- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01271803
A Study of Vemurafenib and GDC-0973 (Cobimetinib) in Participants With BRAFV600E Mutation-Positive Metastatic Melanoma
July 26, 2019 updated by: Hoffmann-La Roche
A Phase IB, Open-Label, Dose-Escalation Study Evaluating the Safety, Tolerability and Pharmacokinetics of Vemurafenib in Combination With GDC-0973 (Cobimetinib) When Administered in BRAFV600E Mutation-Positive Patients Previously Treated (But Without Prior Exposure to BRAF or MEK Inhibitor Therapy) or Previously Untreated for Locally Advanced/Unresectable or Metastatic Melanoma or Those Who Have Progressed After Treatment With Vemurafenib
This open-label, dose-escalation study of vemurafenib in combination with cobimetinib will evaluate the safety, tolerability and pharmacokinetics in participants with BRAFV600 mutation-positive metastatic melanoma.
Participants with previously untreated, BRAFV600E mutation-positive, locally advanced/unresectable or metastatic melanoma or those who have progressed on vemurafenib monotherapy immediately prior to enrolling in this trial are eligible.
Participants will be assigned to different cohorts with escalating oral doses of vemurafenib and cobimetinib.
This study consists of 2 stages, Stage 1 (Dose Escalation Stage [DES] and Cohort Expansion Stage [CES]) and the anticipated time on study treatment is until disease progression, unacceptable toxicity or any other discontinuation criterion is met.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Actual)
131
Phase
- Phase 1
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Victoria
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Melbourne, Victoria, Australia, 3000
- Peter Maccallum Cancer Institute; Medical Oncology
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California
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Los Angeles, California, United States, 90024
- UCLA Department of Medicine
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San Francisco, California, United States, 94115
- University of California at San Francisco
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Santa Monica, California, United States, 90025
- The Angeles Clinic and Research Institute, Santa Monica Office
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Colorado
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Aurora, Colorado, United States, 80045
- University of Colorado; Anschutz Cancer Pavilion
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Illinois
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Chicago, Illinois, United States, 60637
- University of Chicago
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Indiana
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Indianapolis, Indiana, United States, 46202
- Indiana University - Department of Medicine, Division of Gastroenterology/Hepatology
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Michigan
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Detroit, Michigan, United States, 48201
- Karmanos Cancer Inst. ; Hudson Webber; Cancer Research Building
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New York
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New York, New York, United States, 10036
- New York University Medical Center
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Tennessee
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Nashville, Tennessee, United States, 37232
- Vanderbilt University Medical Center
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (ADULT, OLDER_ADULT)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Participants with histologically confirmed melanoma (unresectable Stage IIIc and Stage IV metastatic melanoma, as defined by American Joint Committee on Cancer [AJCC])
- Measurable disease per Response Evaluation Criteria in Solid Tumors (RECIST) Version (V) 1.1
- Eastern Cooperative Oncology Group (ECOG) Performance Status of less than or equal to (</=) 1
Participants must
- be previously untreated for locally advanced/unresectable or metastatic melanoma or
- previously treated but without prior exposure to any BRAF or MEK inhibitor therapy or
- progressed on vemurafenib while participating in a Phase I (including clinical pharmacology studies), II, or III clinical study or expanded access programs (EAP) immediately prior to enrollment in this study or
- progressed on vemurafenib administered in a postmarketing setting immediately prior to enrollment in this study.
