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Glembatumumab Vedotin in Treating Patients With Recurrent or Refractory Osteosarcoma

A Phase 2 Study of GPNMB-Targeted Antibody-Drug Conjugate, CDX-011 (Glembatumumab Vedotin, CR011-vcMMAE; NSC# 763737), in Recurrent or Refractory Osteosarcoma

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02487979
Enrollment
22
Registered
2015-07-02
Start date
2016-02-16
Completion date
2021-12-31
Last updated
2022-01-18

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

Conditions

Recurrent Osteosarcoma

Brief summary

This phase II trial studies how well glembatumumab vedotin works in treating patients with osteosarcoma that has come back (recurrent) or does not respond to treatment (refractory). Monoclonal antibodies, such as glembatumumab vedotin, may find tumor cells and help kill them.

Detailed description

PRIMARY OBJECTIVES: I. To estimate whether CDX-011 (glembatumumab vedotin) therapy either increases the disease control rate at 4 months in patients with recurrent measurable osteosarcoma as compared to an historical Children's Oncology Group (COG) experience or produces an objective response rate in patients without previous eribulin (eribulin mesylate) treatment. SECONDARY OBJECTIVES: I. To assess the feasibility and toxicity profile of CDX-011 in patients with recurrent osteosarcoma. II. To describe the pharmacokinetics of CDX-011 in adolescents and young adults with recurrent osteosarcoma enrolled at COG sites and COG phase I consortium sites only. III. To determine if there is a relationship between tumor GPNMB expression by immunohistochemistry (IHC) and response to CDX-011 therapy. IV. To estimate, in the cohort of patients previously treated with eribulin, the proportion who will experience disease progression during the first 4 months of CDX-011 therapy and the proportion of patients who experience a Response Evaluation Criteria in Solid Tumors (RECIST)-defined complete or partial response. OUTLINE: Patients receive glembatumumab vedotin intravenously (IV) over 90 minutes on day 1. Treatment repeats every 21 days for up to 18 courses in the absence of disease progression or unacceptable toxicity. After completion of study treatment, patients are followed up periodically.

Interventions

OTHERLaboratory Biomarker Analysis

Correlative studies

OTHERPharmacological Study

Correlative studies

Sponsors

National Cancer Institute (NCI)
Lead SponsorNIH

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
12 Years to 49 Years
Healthy volunteers
No

Inclusion criteria

* Patients must have had histologic verification of osteosarcoma at original diagnosis or relapse * Patients must have measurable disease according to RECIST 1.1, and have relapsed or become refractory to conventional therapy * Patient must have archival tumor specimen available for submission * Patients must have a performance status corresponding to Eastern Cooperative Oncology Group (ECOG) scores of 0, 1 or 2; use Karnofsky for patients \> 16 years of age and Lansky for patients =\< 16 years of age * Patients must have fully recovered from the acute toxic effects of all prior chemotherapy, immunotherapy, or radiotherapy prior to entering this study * Myelosuppressive chemotherapy: must not have received within 2 weeks of entry onto this study (4 weeks if prior nitrosourea) * Biologic (anti-neoplastic agent): at least 7 days since the completion of therapy with a biologic agent * Radiation therapy (RT): \>= 2 weeks for local palliative RT (small port); \>= 6 months must have elapsed if prior craniospinal RT or if \>= 50% radiation of pelvis; \>= 6 weeks must have elapsed if other substantial bone marrow (BM) radiation * Monoclonal antibodies: must not have received any monoclonal based therapies within 4 weeks, and all other immunotherapy (tumor vaccine, cytokine, or growth factor given to control the cancer) within 2 weeks, prior to study enrollment * Peripheral absolute neutrophil count (ANC) \>= 1000/uL * Platelet count \>= 75,000/uL (transfusion independent) * Hemoglobin \>= 8.0 g/dL (may receive red blood cell \[RBC\] transfusions) * Creatinine clearance or radioisotope glomerular filtration rate (GFR) \>= 70 mL/min/1.73 m\^2 or a serum creatinine based on age/gender as follows: * Age 1 to \< 2 years (male and female: 0.6 mg/dL) * Age 2 to \< 6 years (male and female: 0.8 mg/dL) * Age 6 to \< 10 years (male and female: 1 mg/dL) * Age 10 to \< 13 years (male and female: 1.2 mg/dL) * Age 13 to \< 16 years (male: 1.5 mg/dL and female: 1.4 mg/dL) * Age \>= 16 (male: 1.7 mg/dL and female: 1.4 mg/dL) * Total bilirubin =\< 1.5 x upper limit of normal (ULN) for age * Serum glutamic oxaloacetic transaminase (SGOT) (aspartate aminotransferase \[AST\]) or serum glutamate pyruvate transaminase (SGPT) (alanine aminotransferase \[ALT\]) \< 110 U/L; for the purposes of this study the ULN for SGPT is defined as 45 U/L * Serum albumin \> 2 g/dL * Shortening fraction of \>= 27% by echocardiogram, or * Ejection fraction of \>= 50% by radionuclide angiogram * All patients and/or their parents or legal guardians must sign a written informed consent * All institutional, Food and Drug Administration (FDA), and National Cancer Institute (NCI) requirements for human studies must be met

