 Arm A: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 3, Cycle 5, Cycle 8, Cycle 9, Cycle 10 and Cycle 11

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed. Ctrough values were not determined for cycles where the concentration values were below the Lower Limit of Quantification (LLOQ).

ArmMeasureGroupValue (GEOMETRIC_MEAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm A: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 30.56 ug/mL
Secondary

Part 2: Arm A: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 3, Cycle 5, Cycle 8, Cycle 9, Cycle 10 and Cycle 11

Population: Pharmacokinetic population. Due to shorter half-life of cys-mcMMAF, the concentration values were below the Lower Limit of Quantification (LLOQ). Hence, Ctrough values were not determined.

ArmMeasureGroupValue (GEOMETRIC_MEAN)
UnknownPart 2: Arm A: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Cycle 11 pg/mL
UnknownPart 2: Arm A: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Cycle 3 pg/mL
UnknownPart 2: Arm A: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Cycle 5 pg/mL
UnknownPart 2: Arm A: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Cycle 8 pg/mL
UnknownPart 2: Arm A: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Cycle 9 pg/mL
UnknownPart 2: Arm A: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)Cycle 10 pg/mL
Secondary

Part 2: Arm A: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 3, Cycle 5, Cycle 8, Cycle 9, Cycle 10 and Cycle 11

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (GEOMETRIC_MEAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm A: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 32.11 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm A: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 50.84 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm A: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 81.77 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm A: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 101.41 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm A: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 110.74 ug/mL
Secondary

Part 2 Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 1, Cycle 2, Cycle 4, Cycle 10, Cycle 11 and Cycle 24

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 1052.10 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 152.96 ug/mLGeometric Coefficient of Variation 21.31
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 234.30 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 453.90 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 1145.70 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 2432.00 ug/mL
Secondary

Part 2: Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 1, Cycle 2, Cycle 4, Cycle 10, Cycle 11 and Cycle 24

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 1390.28 pg/mLGeometric Coefficient of Variation 46.28
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 2428.60 pg/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 4499.80 pg/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 10198.00 pg/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 11269.00 pg/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)CYCLE 24346.00 pg/mL
Secondary

Part 2: Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 1, Cycle 2, Cycle 4, Cycle 10, Cycle 11 and Cycle 24

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 155.85 ug/mLGeometric Coefficient of Variation 12.63
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 242.40 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 446.30 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 1054.00 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 1171.40 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm B: C-EOI Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 2434.30 ug/mL
Secondary

Part 2 Arm B: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 1, Cycle 3, Cycle 9, Cycle 10 and Cycle 23

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed. Ctrough values were not determined for cycles where the concentration values were below the Lower Limit of Quantification (LLOQ).

ArmMeasureGroupValue (GEOMETRIC_MEAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 Arm B: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (ADC)CYCLE 11.05 ug/mL
Secondary

Part 2: Arm B: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 1, Cycle 3, Cycle 9, Cycle 10 and Cycle 23

Population: Pharmacokinetic population

ArmMeasureValue (GEOMETRIC_MEAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm B: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)NA pg/mL
Secondary

Part 2: Arm B: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Cycle 1, Cycle 3, Cycle 9, Cycle 10 and Cycle 23

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureGroupValue (GEOMETRIC_MEAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm B: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 14.14 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm B: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 93.09 ug/mL
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Arm B: Ctrough Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)CYCLE 230.82 ug/mL
Secondary

Part 2: AUC (0-inf) Following Single Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: AUC (0-inf) Following Single Dose Administration of Belantamab Mafodotin (ADC)6201.7657 h*ug/mLGeometric Coefficient of Variation 18.62
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: AUC (0-inf) Following Single Dose Administration of Belantamab Mafodotin (ADC)6178.4350 h*ug/mLGeometric Coefficient of Variation 30.75
Secondary

Part 2: AUC (0-inf) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed. AUC(0-inf) were not calculated for some participants since there were no sufficient data.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: AUC (0-inf) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)9921.8634 h*ug/mLGeometric Coefficient of Variation 11.55
Secondary

Part 2: AUC (0-tau) Following Single Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: AUC (0-tau) Following Single Dose Administration of Belantamab Mafodotin (ADC)5077.3323 h*ug/mLGeometric Coefficient of Variation 13.1
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: AUC (0-tau) Following Single Dose Administration of Belantamab Mafodotin (ADC)5489.6508 h*ug/mLGeometric Coefficient of Variation 25.39
Secondary

