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Trametinib and Akt Inhibitor GSK2141795 in Treating Patients With Relapsed or Refractory Multiple Myeloma

A Phase 2 Study of Sequential Trametinib and GSK2141795 in Relapsed or Refractory Multiple Myeloma

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01989598
Enrollment
25
Registered
2013-11-21
Start date
2013-10-30
Completion date
2020-09-28
Last updated
2022-03-02

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

Conditions

Recurrent Plasma Cell Myeloma, Refractory Plasma Cell Myeloma

Brief summary

This phase II trial studies how well trametinib and Akt inhibitor GSK2141795 work in treating patients with multiple myeloma that has come back (relapsed) or that does not respond to treatment (refractory). Trametinib and Akt inhibitor GSK2141795 may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth.

Detailed description

PRIMARY OBJECTIVES: I. To evaluate the antitumor activity of trametinib determined by overall response rate (ORR) in patients that are stratified into groups based on: biomarker positive (neuroblastoma RAS viral \[v-ras\] oncogene homolog \[NRAS\], v-Ki-ras2 Kirsten rat sarcoma viral oncogene homolog \[KRAS\], v-raf murine sarcoma viral oncogene homolog B1 \[BRAF\] mutated) and biomarker negative (without NRAS, KRAS, BRAF mutation). SECONDARY OBJECTIVES: I. To evaluate progression free survival (PFS) and duration of response (DOR) in the two stratified groups. II. To document ORR after the addition of GSK2141795 (Akt inhibitor GSK2141795) to trametinib in patients who have developed progressive disease or have achieved less than a partial response (PR) after 4 cycles of treatment. III. To evaluate PFS and DOR in patients receiving trametinib plus GSK2141795. IV. To evaluate the safety profile of trametinib with and without GSK2141795. TERTIARY OBJECTIVES: I. To explore the relationship between clinical response and pharmacodynamic (PD) markers. II. To explore the relationship between v-maf avian musculoaponeurotic fibrosarcoma oncogene homolog (MAF) expression as determined by quantitative polymerase chain reaction (qPCR), chromosomal abnormalities detected by florescence in situ hybridization (FISH), and clinical response. III. To explore the role of integrin beta7 as a biomarker of MAF expression. IV. To explore the relationship between objective clinical response as well as progressive disease and the tumor mutational profile. V. To explore mechanism of phosphatidylinositol 3 kinase (PI3K)/v-akt Murine Thymoma Viral Oncogene Homolog 1 (AKT) and retrovirus-associated deoxyribonucleic acid (DNA) sequence (RAS)-mitogen-activated protein kinase kinase (MEK)-mitogen-activated protein kinase 1 (ERK) activation and correlate these with clinical response and PD markers. IV. To explore the feasibility of extracting circulating free tumor DNA (cfDNA) from peripheral blood and detecting RAS and RAF mutations using cfDNA. OUTLINE: Patients receive trametinib orally (PO) once daily (QD) on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients with progressive disease or who achieve less than PR after 4 courses may also receive Akt inhibitor GSK2141795 PO daily on days 1-28. After completion of study treatment, patients are followed up for 4 weeks.