- Life expectancy >/=12 weeks
Exclusion Criteria:
- History of prior significant toxicity from another RAF or MEK pathway inhibitor requiring discontinuation of treatment
- Palliative radiotherapy within 2 weeks prior to first dose of study drug treatment
- Experimental therapy within 4 weeks prior to first dose of study drug treatment except vemurafenib
- Major surgery within 4 weeks of first dose of study drug treatment or planning a major surgery during the study
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NON_RANDOMIZED
- Interventional Model: PARALLEL
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: DES (Cohort 1): 60 mg Cobimetinib + 720 mg Vemurafenib
Participants will receive oral 60 milligrams (mg) cobimetinib once daily (QD) on Days 1-14, followed by 14 days off on Days 15-28 (14/14 dosing schedule) and oral 720 mg vemurafenib twice daily (BID) on Days 1-28 of every cycle (1 Cycle=28 Days), until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
|
Participants will receive cobimetinib 60 to 100 mg at any of the 3 dosing schedules with or without vemurafenib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
Other Names:
Participants will receive vemurafenib 720 or 960 mg along with cobimetinib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
|
EXPERIMENTAL: DES (Cohort 1A): 60 mg Cobimetinib + 720 mg Vemurafenib
Participants will receive oral 60 mg cobimetinib QD on Days 1-21, followed by 7 days off on Days 22-28 (21/7 dosing schedule) and oral 720 mg vemurafenib BID on Days 1-28 of every cycle (1 Cycle=28 Days), until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
|
Participants will receive cobimetinib 60 to 100 mg at any of the 3 dosing schedules with or without vemurafenib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
Other Names:
Participants will receive vemurafenib 720 or 960 mg along with cobimetinib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
|
EXPERIMENTAL: DES (Cohort 1B): 60 mg Cobimetinib + 960 mg Vemurafenib
Participants will receive oral 60 mg cobimetinib QD on 21/7 dosing schedule and oral 960 mg vemurafenib BID on Days 1-28 of every cycle (1 Cycle=28 Days), until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
|
Participants will receive cobimetinib 60 to 100 mg at any of the 3 dosing schedules with or without vemurafenib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
Other Names:
Participants will receive vemurafenib 720 or 960 mg along with cobimetinib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
|
EXPERIMENTAL: DES (Cohort 1C): 60 mg Cobimetinib + 720 mg Vemurafenib
Participants will receive oral 60 mg cobimetinib QD on Days 1-28 (28/0 dosing schedule) and oral 720 mg vemurafenib BID on Days 1-28 of every cycle (1 Cycle=28 Days), until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
|
Participants will receive cobimetinib 60 to 100 mg at any of the 3 dosing schedules with or without vemurafenib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
Other Names:
Participants will receive vemurafenib 720 or 960 mg along with cobimetinib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
|
EXPERIMENTAL: DES (Cohort 1D): 60 mg Cobimetinib + 960 mg Vemurafenib
Participants will receive oral 60 mg cobimetinib QD on 28/0 dosing schedule and oral 960 mg vemurafenib BID on Days 1-28 of every cycle (1 Cycle=28 Days), until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
|
Participants will receive cobimetinib 60 to 100 mg at any of the 3 dosing schedules with or without vemurafenib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
Other Names:
Participants will receive vemurafenib 720 or 960 mg along with cobimetinib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
|
EXPERIMENTAL: DES (Cohort 2): 80 mg Cobimetinib + 720 mg Vemurafenib
Participants will receive oral 80 mg cobimetinib QD on 14/14 dosing schedule and oral 720 mg vemurafenib BID on Days 1-28 of every cycle (1 Cycle=28 Days), until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
|
Participants will receive cobimetinib 60 to 100 mg at any of the 3 dosing schedules with or without vemurafenib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
Other Names:
Participants will receive vemurafenib 720 or 960 mg along with cobimetinib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
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EXPERIMENTAL: DES (Cohort 2A): 100 mg Cobimetinib + 720 mg Vemurafenib
Participants will receive oral 100 mg cobimetinib QD on 14/14 dosing schedule and oral 720 mg vemurafenib BID on Days 1-28 of every cycle (1 Cycle=28 Days), until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
