~56 spots leftby Apr 2026

Atezolizumab + Cobimetinib + Vemurafenib for Melanoma

Recruiting at 132 trial locations
Age: 18+
Sex: Any
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Phase 3
Waitlist Available
Sponsor: Hoffmann-La Roche
No Placebo Group
Pivotal Trial (Near Approval)
Prior Safety Data
Breakthrough Therapy

Trial Summary

What is the purpose of this trial?

This is a Phase III, double-blinded, placebo-controlled, randomized, multicenter study designed to evaluate the efficacy, safety, and pharmacokinetics of atezolizumab + cobimetinib + vemurafenib compared with placebo + cobimetinib + vemurafenib in patients with previously untreated BRAFv600 mutation-positive metastatic or unresectable locally advanced melanoma.

Research Team

CT

Clinical Trials

Principal Investigator

Hoffmann-La Roche

Eligibility Criteria

This trial is for adults with untreated BRAFv600 mutation-positive advanced melanoma. They must be able to use effective contraception, have no other cancers or severe diseases, and not be pregnant or breastfeeding. Participants should have a life expectancy of at least 18 weeks and an ECOG status of 0 or 1, indicating they are fully active or restricted in physically strenuous activity but ambulatory.

Inclusion Criteria

You are expected to live for at least 18 weeks.
My blood thinner medication and INR levels have been stable for the last 28 days.
I will avoid exposing pregnant partners to sperm and not donate sperm for 6 months after treatment.
See 8 more

Exclusion Criteria

My heart's pumping ability is below normal or less than 50%.
You are allergic to certain biopharmaceutical drugs.
I have not had cancer, other than BRAFv600 positive melanoma, in the last 3 years.
See 18 more

Treatment Details

Interventions

  • Atezolizumab (Monoclonal Antibodies)
  • Cobimetinib (Protein Kinase Inhibitor)
  • Vemurafenib (Protein Kinase Inhibitor)
Trial OverviewThe study tests the effectiveness and safety of combining Atezolizumab (an immunotherapy drug) with Cobimetinib and Vemurafenib (targeted cancer therapies) versus placebo versions in patients who haven't had systemic anti-cancer treatment for their melanoma. It's a Phase III trial where participants are randomly assigned to either the drug combination or placebo group.
Participant Groups
2Treatment groups
Experimental Treatment
Group I: Atezolizumab Placebo + Cobimetinib + VemurafenibExperimental Treatment3 Interventions
Run-In Period (Cycle1=28 days): Participants will receive vemurafenib 960 milligrams (mg) (four, 240 mg tablets) orally (PO) twice a day (BID) along with cobimetinib 60 mg (three, 20 mg tablets) PO once a day (QD) on Days 1 to 21 followed by vemurafenib 960 mg (four, 240 mg tablets) PO BID on Days 22 to 28. Triple Combination Period (Cycle 1 onwards): Participants will receive ATZ placebo by intravenous (IV) infusion on Day 1 and 15, cobimetinib 60 mg (three, 20 mg tablets) PO QD on Days 1 to 21, and vemurafenib 960 mg (four, 240 mg tablets) PO BID on Days 1 to 28 of each 28-day cycle. Study treatment will continue until investigator-determined disease progression, death, unacceptable toxicity, withdrawal of consent, or pregnancy, whichever occurs first.
Group II: Atezolizumab + Cobimetinib + Vemurafenib + Vemurafenib PlaceboExperimental Treatment4 Interventions
Run-In Period (Cycle 1=28 days): Participants will receive vemurafenib 960 mg (four, 240 mg tablets) PO BID along with cobimetinib 60 mg (three, 20 mg tablets) PO QD on Days 1 to 21 followed by vemurafenib 720 mg (three, 240 mg tablets) PO BID on Days 22 to 28 and vemurafenib placebo (1 tablet) PO BID on Days 22 to 28. Triple Combination Period (Cycle 1 onwards): Participants will receive atezolizumab 840 mg IV infusion on Day 1 and 15, cobimetinib 60 mg (three, 20 mg tablets) PO QD on Days 1 to 21, vemurafenib 720 mg (three, 240 mg tablets) PO BID on Days 1 to 28, and vemurafenib placebo (1 tablet) PO BID on Days 1 to 28 of each 28-day cycle. Study treatment will continue until investigator-determined disease progression, death, unacceptable toxicity, withdrawal of consent, or pregnancy, whichever occurs first.

Find a Clinic Near You

Who Is Running the Clinical Trial?

Hoffmann-La Roche

Lead Sponsor

Trials
2,482
Recruited
1,107,000+
Headquarters
Basel, Switzerland
Known For
Precision medicine
Top Products
Avastin, Herceptin, Rituxan, Accu-Chek
Dr. Levi Garraway profile image

Dr. Levi Garraway

Hoffmann-La Roche

Chief Medical Officer since 2019

MD from the University of Basel

Dr. Thomas Schinecker profile image

Dr. Thomas Schinecker

Hoffmann-La Roche

Chief Executive Officer since 2023

PhD in Molecular Biology from New York University