Interventions

OTHERLaboratory Biomarker Analysis

Correlative studies

OTHERPharmacological Study

Correlative studies

DRUGTrametinib

Given PO

Given PO

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
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Patients must have histologically or cytologically confirmed multiple myeloma not otherwise specified (NOS) (10028566) * Patients must have measurable disease as defined as at least one of the following (these baseline laboratory studies for determining eligibility must be obtained within 28 days prior to enrollment): * Serum M-protein \>= 0.5 g/dl (\>= 5 g/l) * Urine M-protein \>= 200 mg/24 h * Serum free light chains (FLC) assay: involved FLC level \>= 10 mg/dl (\>= 100 mg/l) and an abnormal serum free light chain ratio (\< 0.26 or \> 1.65) * Biopsy proven plasmacytoma (should be measured within 28 days of first study drug administration); prior biopsy is acceptable * If the serum protein electrophoresis is unreliable for routine M-protein measurement, quantitative immunoglobulin levels on nephelometry or turbidimetry will be followed * A diagnosis of multiple myeloma (MM) and documentation of relapsed or relapse/refractory status following at least 2 prior lines of therapy * Documented laboratory (lab) results confirming tumor mutational status must be obtained at screening; patients in whom mutational status cannot be determined will be deemed ineligible * Eastern Cooperative Oncology Group (ECOG) performance status =\< 2 (Karnofsky \>= 60%) * Life expectancy of greater than 6 months * Able to swallow and retain orally-administered medication and does not have any clinically significant gastrointestinal abnormalities that may alter absorption such as malabsorption syndrome or major resection of the stomach or bowels * All prior treatment-related toxicities must be Common Terminology Criteria for Adverse Events (CTCAE) version (v)4 grade =\< 1 (except alopecia) at the time of registration; subjects with toxicities attributed to prior anti-cancer therapy which are not expected to resolve and result in long lasting sequelae are permitted to enroll * Absolute neutrophil count (ANC) \>= 1.0 x 10\^9/L * Hemoglobin \>= 8 g/dL * Platelets \>= 50 x 10\^9/L * Albumin \>= 2.5 g/dL * Total bilirubin =\< 1.5 x institutional upper limit of normal (ULN) (isolated bilirubin \> 1.5 x ULN is acceptable if bilirubin is fractionated and direct bilirubin \< 35%) * Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) =\< 2.5 x institutional ULN * Serum creatinine =\< 1.5 mg/dL OR calculated creatinine clearance (Cockroft-Gault formula) \>= 30 mL/min OR 24-hour urine creatinine clearance \>= 30 mL/min * Prothrombin time (PT)/international normalized ratio (INR) and partial thromboplastin time (PTT) =\< 1.5 x institutional ULN * Fasting serum glucose \< 126 mg/dl (7 mmol/l) * Left ventricular ejection fraction (LVEF) \>= institutional lower limit of normal (LLN) by echocardiogram (ECHO) or multi gated acquisition scan (MUGA) * Subjects that have been previously diagnosed with type 2 diabetes or steroid-induced diabetes must also meet the additional following criteria: * Diagnosed with diabetes \>= 6 months prior to enrollment * Hemoglobin A1C (HbA1C) =\< 8% at screening visit * Women of child-bearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry and for the duration of study participation; women of child-bearing potential must have a negative serum pregnancy test within 7 days prior to the start of protocol therapy; should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform her treating physician immediately; men treated or enrolled on this protocol must also agree to use adequate contraception prior to the study, for the duration of study participation, and 4 months after completion of trametinib administration * Ability to understand and the willingness to sign a written informed consent document