Part 2: AUC (0-tau) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: AUC (0-tau) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)9213.7145 h*ug/mLGeometric Coefficient of Variation 6.5
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: AUC (0-tau) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)9590.8606 h*ug/mLGeometric Coefficient of Variation 23.71
Secondary

Part 2: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin (ADC)5160.2733 h*ug/mLGeometric Coefficient of Variation 10.83
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin (ADC)5166.5353 h*ug/mLGeometric Coefficient of Variation 31.9
Secondary

Part 2: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)80.0859 h*nanogram (ng)/mLGeometric Coefficient of Variation 22.53
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)82.6253 h*nanogram (ng)/mLGeometric Coefficient of Variation 42.28
Secondary

Part 2: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)9471.9799 h*ug/mLGeometric Coefficient of Variation 1.97
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: AUC (0 - Tlast) Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)8495.7663 h*ug/mLGeometric Coefficient of Variation 36.72
Secondary

Part 2: CL Following Single Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: CL Following Single Dose Administration of Belantamab Mafodotin (ADC)24.684617 mL/hGeometric Coefficient of Variation 4.44
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: CL Following Single Dose Administration of Belantamab Mafodotin (ADC)20.900323 mL/hGeometric Coefficient of Variation 7.2
Secondary

Part 2: Clinical Benefit Rate (CBR)

CBR is defined as percentage of participants with a confirmed Minimal response (MR) or better (i.e. MR, PR, VGPR, CR, and sCR) of best response, according to the IMWG Response Criteria. CR = negative immunofixation of serum and urine AND disappearance of any soft tissue plasmacytomas AND \<5% plasmacytomas in the bone marrow; sCR= CR as above PLUS normal serum FLC assay ratio and absence of clonal cells in bone marrow by immunohistochemistry or immunofluorescence; VGPR = serum and urine M-component detectable by immunofixation but not on electrophoresis OR \>= 90% reduction in serum M-component plus urine M-component \<100 mg/24 h; PR = \>=50% reduction of serum M-protein and reduction in 24-h urinary M-protein by \>=90% or to \<200 mg/24 h; MR= \>=25% but \<=49% reduction of serum M-protein and reduction in 24-h urine M-protein by 50-89%. In addition to the above listed criteria, if present at baseline, \>=50% reduction in the size (SPD) 4 of soft tissue plasmacytomas is also required.

Time frame: Up to approximately 212 weeks

Population: All treated population

ArmMeasureValue (NUMBER)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Clinical Benefit Rate (CBR)100 Percentage of Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Clinical Benefit Rate (CBR)50 Percentage of Participants
Secondary

Part 2: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (ADC)47.62 ug/mLGeometric Coefficient of Variation 25.07
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (ADC)61.70 ug/mLGeometric Coefficient of Variation 26.51
Secondary

Part 2: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)857.63 picogram (pg)/mLGeometric Coefficient of Variation 32.99
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)905.42 picogram (pg)/mLGeometric Coefficient of Variation 28.37
Secondary

Part 2: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)43.51 ug/mLGeometric Coefficient of Variation 15.05
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Cmax Following Repeat Dose Administration of Belantamab Mafodotin (Total Antibody)52.33 ug/mLGeometric Coefficient of Variation 22.64
Secondary

Part 2: Lambda_z Following Single Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Lambda_z Following Single Dose Administration of Belantamab Mafodotin (ADC)0.00302685 1/hGeometric Coefficient of Variation 15.54
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Lambda_z Following Single Dose Administration of Belantamab Mafodotin (ADC)0.00470710 1/hGeometric Coefficient of Variation 59.7
Secondary

Part 2: Lambda_z Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Lambda_z Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)0.00159877 1/hGeometric Coefficient of Variation 22.83
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Lambda_z Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)0.00305831 1/hGeometric Coefficient of Variation 45.34
Secondary

Part 2: Number of Participants With Anti-drug Antibodies (ADAs) Against Belantamab Mafodotin

Serum samples were collected and tested for the presence of antibodies against belantamab mafodotin.