Exclusion criteria

* Patients with \> grade 2 neuropathy according to the Modified (Balis) Pediatric Scale of Peripheral Neuropathies will be excluded except in cases in which neuropathy is secondary to prior surgery * Patients who have previously received CDX-011 (CR011-vc monomethyl auristatin E \[MMAE\]; CDX-011) or other MMAE-containing agents * Patients who have received other investigational drugs within 2 weeks or 5 half-lives (whichever is longer) prior to study enrollment * Patients with a history of allergic reactions attributed to compounds of similar composition to dolastatin or auristatin; compounds of similar composition include auristatin PHE as an anti-fungal agent, auristatin PE (TZT-1027, Soblidotin, NSC-654663) as an anti-tumor agent and symplostatin 1 as an anti-tumor agent * Patients with known central nervous system metastasis are not eligible * Patients who have had major surgery within 2 weeks prior to enrollment are not eligible; procedures such as placement of a central vascular catheter, or limited tumor biopsy, are not considered major surgery * Female patients who are pregnant are ineligible * Lactating females are not eligible unless they have agreed not to breastfeed their infants * Female patients of childbearing potential are not eligible unless a negative pregnancy test result has been obtained * Sexually active patients of reproductive potential are not eligible unless they have agreed to use an effective contraceptive method for the duration of their study participation and for 2 months after the end of study treatment

Design outcomes

Primary

MeasureTime frameDescription
Disease Control SuccessFirst six cycles (21-day cycle) of protocol therapyThe number of patients who do not experience disease progression or death in the six cycles following enrollment on AOST1521

Secondary

MeasureTime frameDescription
Pharmacokinetics of Glembatumumab Vedotin: Total Antibody and Antibody-drug Conjugate Half-lifeBaseline to 24 hours post infusion on course 1Total antibody and antibody-drug conjugate half-life are estimated from the sampling time points: Before first dose (Baseline), end of infusion, at 1, 2, 4, and 24 hours post infusion
Pharmacokinetics of Glembatumumab Vedotin: Total Antibody and Antibody-drug Conjugate ClearanceBaseline to 24 hours post infusion on course 1Total antibody and antibody-drug conjugate clearance are estimated from the sampling time points: Before first dose (Baseline), end of infusion, at 1, 2, 4, and 24 hours post infusion
Toxicity Associated With ChemotherapyDuration of protocol therapy - Up to two yearsThe number of cycles aggregated across all patients where CTC Version 4 grade 3 or higher.
Number of Participants With Glycoprotein NMB (GPNMB) Expression Stratified by Immunohistochemistry (IHC) Staining StrengthPrior to the time of enrollmentGPNMB expression by IHC of 0+ to 3+ staining strength as assessed on archived tumor specimens. 0 being no GPNMB expression and 3 indicating strong GPNMB expression.
RECIST ResponseFirst six cycles (21-day cycle) of protocol therapyThe number of patients who experience a complete or partial response according the RECIST criteria for target lesions complete response (CR) disappearance of all lesions; partial response (PR ) \>= 30% decrease in the sum of the longest diameter of target lesions; Overall Response (OR) = CR+PR.
Pharmacokinetics of Glembatumumab Vedotin: Total Antibody and Antibody-drug Conjugate Areas Under the CurveBaseline to 24 hours post infusion on course 1Total antibody and antibody-drug conjugate areas under the curve are estimated from the sampling time points: Before first dose (Baseline), end of infusion, at 1, 2, 4, and 24 hours post infusion