Exclusion criteria

* History of another malignancy; exception: patients who have been disease-free for 3 years, or patients with a history of completely resected non-melanoma skin cancer and/or patients with indolent second malignancies, are eligible; consult the Cancer Therapy Evaluation Program (CTEP) medical monitor if unsure whether second malignancies meet the requirements specified above * History of interstitial lung disease or pneumonitis * Diabetes mellitus currently requiring insulin; subjects with a history of steroid-induced hyperglycemia may be enrolled provided that HbA1C at screening visit is =\< 8% * Any major surgery, extensive radiotherapy, chemotherapy with delayed toxicity, biologic therapy, or immunotherapy within 28 days prior to randomization and/or daily or weekly chemotherapy or other approved anti-myeloma therapy without the potential for delayed toxicity within 14 days prior to registration * Use of other investigational drugs within 28 days preceding the first dose of trametinib and during the study * Symptomatic or untreated leptomeningeal or brain metastases or spinal cord compression * Have a known immediate or delayed hypersensitivity reaction or idiosyncrasy to drugs chemically related to trametinib or excipients or to dimethyl sulfoxide (DMSO) or GSK214795 * Current use of a prohibited medication; the following medications or non-drug therapies are prohibited: * Other anti-cancer therapy while on study treatment; (note: megestrol \[Megace\] if used as an appetite stimulant is allowed) * Concurrent treatment with bisphosphonates is permitted; however, treatment must be initiated prior to the first dose of study therapy; prophylactic use of bisphosphonates in patients without bone disease is not permitted, except for the treatment of osteoporosis * The concurrent use of all herbal supplements is prohibited during the study (including, but not limited to, St. John's wort, kava, ephedra \[ma huang\], gingko biloba, dehydroepiandrosterone \[DHEA\], yohimbe, saw palmetto, or ginseng) * In vitro data indicate that GSK2141795 is a cytochrome P450, family 3, subfamily A, polypeptide 4 (CYP3A4) substrate; drugs that potently inhibit CYP3A4 could lead to increased GSK2141795 exposure in subjects, and should either be prohibited or used with caution; drugs which are strong inducers of cytochrome P450, family 3, subfamily A (CYP3A) and may result in lower exposures of GSK2141795 should also be prohibited; GSK2141795 also appears to be a moderate in vitro inhibitor of cytochrome P450, family 2, subfamily C, polypeptide 8 (CYP2C8) (50% inhibitory concentration \[IC50\] 3 mcM) and CYP3A4 (IC50 11 mcM); drugs that are substrates of CYP3A4 or CYP2C8 with a narrow therapeutic index may be prohibited; drugs that are sensitive substrates of CYP3A4 or CYP2C8 should be used with caution * History or current evidence/risk of retinal vein occlusion (RVO) or retinal pigment epithelial detachment (RPED): * History of RVO or RPED, or predisposing factors to RVO or RPED (e.g., uncontrolled glaucoma or ocular hypertension, uncontrolled systemic disease such as hypertension, diabetes mellitus, or history of hyperviscosity or hypercoagulability syndromes) * Visible retinal pathology as assessed by ophthalmic exam that is considered a risk factor for RVO or RPED such as evidence of new optic disc cupping, evidence of new visual field defects, and intraocular pressure \> 21 mmHg * History or evidence of cardiovascular risk including any of the following: * Left ventricular ejection fraction (LVEF) \< LLN * A QT interval corrected for heart rate using the Bazett's formula Fridericia corrected QT interval (QTcB) \>= 480 msec (\>= 500 msec for subjects with bundle branch block) * History or evidence of current clinically significant uncontrolled arrhythmias (exception: patients with controlled atrial fibrillation for \> 30 days prior to randomization are eligible) * Other clinically significant electrocardiogram (ECG) abnormalities including second (2nd) degree (type II) or third (3rd) degree atrioventricular (AV) block * Subject with intra-cardiac defibrillators or pacemakers * History of acute coronary syndromes (including myocardial infarction and unstable angina), coronary angioplasty, or stenting within 6 months prior to randomization * History or evidence of current \>= class II congestive heart failure as defined by the New York Heart Association (NYHA) functional classification system * Treatment-refractory hypertension defined as a blood pressure of systolic \> 140 mmHg and/or diastolic \> 90 mmHg which cannot be controlled by anti-hypertensive therapy * Known cardiac metastases * Known human immunodeficiency virus (HIV), hepatitis B virus (HBV), or hepatitis C virus (HCV) infection (with the exception of chronic or cleared HBV and HCV infection, which will be allowed) * Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements * The study drug must not be administered to pregnant women or nursing mothers; women of childbearing potential should be advised to avoid pregnancy and use effective methods of contraception; men with a female partner of childbearing potential must have either had a prior vasectomy or agree to use effective contraception; if a female patient or a female partner of a patient becomes pregnant while the patient receives trametinib, the potential hazard to the fetus should be explained to the patient and partner (as applicable); these potential risks may also apply to GSK2141795

Design outcomes

Primary

MeasureTime frameDescription
ORR Evidenced by Confirmed Response Rate, Defined as Number of Patients With Partial Response or Better by International Myeloma Working Group (IMWG) Criteria Divided by the Number of Patients in the Applicable Group (Biomarker Positive or Negative)Every 4 weeks until progression or death, whichever occurs first, an average of 9 months.Per International Myeloma Working Group (IMWG) Criteria: Complete Response (CR), Negative immunofixation on the serum and urine and disappearance of any soft tissue plasmacytomas and \< 5% plasma cells in bone marrow; Partial Response (PR), \> 50% reduction of serum M-protein and reduction in 24 hours urinary M-protein by \>90% or to \< 200 mg/24 h; Overall Response (OR) = CR + PR.

