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A Study Comparing Vemurafenib Versus Vemurafenib Plus Cobimetinib in Participants With Metastatic Melanoma

CompletedPhase 3

Sponsor: Hoffmann-La Roche

Conditions: Malignant Melanoma

Interventions: Placebo, Vemurafenib, Cobimetinib

Countries: United States, Australia, Austria, Belgium, Canada, Czechia, France, Germany

To evaluate the efficacy of vemurafenib in combination with cobimetinib (GDC-0973), compared with vemurafenib and placebo, in previously untreated BRAF V600 mutation-positive patients with unresectable locally advanced or metastatic melanoma, as measured by progression-free survival (PFS), assessed by the study site investigator.

Eligibility overview

Sex: ALL

Age: 18 Years to —

Healthy volunteers: No

Study type: INTERVENTIONAL

Eligibility criteria

Inclusion Criteria:

* Participants with histologically confirmed melanoma, either unresectable stage IIIc or stage IV metastatic melanoma, as defined by the American Joint Committee on Cancer 7th edition. Unresectability of stage IIIc disease must have confirmation from a surgical oncologist
* Participants must be naïve to treatment for locally advanced unresectable or metastatic disease (ie, no prior systemic anti-cancer therapy for advanced disease; stage IIIc and IV). Prior adjuvant immunotherapy (including ipilimumab) is allowed
* Documentation of BRAF V600 mutation-positive status in melanoma tumor tissue (archival or newly obtained tumor samples) using the cobas 4800 BRAF V600 mutation test
* Measurable disease per RECIST v1.1
* Eastern Clinical Oncology Group performance status of 0 or 1
* Consent to provide archival for biomarker analyses
* Consent to undergo tumor biopsies for biomarker analyses
* Life expectancy greater than or equal to (≥) 12 weeks
* Adequate hematologic and end organ function

Exclusion Criteria:

* History of prior rapidly accelerated fibrosarcoma or mitogen-activated protein kinase pathway inhibitor treatment
* Palliative radiotherapy within 14 days prior to the first dose of study treatment
* Major surgery or traumatic injury within 14 days prior to first dose of study treatment
* Active malignancy other than melanoma that could potentially interfere with the interpretation of efficacy measures. Participants with a previous malignancy within the past 3 years are excluded except for participants with resected basal cell carcinoma or squamous cell carcinoma of the skin, melanoma in-situ, carcinoma in-situ of the cervix, and carcinoma in-situ of the breast
* History of or evidence of retinal pathology on ophthalmological examination that is considered a risk factor for neurosensory retinal detachment, retinal vein occlusion, or neovascular macular degeneration
* Uncontrolled glaucoma with intraocular pressure
* Serum cholesterol ≥ Grade 2
* Hypertriglyceridemia ≥ Grade 2
* Hyperglycemia (fasting) ≥ Grade 2
* History of clinically significant cardiac dysfunction
* Participants with active central nervous system (CNS) lesions (including carcinomatous meningitis) are excluded. However, participants are eligible if:

  1. All known CNS lesions have been treated with stereotactic therapy or surgery, AND
  2. There has been no evidence of clinical and radiographic disease progression in the CNS for ≥ 3 weeks after radiotherapy or surgery
* Current severe, uncontrolled systemic disease
* History of malabsorption or other condition that would interfere with absorption of study drugs
* Pregnant, lactating, or breast feeding women

Locations (156)

Birmingham, Alabama, United States
Los Angeles, California, United States
Sacramento, California, United States
Santa Rosa, California, United States
Aurora, Colorado, United States
Fort Myers, Florida, United States
Miami Beach, Florida, United States
Orlando, Florida, United States
Chicago, Illinois, United States
Kansas City, Kansas, United States
Louisville, Kentucky, United States
St Louis, Missouri, United States
Lebanon, New Hampshire, United States
Winston-Salem, North Carolina, United States
Cleveland, Ohio, United States
Bethlehem, Pennsylvania, United States
Philadelphia, Pennsylvania, United States
Pittsburgh, Pennsylvania, United States
Providence, Rhode Island, United States
Nashville, Tennessee, United States
Camperdown, New South Wales, Australia
Gateshead, New South Wales, Australia
Lismore, New South Wales, Australia
North Sydney, New South Wales, Australia
Woolloongabba, New South Wales, Australia
Casuarina, Northern Territory, Australia
Greenslopes, Queensland, Australia
Herston, Queensland, Australia
Adelaide, South Australia, Australia
Ashford SA, South Australia, Australia
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