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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT01271803
Registration number
NCT01271803
Ethics application status
Date submitted
5/01/2011
Date registered
7/01/2011
Date last updated
29/07/2019
Titles & IDs
Public title
A Study of Vemurafenib and GDC-0973 (Cobimetinib) in Participants With BRAFV600E Mutation-Positive Metastatic Melanoma
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Scientific title
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
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Secondary ID [1]
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NO25395
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Malignant Melanoma
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Condition category
Condition code
Cancer
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Malignant melanoma
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Cobimetinib
Treatment: Drugs - vemurafenib
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Treatment: Drugs: Cobimetinib
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.
Treatment: Drugs: vemurafenib
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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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Number of Participants With Dose-Limiting Toxicities (DLTs) During DES in Combination Cohorts
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Assessment method [1]
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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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Timepoint [1]
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28 Days
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Primary outcome [2]
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Maximum Tolerated Doses (MTD) of Vemurafenib and Cobimetinib When Administered in Combination in DES
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Assessment method [2]
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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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Timepoint [2]
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28 Days
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Primary outcome [3]
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Maximum Plasma Concentration (Cmax) of Cobimetinib on Day 1, Cycle 1
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Assessment method [3]
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Timepoint [3]
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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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Primary outcome [4]
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Cmax of Cobimetinib on Day 1, Cycle 1 in Cohort 3
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Assessment method [4]
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Timepoint [4]
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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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Primary outcome [5]
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Time Taken to Reach Maximum Plasma Concentration (Tmax) of Cobimetinib on Day 1, Cycle 1
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Assessment method [5]
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Timepoint [5]
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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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Primary outcome [6]
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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
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Assessment method [6]
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Timepoint [6]
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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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Primary outcome [7]
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AUC0-24 of Cobimetinib on Day 1, Cycle 1 of Cohort 3
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Assessment method [7]
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Timepoint [7]
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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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Primary outcome [8]
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Cmax of Cobimetinib on Day 14 (Steady State), Cycle 1
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Assessment method [8]
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Timepoint [8]
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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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Primary outcome [9]
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Tmax of Cobimetinib on Day 14 (Steady State), Cycle 1
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Assessment method [9]
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Timepoint [9]
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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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Primary outcome [10]
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AUC0-24 of Cobimetinib on Day 14, Cycle 1
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Assessment method [10]
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Timepoint [10]
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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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Primary outcome [11]
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Clearance (CL) of Cobimetinib on Day 14 (Steady State), Cycle 1
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Assessment method [11]
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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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Timepoint [11]
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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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Primary outcome [12]
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Cmax of Vemurafenib on Day -1, Cycle 1 in Participants Previously Treated With Vemurafenib Prior to Enrollment Into This Study
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Assessment method [12]
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Timepoint [12]
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Predose (0 hr) on Days -1, 1; 2, 4, 6, 8 hr postdose on Day -1
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Primary outcome [13]
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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
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Assessment method [13]
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Timepoint [13]
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Predose (0 hr) on Day -1, 1; 2, 4, 6, 8 hr postdose on Day -1
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Primary outcome [14]
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Tmax of Vemurafenib on Day -1, Cycle 1 in Participants Previously Treated With Vemurafenib Prior to Enrollment Into This Study
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Assessment method [14]
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Timepoint [14]
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Predose (0 hr) on Day -1, 1; 2, 4, 6, 8 hr postdose on Day -1
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Primary outcome [15]
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Cmax of Vemurafenib on Day 1, Cycle 1 in BRAFi-naïve Participants
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Assessment method [15]
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Timepoint [15]
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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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Primary outcome [16]
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Cmax of Vemurafenib on Day 1, Cycle 1 in Cohort 1A in BRAFi-naïve Participants
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Assessment method [16]
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Timepoint [16]
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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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Primary outcome [17]
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Tmax of Vemurafenib on Day 1, Cycle 1 in BRAFi-naïve Participants
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Assessment method [17]
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Timepoint [17]
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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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Primary outcome [18]
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Cmax of Vemurafenib on Day 14, Cycle 1
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Assessment method [18]
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Timepoint [18]
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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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Primary outcome [19]
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Tmax of Vemurafenib on Day 14, Cycle 1
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Assessment method [19]
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Timepoint [19]
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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 [1]
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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
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Assessment method [1]
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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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Timepoint [1]
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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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Secondary outcome [2]
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Percentage of Participants With Disease Progression According to RECIST V 1.1
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Assessment method [2]
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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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Timepoint [2]
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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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Secondary outcome [3]
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Median Duration of Response (DOR)
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Assessment method [3]
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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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Timepoint [3]
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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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Secondary outcome [4]
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Overall Survival (OS)
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Assessment method [4]
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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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Timepoint [4]
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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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Secondary outcome [5]
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Average Percent Change From Baseline in Fluorodeoxyglucose-positron Emission Tomography (FDG-PET) at Cycle 1 and Cycle 2
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Assessment method [5]
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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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Timepoint [5]
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Cycle 1 (Days 10 to 14), Cycle 2 (Days 14+7)
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Secondary outcome [6]
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Pharmacodynamics: Number of Participants With Mitogen-Activated Protein Kinase (MAPK) Inhibition, as Assessed by Immunohistochemistry (IHC)
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Assessment method [6]
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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.
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Timepoint [6]
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At baseline; Cycle 1: Day 14; at disease progression (Up to 32 months)
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Eligibility
Key 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
1. be previously untreated for locally advanced/unresectable or metastatic melanoma or
2. previously treated but without prior exposure to any BRAF or MEK inhibitor therapy or
3. 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
4. progressed on vemurafenib administered in a postmarketing setting immediately prior to enrollment in this study.
* Life expectancy >/=12 weeks
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key 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
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Non-randomised trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 1
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
17/02/2011
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
12/12/2017
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Sample size
Target
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Accrual to date
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Final
131
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Recruitment in Australia
Recruitment state(s)
VIC
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Recruitment hospital [1]
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Peter Maccallum Cancer Institute; Medical Oncology - Melbourne
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Recruitment postcode(s) [1]
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3000 - Melbourne
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Recruitment outside Australia
Country [1]
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United States of America
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State/province [1]
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California
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Country [2]
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United States of America
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State/province [2]
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Colorado
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Country [3]
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United States of America
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State/province [3]
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Illinois
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Country [4]
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United States of America
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Indiana
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Country [5]
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United States of America
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Michigan
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Country [6]
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United States of America
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State/province [6]
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New York
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Country [7]
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United States of America
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State/province [7]
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Tennessee
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Hoffmann-La Roche
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
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.
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Trial website
https://clinicaltrials.gov/study/NCT01271803
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Trial related presentations / 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.
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Public notes
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Contacts
Principal investigator
Name
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Clinical Trials
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Address
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Hoffmann-La Roche
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Fax
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Email
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Type
Other Details
Attachment
Study protocol
Study Protocol and Statistical Analysis Plan
https://cdn.clinicaltrials.gov/large-docs/03/NCT01271803/Prot_SAP_000.pdf
Statistical analysis plan
Study Protocol and Statistical Analysis Plan
https://cdn.clinicaltrials.gov/large-docs/03/NCT01271803/Prot_SAP_000.pdf
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT01271803
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