|
Participants will receive cobimetinib 60 to 100 mg at any of the 3 dosing schedules with or without vemurafenib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
Other Names:
Participants will receive vemurafenib 720 or 960 mg along with cobimetinib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
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EXPERIMENTAL: DES (Cohort 3): 60 mg Cobimetinib + 960 mg Vemurafenib
Participants will receive oral 60 mg cobimetinib QD on 14/14 dosing schedule and oral 960 mg vemurafenib BID on Days 1-28 of every cycle (1 Cycle=28 Days), until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
|
Participants will receive cobimetinib 60 to 100 mg at any of the 3 dosing schedules with or without vemurafenib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
Other Names:
Participants will receive vemurafenib 720 or 960 mg along with cobimetinib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
|
EXPERIMENTAL: DES (Cohort 4): 80 mg Cobimetinib + 960 mg Vemurafenib
Participants will receive oral 80 mg cobimetinib QD on 14/14 dosing schedule and oral 960 mg vemurafenib BID on Days 1-28 of every cycle (1 Cycle=28 Days), until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
|
Participants will receive cobimetinib 60 to 100 mg at any of the 3 dosing schedules with or without vemurafenib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
Other Names:
Participants will receive vemurafenib 720 or 960 mg along with cobimetinib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
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EXPERIMENTAL: Cobimetinib Monotherapy (100 mg or 60 mg)
Participants will receive oral 60 mg cobimetinib QD on 21/7 dosing schedule, or oral 100 mg cobimetinib QD on 14/14 dosing schedule of every cycle (1 Cycle=28 Days), until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
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Participants will receive cobimetinib 60 to 100 mg at any of the 3 dosing schedules with or without vemurafenib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
Other Names:
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EXPERIMENTAL: CES (Cohort 1A): 60 mg Cobimetinib + 720 mg Vemurafenib
Participants will receive oral 60 mg cobimetinib QD on 21/7 dosing schedule and oral 720 mg vemurafenib BID on Days 1-28 of every cycle (1 Cycle=28 Days), until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
|
Participants will receive cobimetinib 60 to 100 mg at any of the 3 dosing schedules with or without vemurafenib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
Other Names:
Participants will receive vemurafenib 720 or 960 mg along with cobimetinib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
|
EXPERIMENTAL: CES (Cohort 1B): 60 mg Cobimetinib + 960 mg Vemurafenib
Participants will receive oral 60 mg cobimetinib QD on 21/7 dosing schedule and oral 960 mg vemurafenib BID on Days 1-28 of every cycle (1 Cycle=28 Days), until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
|
Participants will receive cobimetinib 60 to 100 mg at any of the 3 dosing schedules with or without vemurafenib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
Other Names:
Participants will receive vemurafenib 720 or 960 mg along with cobimetinib in cycles of 28 days each until disease progression, unacceptable toxicity, or any other discontinuation criteria are met.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Participants With Dose-Limiting Toxicities (DLTs) During DES in Combination Cohorts
Time Frame: 28 Days
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DLT is defined as 1 of the following toxicities considered by the investigator to be related to study treatment: a) Grade 3 nausea, vomiting or diarrhea that resolved to Grade less than or equal to (≤) 1 within 7 days, b) Grade 3 rash or photosensitivity that resolved to Grade ≤2 within 7 days, c) Grade 3 cutaneous squamous cell carcinoma (cuSCC) that was subsequently resected, d) Grade greater than or equal to (≥) 3 fatigue or hyperuricemia that resolved to Grade ≤2 within 7 days, e) Grade 3 fever, f) Grade 3 or 4 elevation of serum creatine phosphokinase (CPK) levels, which is asymptomatic, deemed by the investigator to be clinically insignificant and that returned to Grade ≤2 during the 14-day cobimetinib treatment holiday, g) Grade ≥3 febrile neutropenia, h) Grade ≥4 neutropenia (absolute neutrophil count [ANC] less than <500/microliter [μL]), i) Grade ≥4 thrombocytopenia, j) Grade ≥4 anemia, k) Grade ≥3 elevation of total bilirubin, hepatic transaminase or alkaline phosphatase.