Secondary

MeasureTime frameDescription
PFSTime from the date of start of treatment to the date of documented progression (based on IMWG criteria) or death, whichever occurs first, due to any cause, assessed every 4 weeks, an average of 9 months.Summarized for each cohort using the Kaplan-Meier method, from the date of start of treatment to the date of documented progression (based on IMWG criteria) or death due to any cause, assessed every 4 weeks
DOR (Duration of Response)From time measurement criteria are met for CR or PR (complete or partial response), (whichever recorded first) until first date that recurrent or progressive disease is objectively documented or to death due to multiple myeloma, assessed every 4 weeksSummarized for each cohort using the Kaplan-Meier method.
ORR After the Addition of AKT Inhibitor GSK2141795 to Trametinib in Patients Who Have Developed Progressive Disease or Have Achieved Less Than a PREvery 4 weeks until progression or death, whichever occurs first, an average of 9 months.Per International Myeloma Working Group (IMWG) Criteria: Complete Response (CR), Negative immunofixation on the serum and urine and disappearance of any soft tissue plasmacytomas and \< 5% plasma cells in bone marrow; Partial Response (PR), \> 50% reduction of serum M-protein and reduction in 24 hours urinary M-protein by \>90% or to \< 200 mg/24 h; Overall Response (OR) = CR + PR.
Incidence of Adverse Event Reactions Reported According to CTCAE v4.0From time of treatment start until treatment completion, an average of 1 yearReported by type, frequency, and severity.

Other

MeasureTime frameDescription
Tumor Mutational Profile by Next Generation SequencingAt baselineAnalyses will be descriptively summarized.
Change in RAS-MEK-ERK Activation Determined by Phospho-flow Cytometry and RPPA (Reversal Phase Protein Arrays)At baselineAnalyses will be descriptively summarized.
Detection of RAS and RAF Mutations Using cfDNABaseline and every even cycle and at progression, an average of 9 cycles (9 months)Ultra-deep sequencing will be performed on cfDNA to assess the feasibility of detecting mutations of NRAS, KRAS and BRAF from peripheral blood samples.
Pharmacodynamic Markers of TrametinibBaseline, day 1 of course 2, progressionAnalyses will be descriptively summarized.
Chromosomal Abnormalities as Determined by FISHAt baselineAnalyses will be descriptively summarized.

Countries

Canada

Participant flow

Participants by arm

ArmCount
Treatment (Trametinib, Akt Inhibitor GSK2141795)
Patients receive trametinib orally PO QD on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients with progressive disease or who achieve less than PR after 4 courses may also receive Akt inhibitor GSK2141795 PO daily on days 1-28. Laboratory Biomarker Analysis: Correlative studies Pharmacological Study: Correlative studies Trametinib: Given PO Uprosertib: Given PO
25
Total25

Baseline characteristics

CharacteristicTreatment (Trametinib, Akt Inhibitor GSK2141795)
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
12 Participants
Age, Categorical
Between 18 and 65 years
13 Participants
Age, Continuous64 years
Race and Ethnicity Not Collected— Participants
Region of Enrollment
Canada
25 participants
Sex: Female, Male
Female
14 Participants
Sex: Female, Male
Male
11 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
7 / 25
other
Total, other adverse events
25 / 25
serious
Total, serious adverse events
15 / 25

Outcome results

Primary

ORR Evidenced by Confirmed Response Rate, Defined as Number of Patients With Partial Response or Better by International Myeloma Working Group (IMWG) Criteria Divided by the Number of Patients in the Applicable Group (Biomarker Positive or Negative)

Per International Myeloma Working Group (IMWG) Criteria: Complete Response (CR), Negative immunofixation on the serum and urine and disappearance of any soft tissue plasmacytomas and \< 5% plasma cells in bone marrow; Partial Response (PR), \> 50% reduction of serum M-protein and reduction in 24 hours urinary M-protein by \>90% or to \< 200 mg/24 h; Overall Response (OR) = CR + PR.

Time frame: Every 4 weeks until progression or death, whichever occurs first, an average of 9 months.

ArmMeasureValue (NUMBER)
Treatment (Trametinib)ORR Evidenced by Confirmed Response Rate, Defined as Number of Patients With Partial Response or Better by International Myeloma Working Group (IMWG) Criteria Divided by the Number of Patients in the Applicable Group (Biomarker Positive or Negative)1 participants
Treatment (Trametinib, Akt Inhibitor GSK2141795)ORR Evidenced by Confirmed Response Rate, Defined as Number of Patients With Partial Response or Better by International Myeloma Working Group (IMWG) Criteria Divided by the Number of Patients in the Applicable Group (Biomarker Positive or Negative)2 participants
Secondary

DOR (Duration of Response)

Summarized for each cohort using the Kaplan-Meier method.