Countries

Canada, Puerto Rico, United States

Participant flow

Participants by arm

ArmCount
Treatment (Glembatumumab Vedotin)
Patients receive glembatumumab vedotin IV over 90 minutes on day 1. Treatment repeats every 21 days for up to 18 courses in the absence of disease progression or unacceptable toxicity. Glembatumumab Vedotin: Given IV Laboratory Biomarker Analysis: Correlative studies Pharmacological Study: Correlative studies
22
Total22

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyPhysician Decision2
Overall StudyProgressive Disease17
Overall StudyWithdrawal by Subject2

Baseline characteristics

CharacteristicTreatment (Glembatumumab Vedotin)
Age, Continuous20.09 years
STANDARD_DEVIATION 5.3
Ethnicity (NIH/OMB)
Hispanic or Latino
3 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
19 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
0 Participants
Race (NIH/OMB)
Black or African American
2 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
White
20 Participants
Region of Enrollment
Canada
1 participants
Region of Enrollment
United States
21 participants
Sex: Female, Male
Female
7 Participants
Sex: Female, Male
Male
15 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
14 / 22
other
Total, other adverse events
7 / 22
serious
Total, serious adverse events
8 / 22

Outcome results

Primary

Disease Control Success

The number of patients who do not experience disease progression or death in the six cycles following enrollment on AOST1521

Time frame: First six cycles (21-day cycle) of protocol therapy

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Treatment (Glembatumumab Vedotin)Disease Control Success3 Participants
Secondary

Number of Participants With Glycoprotein NMB (GPNMB) Expression Stratified by Immunohistochemistry (IHC) Staining Strength

GPNMB expression by IHC of 0+ to 3+ staining strength as assessed on archived tumor specimens. 0 being no GPNMB expression and 3 indicating strong GPNMB expression.

Time frame: Prior to the time of enrollment

Population: Analysis was successfully completed for 19 patients

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Treatment (Glembatumumab Vedotin)Number of Participants With Glycoprotein NMB (GPNMB) Expression Stratified by Immunohistochemistry (IHC) Staining Strength0+ staining strength1 Participants
Treatment (Glembatumumab Vedotin)Number of Participants With Glycoprotein NMB (GPNMB) Expression Stratified by Immunohistochemistry (IHC) Staining Strength1+ staining strength3 Participants
Treatment (Glembatumumab Vedotin)Number of Participants With Glycoprotein NMB (GPNMB) Expression Stratified by Immunohistochemistry (IHC) Staining Strength2+ staining strength2 Participants
Treatment (Glembatumumab Vedotin)Number of Participants With Glycoprotein NMB (GPNMB) Expression Stratified by Immunohistochemistry (IHC) Staining Strength3+ staining strength13 Participants
Secondary

Pharmacokinetics of Glembatumumab Vedotin: Total Antibody and Antibody-drug Conjugate Areas Under the Curve

Total antibody and antibody-drug conjugate areas under the curve are estimated from the sampling time points: Before first dose (Baseline), end of infusion, at 1, 2, 4, and 24 hours post infusion