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28 Days
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Maximum Tolerated Doses (MTD) of Vemurafenib and Cobimetinib When Administered in Combination in DES
Time Frame: 28 Days
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The highest dose level(s) at which fewer than one-third of participants experienced a DLT was declared the MTD.
DLT is defined as 1 of the following toxicities considered by the investigator to be related to study treatment: a) Grade 3 nausea, vomiting or diarrhea that resolved to Grade ≤1 within 7 days, b) Grade 3 rash/photosensitivity that resolved to Grade ≤2 within 7 days, c) Grade 3 cuSCC that was subsequently resected, d) Grade ≥3 fatigue/hyperuricemia that resolved to Grade ≤2 within 7 days, e) Grade 3 fever, f) Grade 3 or 4 elevation of serum CPK levels, which is asymptomatic, deemed to be clinically insignificant and returns to Grade ≤2 during the 14-day cobimetinib treatment holiday, g) Grade ≥3 febrile neutropenia, h) Grade ≥4 neutropenia (ANC <500/ μL), i) Grade ≥4 thrombocytopenia, j) Grade ≥4 anemia, k) Grade ≥3 elevation of total bilirubin, hepatic transaminase or alkaline phosphatase.
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28 Days
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Maximum Plasma Concentration (Cmax) of Cobimetinib on Day 1, Cycle 1
Time Frame: Cycle 1: predose (0 hours [hr]) on Days 1, 2; 0.5, 1, 2, 4, 6 hr postdose on Day 1
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Cycle 1: predose (0 hours [hr]) on Days 1, 2; 0.5, 1, 2, 4, 6 hr postdose on Day 1
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Cmax of Cobimetinib on Day 1, Cycle 1 in Cohort 3
Time Frame: Cycle 1: predose (0 hr) on Days 1, 2; 0.5, 1, 2, 4, 6 hr postdose on Day 1
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Cycle 1: predose (0 hr) on Days 1, 2; 0.5, 1, 2, 4, 6 hr postdose on Day 1
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Time Taken to Reach Maximum Plasma Concentration (Tmax) of Cobimetinib on Day 1, Cycle 1
Time Frame: Cycle 1: predose (0 hr) on Days 1, 2; 0.5, 1, 2, 4, 6 hr postdose on Day 1
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Cycle 1: predose (0 hr) on Days 1, 2; 0.5, 1, 2, 4, 6 hr postdose on Day 1
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Area Under Concentration Versus Time Curve (AUC) Over a Period of 24 Hours (AUC0-24) of Cobimetinib on Day 1, Cycle 1
Time Frame: Cycle 1: predose (0 hr) on Days 1, 2; 0.5, 1, 2, 4, 6 hr postdose on Day 1
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Cycle 1: predose (0 hr) on Days 1, 2; 0.5, 1, 2, 4, 6 hr postdose on Day 1
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AUC0-24 of Cobimetinib on Day 1, Cycle 1 of Cohort 3
Time Frame: Cycle 1: predose (0 hr) on Days 1, 2; 0.5, 1, 2, 4, 6 hr postdose on Day 1
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Cycle 1: predose (0 hr) on Days 1, 2; 0.5, 1, 2, 4, 6 hr postdose on Day 1
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Cmax of Cobimetinib on Day 14 (Steady State), Cycle 1
Time Frame: Cycle 1: predose (0 hr) on Days 8, 14; 0.5, 1, 2, 4, 6 hr postdose on Day 14
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Cycle 1: predose (0 hr) on Days 8, 14; 0.5, 1, 2, 4, 6 hr postdose on Day 14
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Tmax of Cobimetinib on Day 14 (Steady State), Cycle 1
Time Frame: Cycle 1: predose (0 hr) on Days 8, 14; 0.5, 1, 2, 4, 6 hr postdose on Day 14
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Cycle 1: predose (0 hr) on Days 8, 14; 0.5, 1, 2, 4, 6 hr postdose on Day 14
|
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AUC0-24 of Cobimetinib on Day 14, Cycle 1
Time Frame: Cycle 1: predose (0 hr) on Days 8, 14; 0.5, 1, 2, 4, 6 hr postdose on Day 14
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Cycle 1: predose (0 hr) on Days 8, 14; 0.5, 1, 2, 4, 6 hr postdose on Day 14
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Clearance (CL) of Cobimetinib on Day 14 (Steady State), Cycle 1
Time Frame: Cycle 1: predose (0 hr) on Days 8, 14; 0.5, 1, 2, 4, 6 hr postdose on Day 14
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Clearance of a drug is a measure of the rate at which a drug is metabolized or eliminated by normal biological processes.