Time frame: From time measurement criteria are met for CR or PR (complete or partial response), (whichever recorded first) until first date that recurrent or progressive disease is objectively documented or to death due to multiple myeloma, assessed every 4 weeks

Population: Not reported. Data were not collected and not analyzed for this outcome measure.

Secondary

Incidence of Adverse Event Reactions Reported According to CTCAE v4.0

Reported by type, frequency, and severity.

Time frame: From time of treatment start until treatment completion, an average of 1 year

ArmMeasureValue (NUMBER)
Treatment (Trametinib)Incidence of Adverse Event Reactions Reported According to CTCAE v4.02 Adverse Events
Treatment (Trametinib, Akt Inhibitor GSK2141795)Incidence of Adverse Event Reactions Reported According to CTCAE v4.04 Adverse Events
Secondary

ORR After the Addition of AKT Inhibitor GSK2141795 to Trametinib in Patients Who Have Developed Progressive Disease or Have Achieved Less Than a PR

Per International Myeloma Working Group (IMWG) Criteria: Complete Response (CR), Negative immunofixation on the serum and urine and disappearance of any soft tissue plasmacytomas and \< 5% plasma cells in bone marrow; Partial Response (PR), \> 50% reduction of serum M-protein and reduction in 24 hours urinary M-protein by \>90% or to \< 200 mg/24 h; Overall Response (OR) = CR + PR.

Time frame: Every 4 weeks until progression or death, whichever occurs first, an average of 9 months.

Population: Trametinib monotherapy arm not applicable for this outcome measure

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Treatment (Trametinib)ORR After the Addition of AKT Inhibitor GSK2141795 to Trametinib in Patients Who Have Developed Progressive Disease or Have Achieved Less Than a PR0 Participants
Treatment (Trametinib, Akt Inhibitor GSK2141795)ORR After the Addition of AKT Inhibitor GSK2141795 to Trametinib in Patients Who Have Developed Progressive Disease or Have Achieved Less Than a PR2 Participants
Secondary

PFS

Summarized for each cohort using the Kaplan-Meier method, from the date of start of treatment to the date of documented progression (based on IMWG criteria) or death due to any cause, assessed every 4 weeks

Time frame: Time from the date of start of treatment to the date of documented progression (based on IMWG criteria) or death, whichever occurs first, due to any cause, assessed every 4 weeks, an average of 9 months.

Population: Note: 25 patients enrolled, however, one patient unevaluable was not included in analysis

ArmMeasureValue (MEDIAN)
Treatment (Trametinib)PFS1.8 months
Other Pre-specified

Change in RAS-MEK-ERK Activation Determined by Phospho-flow Cytometry and RPPA (Reversal Phase Protein Arrays)

Analyses will be descriptively summarized.

Time frame: At baseline

Population: Data for this measure was not analyzed

Other Pre-specified

Chromosomal Abnormalities as Determined by FISH

Analyses will be descriptively summarized.

Time frame: At baseline

Population: Data for this measure was not analyzed

Other Pre-specified

Detection of RAS and RAF Mutations Using cfDNA

Ultra-deep sequencing will be performed on cfDNA to assess the feasibility of detecting mutations of NRAS, KRAS and BRAF from peripheral blood samples.

Time frame: Baseline and every even cycle and at progression, an average of 9 cycles (9 months)

Population: 64 cfDNA specimens from 53 Myeloma patients including 13 patients from this trial that were included in this analysis

ArmMeasureValue (NUMBER)
Treatment (Trametinib)Detection of RAS and RAF Mutations Using cfDNA10 MUTATIONS
Treatment (Trametinib, Akt Inhibitor GSK2141795)Detection of RAS and RAF Mutations Using cfDNA2 MUTATIONS
Detection of BRAF Mutations Using cfDNADetection of RAS and RAF Mutations Using cfDNA2 MUTATIONS
Other Pre-specified

Pharmacodynamic Markers of Trametinib

Analyses will be descriptively summarized.

Time frame: Baseline, day 1 of course 2, progression

Population: Data for this measure was not analyzed

Other Pre-specified

Tumor Mutational Profile by Next Generation Sequencing

Analyses will be descriptively summarized.

Time frame: At baseline

Population: Data for this measure was not analyzed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026