Time frame: Up to approximately 212 weeks

Population: All treated population

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Number of Participants With Anti-drug Antibodies (ADAs) Against Belantamab Mafodotin0 Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Number of Participants With Anti-drug Antibodies (ADAs) Against Belantamab Mafodotin0 Participants
Secondary

Part 2 - Percentage of Participants With ORR

ORR is defined as the percentage of participants with a confirmed PR or better (i.e. PR, VGPR, CR, and sCR) of best response, according to the IMWG Response Criteria. CR = negative immunofixation of serum and urine AND disappearance of any soft tissue plasmacytomas AND \<5% plasmacytomas in the bone marrow; sCR= CR as above PLUS normal serum FLC assay ratio and absence of clonal cells in bone marrow by immunohistochemistry or immunofluorescence; VGPR = serum and urine M-component detectable by immunofixation but not on electrophoresis OR \>= 90% reduction in serum M-component plus urine M-component \<100 mg/24 h; PR = \>=50% reduction of serum M-protein and reduction in 24-h urinary M-protein by \>=90% or to \<200 mg/24 h.

Time frame: Up to approximately 212 weeks

Population: All treated population

ArmMeasureValue (NUMBER)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2 - Percentage of Participants With ORR100 Percentage of Participants
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2 - Percentage of Participants With ORR50 Percentage of Participants
Secondary

Part 2: t1/2 Following Single Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population.

ArmMeasureValue (MEDIAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: t1/2 Following Single Dose Administration of Belantamab Mafodotin (ADC)8.825 Day
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: t1/2 Following Single Dose Administration of Belantamab Mafodotin (ADC)6.195 Day
Secondary

Part 2: t1/2 Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population.

ArmMeasureValue (MEDIAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: t1/2 Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)16.172 Day
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: t1/2 Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)10.392 Day
Secondary

Part 2: Titers of ADAs Against Belantamab Mafodotin

Serum samples collected for the analysis of the presence of ADAs using validated immunoassays. All samples were to be further tested in screening assay, and positive samples were further to be characterized for antibody titers.

Time frame: Up to approximately 212 weeks

Population: All Treated Population. There were no participants with positive ADA results. Hence the titer (concentration) of ADA was not collected.

Secondary

Part 2: Tlast Following Single Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population.

ArmMeasureValue (MEDIAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Tlast Following Single Dose Administration of Belantamab Mafodotin (ADC)21.080 Day
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Tlast Following Single Dose Administration of Belantamab Mafodotin (ADC)27.958 Day
Secondary

Part 2: Tlast Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population.

ArmMeasureValue (MEDIAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Tlast Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)6.942 Day
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Tlast Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)6.865 Day
Secondary

Part 2: Tlast Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population.

ArmMeasureValue (MEDIAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Tlast Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)21.080 Day
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Tlast Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)27.958 Day
Secondary

Part 2: Tmax Following Single Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population.

ArmMeasureValue (MEDIAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Tmax Following Single Dose Administration of Belantamab Mafodotin (ADC)0.780 hour (h)
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Tmax Following Single Dose Administration of Belantamab Mafodotin (ADC)1.865 hour (h)
Secondary

Part 2: Tmax Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population.

ArmMeasureValue (MEDIAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Tmax Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)22.370 h
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Tmax Following Single Dose Administration of Belantamab Mafodotin (Cys-mcMMAF)22.950 h
Secondary

Part 2: Tmax Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population.

ArmMeasureValue (MEDIAN)
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Tmax Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)1.850 hour (h)
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Tmax Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)1.900 hour (h)
Secondary

Part 2: Vss Following Single Dose Administration of Belantamab Mafodotin (ADC)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 2.5 Milligram/ Kilogram (mg/kg)Part 2: Vss Following Single Dose Administration of Belantamab Mafodotin (ADC)6.801065 Liter (L)Geometric Coefficient of Variation 4.67
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Vss Following Single Dose Administration of Belantamab Mafodotin (ADC)4.537404 Liter (L)Geometric Coefficient of Variation 22.01
Secondary

Part 2: Vss Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods.

Time frame: Pre-dose, EOI, 2h and 24h post- Start of Infusion (SOI), Day 4, Day 8-15 in Cycle 1; Pre-Dose on Cycle 2 Day 1 (If Cycle 2 belantamab mafodotin dose was delayed, 1 PK sample was taken at 21 days post-SOI in Arm A or 28 days post-SOI in Arm B)

Population: Pharmacokinetic population. Only those participants with data available at specified time points have been analyzed. Vss was not calculated for some participants as sufficient data was not available.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Main Study - Part 1: Belantamab Mafodotin 3.4 mg/kgPart 2: Vss Following Single Dose Administration of Belantamab Mafodotin (Total Antibody)4.367635 Liter (L)Geometric Coefficient of Variation 9.29

Source: ClinicalTrials.gov · Data processed: Feb 5, 2026