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Cycle 1: predose (0 hr) on Days 8, 14; 0.5, 1, 2, 4, 6 hr postdose on Day 14
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Cmax of Vemurafenib on Day -1, Cycle 1 in Participants Previously Treated With Vemurafenib Prior to Enrollment Into This Study
Time Frame: Predose (0 hr) on Days -1, 1; 2, 4, 6, 8 hr postdose on Day -1
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Predose (0 hr) on Days -1, 1; 2, 4, 6, 8 hr postdose on Day -1
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Cmax of Vemurafenib on Day -1, Cycle 1 of Cohorts 1C and 2A in Participants Previously Treated With Vemurafenib Prior to Enrollment Into This Study
Time Frame: Predose (0 hr) on Day -1, 1; 2, 4, 6, 8 hr postdose on Day -1
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Predose (0 hr) on Day -1, 1; 2, 4, 6, 8 hr postdose on Day -1
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Tmax of Vemurafenib on Day -1, Cycle 1 in Participants Previously Treated With Vemurafenib Prior to Enrollment Into This Study
Time Frame: Predose (0 hr) on Day -1, 1; 2, 4, 6, 8 hr postdose on Day -1
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Predose (0 hr) on Day -1, 1; 2, 4, 6, 8 hr postdose on Day -1
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Cmax of Vemurafenib on Day 1, Cycle 1 in BRAFi-naïve Participants
Time Frame: Predose (0 hr) on Day 1, 2; 0.5, 1, 2, 4, 6 hr postdose on Day 1
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Predose (0 hr) on Day 1, 2; 0.5, 1, 2, 4, 6 hr postdose on Day 1
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Cmax of Vemurafenib on Day 1, Cycle 1 in Cohort 1A in BRAFi-naïve Participants
Time Frame: Predose (0 hr) on Day 1, 2; 0.5, 1, 2, 4, 6 hr postdose on Day 1
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Predose (0 hr) on Day 1, 2; 0.5, 1, 2, 4, 6 hr postdose on Day 1
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Tmax of Vemurafenib on Day 1, Cycle 1 in BRAFi-naïve Participants
Time Frame: Predose (0 hr) on Day 1, 2; 0.5, 1, 2, 4, 6 hr postdose on Day 1
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Predose (0 hr) on Day 1, 2; 0.5, 1, 2, 4, 6 hr postdose on Day 1
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Cmax of Vemurafenib on Day 14, Cycle 1
Time Frame: Predose (0 hr) on Days 14, 15; 0.5, 1, 2, 4, 6, 8 hr postdose on Day 14
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Predose (0 hr) on Days 14, 15; 0.5, 1, 2, 4, 6, 8 hr postdose on Day 14
|
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Tmax of Vemurafenib on Day 14, Cycle 1
Time Frame: Predose (0 hr) on Days 14, 15; 0.5, 1, 2, 4, 6, 8 hr postdose on Day 14
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Predose (0 hr) on Days 14, 15; 0.5, 1, 2, 4, 6, 8 hr postdose on Day 14
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Percentage of Participants With an Objective Response of Complete Response (CR) or Partial Response (PR) According to Response Evaluation Criteria in Solid Tumors (RECIST) Version (V) 1.1
Time Frame: Assessed at screening (within 28 days prior to initiation of Cycle 1), every 6 weeks thereafter until disease progression (up to 82 months)
|
Tumor response of CR or PR is considered as objective response.
