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Dabrafenib Plus Trametinib vs Vemurafenib Alone in Unresectable or Metastatic BRAF V600E/K Cutaneous Melanoma (COMBI-v)

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Last updated:23rd Feb 2021
Status: COMPLETED
Dabrafenib Plus Trametinib vs Vemurafenib Alone in Unresectable or Metastatic BRAF V600E/‚ÄčK Cutaneous Melanoma (COMBI-v)


ClinicalTrials.gov ID: NCT01597908

Sponsor: Novartis Pharmaceuticals
Information provided by: Novartis (Novartis Pharmaceuticals) (Responsible Party)
Last Update Posted: 2021-02-24

Brief Summary:
This was a two-arm, open-label, randomized, Phase III study comparing dabrafenib (GSK2118436) and trametinib (GSK1120212) combination therapy with vemurafenib.

Detailed Description:
Screening/Subject eligibility: Subjects with histologically confirmed cutaneous melanoma that was either unresectable or metastatic (Stages IIIC or IV), were screened for eligibility. Eligible subjects were BRAF V600E or V600K mutation positive. Subjects who had prior systemic anti-cancer treatment in the advanced or metastatic setting were not eligible although prior systemic treatment in the adjuvant setting was allowed.

Randomization: A total of 704 subjects were randomized in a ratio of 1:1 to receive combination therapy (352 subjects) or vemurafenib treatment (352 subjects). Subjects were stratified by LDH level (> the ULN versus =< ULN) and BRAF mutation (V600E versus V600K).

Study treatment: Dabrafenib and trametinib were administered orally at their recommended doses of 150 mg b.i.d. and 2.0 mg once daily, respectively. Subjects randomized in the combination therapy arm received both the agents. Subjects randomized in the vemurafenib arm received vemurafenib at the recommended dose of 960 mg orally b.i.d. Subjects in both the arms continued treatment until disease progression, death, unacceptable toxicity, or withdrawal of consent. The protocol was amended on 07-Aug-2014 which allowed subjects who were still receiving vemurafenib to cross over to the dabrafenib and trametinib combination arm, including those subjects who were still receiving vemurafenib monotherapy treatment after disease progression. A washout period of a minimum of 7 days was considered prior to initiating dabrafenib in combination with trametinib. Subjects who experienced disease progression on the vemurafenib monotherapy arm, discontinued vemurafenib monotherapy, and subsequently received another anticancer therapy were ineligible for cross over to the dabrafenib and trametinib combination arm.

Follow-up/Study closure: After study treatment discontinuation, subjects were followed for survival and disease progression as applicable. This study completed once all the subjects had at least the 5-years of follow-up.

Official Title:
A Phase III, Randomised, Open-label Study Comparing the Combination of the BRAF Inhibitor, Dabrafenib and the MEK Inhibitor, Trametinib to the BRAF Inhibitor Vemurafenib in Subjects With Unresectable (Stage IIIc) or Metastatic (Stage IV) BRAF V600E/K Mutation Positive Cutaneous Melanoma

Intervention / Treatment:
Drug: Dabrafenib
Drug: Vemurafenib
Drug: Trametinib

Category Value
Study Start (Actual) 2012-06-04
Primary Completion (Actual)
2014-04-17
Study Completion (Actual)
2019-04-25
Enrollment (Actual) 704
Study Type Interventional
Phase Phase 3
Other Study ID Numbers
116513

CDRB436B2302 (Other Identifier) (OTHER: Novartis)

2011-006088-23 (EudraCT Number)


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