Study of Dabrafenib+Trametinib in the Adjuvant Treatment of Stage III BRAF V600+ Melanoma After Complete Resection to Evaluate the Impact on Pyrexia Related Outcomes

Official Title

COMBI-APlus: Open-label, Phase IIIb Study of Dabrafenib in COMBInation With Trametinib in the Adjuvant Treatment of Stage III BRAF V600 Mutation-positive Melanoma After Complete Resection to Evaluate the Impact on Pyrexia Related Outcomes of an Adapted Pyrexia AE-management Algorithm (Plus)


This is an open-label Phase IIIb study of dabrafenib in combination with trametinib in the adjuvant treatment of melanoma after complete resection to evaluate the impact on pyrexia related outcomes of an adapted pyrexia AE-management algorithm, as well as safety, efficacy and health-related outcomes. Approximately 600 subjects will be enrolled to receive dabrafenib (150 mg BID) and trametinib (2 mg once daily) combination therapy for 12 months. At enrollment, subjects will be instructed on the pyrexia management algorithm. This study consists of two Periods for Enrolled subjects: - Treatment Period - subjects will receive up to 12 months of treatment. - Follow-up Period - subjects will be followed through 24 months from their first dose date for relapse, and through end of study for overall survival. Follow-up will start once treatment is complete or is prematurely discontinued and continue through the end of the study, regardless of disease recurrence.

Trial Description

Primary Outcome:

  • Change from baseline in composite rate of pyrexia related events
Secondary Outcome:
  • Relapse free survival (RFS) from the first dose to disease recurrence or death from any cause
  • Overall Survival (OS) from the first dose to date of death due to any cause
  • Percentage of patients who require management of pyrexia
  • The percentage of participants who permanently discontinued treatment due to any Adverse event
  • Change From Baseline in Subject-reported Quality of Life Assessed by Functional Assessment Cancer Therapy - Melanoma Total Score (FACT-M MS)

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Canadian Cancer Society

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