CR: disappearance of all target lesions, reduction in short axis <10 millimeters in pathological lymph nodes (target and non-target lesions); PR: at least a 30 percent (%) decrease in the sum of the longest diameter of target lesions, taking as reference the baseline sum longest diameter.
Responses were confirmed by repeat assessments ≥4 weeks after initial documentation.
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Assessed at screening (within 28 days prior to initiation of Cycle 1), every 6 weeks thereafter until disease progression (up to 82 months)
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Percentage of Participants With Disease Progression According to RECIST V 1.1
Time Frame: Assessed at screening (within 28 days prior to initiation of Cycle 1), every 6 weeks thereafter until disease progression or death (up to 82 months)
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Progressive disease (PD) according to RECIST V 1.1: at least a 20% increase in the sum of the longest diameter of target lesions, taking as reference the smallest sum on study (nadir), including baseline; in addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm; appearance of 1 or more lesions is also considered as progression.
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Assessed at screening (within 28 days prior to initiation of Cycle 1), every 6 weeks thereafter until disease progression or death (up to 82 months)
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Median Duration of Response (DOR)
Time Frame: Time from first occurrence of objective response until the time of disease progression or death from any cause (up to 82 months)
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Duration of response, defined as the time from first occurrence of a documented objective response until the time of disease progression, as determined by investigator review of tumor assessments using RECIST v 1.1, or death from any cause during the study (that is within 30 days after the last dose of study treatment).
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Time from first occurrence of objective response until the time of disease progression or death from any cause (up to 82 months)
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Overall Survival (OS)
Time Frame: Assessed at screening (within 28 days prior to initiation of Cycle 1), every 6 weeks thereafter until disease progression or death (up to 82 months)
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OS was defined as the time from the date of randomization to the date of death due to any cause.
Participants were censored at the last date of tumor measurement, the last date in the study drug log, or the date of last follow-up.
OS analyzed using Kaplan-Meier estimate.
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Assessed at screening (within 28 days prior to initiation of Cycle 1), every 6 weeks thereafter until disease progression or death (up to 82 months)
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Average Percent Change From Baseline in Fluorodeoxyglucose-positron Emission Tomography (FDG-PET) at Cycle 1 and Cycle 2
Time Frame: Cycle 1 (Days 10 to 14), Cycle 2 (Days 14+7)
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The pharmacodynamic effect of cobimetinib in combination with vemurafenib was assessed by measuring changes in FDG uptake as characterized by the lean body mass corrected (LBM) maximum standardized uptake value (SUV max) measurement using FDG-PET.
Post-baseline timepoint Cycle 1 was averaged between Days 10 to 14 and Cycle 2 for Days 14+7.
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Cycle 1 (Days 10 to 14), Cycle 2 (Days 14+7)
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Pharmacodynamics: Number of Participants With Mitogen-Activated Protein Kinase (MAPK) Inhibition, as Assessed by Immunohistochemistry (IHC)
Time Frame: At baseline; Cycle 1: Day 14; at disease progression (Up to 32 months)
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Changes in effector molecules of the MAPK pathway that are directly or indirectly affected by BRAF and MEK inhibition (including but not limited to ERK and phosphorylated ERK and MEK) by IHC using biopsies at baseline, between Days 10-14 of Cycle 1, and at disease progression.