Time frame: Baseline to 24 hours post infusion on course 1

Population: Samples were provided for four patients

ArmMeasureGroupValue (MEAN)Dispersion
Treatment (Glembatumumab Vedotin)Pharmacokinetics of Glembatumumab Vedotin: Total Antibody and Antibody-drug Conjugate Areas Under the CurveTotal antibody area under the curve2320.0 hour-microgram per millilitreStandard Deviation 342
Treatment (Glembatumumab Vedotin)Pharmacokinetics of Glembatumumab Vedotin: Total Antibody and Antibody-drug Conjugate Areas Under the CurveAntibody-Drug Conjugate area under the curve2259.5 hour-microgram per millilitreStandard Deviation 749.6
Secondary

Pharmacokinetics of Glembatumumab Vedotin: Total Antibody and Antibody-drug Conjugate Clearance

Total antibody and antibody-drug conjugate clearance are estimated from the sampling time points: Before first dose (Baseline), end of infusion, at 1, 2, 4, and 24 hours post infusion

Time frame: Baseline to 24 hours post infusion on course 1

Population: Samples were provided for four patients

ArmMeasureGroupValue (MEAN)Dispersion
Treatment (Glembatumumab Vedotin)Pharmacokinetics of Glembatumumab Vedotin: Total Antibody and Antibody-drug Conjugate ClearanceTotal antibody clearance0.8 millilitres per hour per kilogramStandard Deviation 0.1
Treatment (Glembatumumab Vedotin)Pharmacokinetics of Glembatumumab Vedotin: Total Antibody and Antibody-drug Conjugate ClearanceAntibody-Drug Conjugate clearance0.9 millilitres per hour per kilogramStandard Deviation 0.3
Secondary

Pharmacokinetics of Glembatumumab Vedotin: Total Antibody and Antibody-drug Conjugate Half-life

Total antibody and antibody-drug conjugate half-life are estimated from the sampling time points: Before first dose (Baseline), end of infusion, at 1, 2, 4, and 24 hours post infusion

Time frame: Baseline to 24 hours post infusion on course 1

Population: Samples were provided for four patients

ArmMeasureGroupValue (MEAN)Dispersion
Treatment (Glembatumumab Vedotin)Pharmacokinetics of Glembatumumab Vedotin: Total Antibody and Antibody-drug Conjugate Half-lifeTotal antibody half-life35.2 hoursStandard Deviation 6.4
Treatment (Glembatumumab Vedotin)Pharmacokinetics of Glembatumumab Vedotin: Total Antibody and Antibody-drug Conjugate Half-lifeAntibody-Drug Conjugate half-life29.1 hoursStandard Deviation 8.4
Secondary

RECIST Response

The number of patients who experience a complete or partial response according the RECIST criteria for target lesions complete response (CR) disappearance of all lesions; partial response (PR ) \>= 30% decrease in the sum of the longest diameter of target lesions; Overall Response (OR) = CR+PR.

Time frame: First six cycles (21-day cycle) of protocol therapy

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Treatment (Glembatumumab Vedotin)RECIST Response1 Participants
Secondary

Toxicity Associated With Chemotherapy

The number of cycles aggregated across all patients where CTC Version 4 grade 3 or higher.

Time frame: Duration of protocol therapy - Up to two years

Population: 22 patients were treated on protocol therapy. Sixty-one (61) cycles were reported for the analysis of toxicity.

ArmMeasureGroupValue (NUMBER)
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Abdominal Pain2 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of acneiform rash1 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Anaphylaxis1 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Anemia2 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Anorexia1 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Back Pain2 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Constipation1 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Febrile Neutropenia1 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Headache1 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Hypertension1 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Hypocalcemia1 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Hypokalemia4 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Hypophosphatemia2 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Hypotension1 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Lymphopenia1 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Mucocitis2 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Myalgia1 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Nausea1 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Neutropenia2 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Pain2 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Pneumothorax1 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Thrombocytopenia1 cycles
Treatment (Glembatumumab Vedotin)Toxicity Associated With ChemotherapyIncidence of Leukopenia1 cycles

Source: ClinicalTrials.gov · Data processed: Feb 20, 2026