A Study to Detect V-Raf Murine Sarcoma Viral Oncogene Homolog B1 (BRAF) V600 Mutation on Cell-Free Deoxyribonucleic Acid (cfDNA) From Plasma in Participants With Advanced Melanoma

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Roche

Status and phase

Completed
Phase 2

Conditions

Metastatic Melanoma

Treatments

Drug: Cobimetinib
Drug: Vemurafenib

Study type

Interventional

Funder types

Industry

Identifiers

NCT02768207
2015-001731-20 (EudraCT Number)
ML29741

Details and patient eligibility

About

This is a single arm, multicenter, open label, and non-randomized clinical study on adult participants with unresectable or metastatic melanoma. The study will be conducted in two phases. Pre-screening phase will assess the BRAF V600 mutation in a new mutation analysis triggered by a mutant plasma cfDNA test result. Treatment phase will assess the clinical outcome for the participants treated with vemurafenib plus cobimetinib. The length of the study will be approximately 38 months.

Enrollment

40 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Pre-screening phase:

  • Participants with histologically confirmed cutaneous melanoma, either unresectable Stage IIIc or Stage IV metastatic melanoma, as defined by American Joint Committee on Cancer 7th edition
  • Documentation of BRAF V600 test result mutation-positive status on melanoma tumor tissue using a validated tissue test

Treatment Phase:

  • Eastern Cooperative Oncology Group performance status of 0-2
  • Adequate hematologic and end organ function obtained within 14 days prior to first dose of study drug treatment
  • Negative serum pregnancy test prior to commencement of dosing in women of childbearing potential
  • Absence of any psychological, familial, sociological, or geographical condition that potentially hampers compliance with the study protocol and treatment regimen and follow-up after treatment discontinuation schedule
  • Female participants of childbearing potential and male participants with partners of childbearing potential must agree to always use two effective forms of contraception during the course of this study and for at least 6 months after completion of study therapy
  • Participants should be able to swallow tablets
  • Documentation of BRAF mutation positive status in melanoma tissue

Exclusion criteria

Treatment Phase:

  • History of prior rapidly accelerated fibrosarcoma or mitogen-activated protein kinase pathway inhibitor treatment
  • Use of prior chemotherapy or immunotherapy (including treatment with an anti-programmed death 1, or anti- programmed death ligand 1 or anti-cytotoxic T-lymphocyte-associated protein 4 monoclonal antibody) within 4 weeks before first study drug administration
  • Palliative radiotherapy within 14 days prior to the first dose of study treatment
  • Evidence of retinal pathology on ophthalmologic examination
  • Systemic risk factors for retinal vein occlusion
  • History of clinically significant cardiac dysfunction
  • Current severe, uncontrolled systemic disease
  • Pregnancy, lactating or breast feeding
  • Intake of St. John's wort or hyperforin (a potent cytochrome P450 3A4 [CYP3A4 enzyme inducer] and grapefruit juice (a potent CYP3A4 enzyme inhibitor) at least 7 days prior to initiation of and during the study treatment

Trial design

Primary purpose

Screening

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

40 participants in 1 patient group

Treatment Phase: Vemurafenib+Cobimetinib
Experimental group
Description:
Participants with BRAF V600 mutation will receive vemurafenib 960 milligrams (mg) tablets orally twice daily (BID) on Days 1 to 28 along with cobimetinib 60 mg tablets orally once daily (OD) for 21 consecutive days (Days 1 to 21) of each 28-day cycle until disease progression, consent withdrawal, or the development of unacceptable toxicity.
Treatment:
Drug: Vemurafenib
Drug: Cobimetinib

Trial contacts and locations

14

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Data sourced from clinicaltrials.gov

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