IHC is a staining process performed on fresh/frozen tumor tissue samples.
|
At baseline; Cycle 1: Day 14; at disease progression (Up to 32 months)
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- Ascierto PA, Ribas A, Larkin J, McArthur GA, Lewis KD, Hauschild A, Flaherty KT, McKenna E, Zhu Q, Mun Y, Dreno B. Impact of initial treatment and prognostic factors on postprogression survival in BRAF-mutated metastatic melanoma treated with dacarbazine or vemurafenib +/- cobimetinib: a pooled analysis of four clinical trials. J Transl Med. 2020 Aug 3;18(1):294. doi: 10.1186/s12967-020-02458-x.
- Ribas A, Gonzalez R, Pavlick A, Hamid O, Gajewski TF, Daud A, Flaherty L, Logan T, Chmielowski B, Lewis K, Kee D, Boasberg P, Yin M, Chan I, Musib L, Choong N, Puzanov I, McArthur GA. Combination of vemurafenib and cobimetinib in patients with advanced BRAF(V600)-mutated melanoma: a phase 1b study. Lancet Oncol. 2014 Aug;15(9):954-65. doi: 10.1016/S1470-2045(14)70301-8. Epub 2014 Jul 15. Erratum In: Lancet Oncol. 2014 Sep;15(10):417.
- Baudy AR, Dogan T, Flores-Mercado JE, Hoeflich KP, Su F, van Bruggen N, Williams SP. FDG-PET is a good biomarker of both early response and acquired resistance in BRAFV600 mutant melanomas treated with vemurafenib and the MEK inhibitor GDC-0973. EJNMMI Res. 2012 May 31;2(1):22. doi: 10.1186/2191-219X-2-22.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (ACTUAL)
February 17, 2011
Primary Completion (ACTUAL)
October 1, 2013
Study Completion (ACTUAL)
December 12, 2017
Study Registration Dates
First Submitted
January 5, 2011
First Submitted That Met QC Criteria
January 5, 2011
First Posted (ESTIMATE)
January 7, 2011
Study Record Updates
Last Update Posted (ACTUAL)
July 29, 2019
Last Update Submitted That Met QC Criteria
July 26, 2019
Last Verified
July 1, 2019
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- NO25395
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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Dr. Ronnie ShapiraNot yet recruitingMetastatic Melanoma | Malignant Melanoma | Immunotherapy | Malignant Melanoma Stage IV | BRAF V600E
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National Cancer Institute (NCI)GlaxoSmithKline; Novartis PharmaceuticalsActive, not recruitingHematopoietic and Lymphoid Cell Neoplasm | Metastatic Melanoma | Stage IV Cutaneous Melanoma AJCC v6 and v7 | Locally Advanced Malignant Solid Neoplasm | Unresectable Malignant Solid Neoplasm | Locally Advanced Melanoma | Metastatic Malignant Solid Neoplasm | Stage IIIC Cutaneous Melanoma AJCC v7 | Unresectable...United States
Clinical Trials on Cobimetinib
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University of UtahGenentech, Inc.RecruitingChronic Myelomonocytic Leukemia (CMML)United States
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University of ArkansasGenentech, Inc.RecruitingArteriovenous Malformations (Extracranial)United States
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ImmVira Pharma Co. LtdSuspendedMelanoma | Malignant MelanomaUnited States
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Memorial Sloan Kettering Cancer CenterGenentech, Inc.Completed
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Genentech, Inc.Completed
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Genentech, Inc.Completed
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Genentech, Inc.CompletedNeoplasmsUnited States, Spain
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Carl AllenBaylor College of Medicine; Genentech, Inc.; North American Consortium for HistiocytosisRecruitingHistiocytic Sarcoma | Juvenile Xanthogranuloma | Histiocytic Disorders, Malignant | Erdheim-Chester Disease | Langerhan's Cell Histiocytosis | Rosai Dorfman Disease | Neuro-Degenerative DiseaseUnited States
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Hoffmann-La RocheCompletedSolid TumorsUnited States, Spain, Germany, France, Israel, Italy, United Kingdom
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Genentech, Inc.Completed