Effectiveness of dabrafenib in the treatment of patients with braf v600-mutated metastatic melanoma in a named patient program: Melanoma Research

S. Martin-Algarra, R. Hinshelwood, S. Mesnage, J. Cebon, P.F. Ferrucci, M. Aglietta, B. Neyns, V. Chiarion-Sileni, C.R. Lindsay, M. Del Vecchio, H. Linardou, B. Merelli, G. Tonini, V. Atkinson, K. Freivogel, D. Stein, L. Dalland, M. Lau, P. Legenne, P. QueiroloM. Millward

Research output: Contribution to journalArticlepeer-review

Abstract

Given the approval of dabrafenib in patients with BRAF-mutant metastatic melanoma, a better understanding of treatment patterns and clinical outcomes with dabrafenib in a clinical setting is warranted. We performed a retrospective chart review of patients who received dabrafenib in a compassionate use setting through the Named Patient Program (DESCRIBE I study) during December 2010-August 2013 in Europe, New Zealand and Australia. Of the 331 Named Patient Program patients included, the majority (95.8%) had stage IV disease at dabrafenib initiation and 39.9% had brain metastases (BMs). Dabrafenib was used first line in 67.7% of patients, and median treatment duration was 6.4 months. Dabrafenib was well tolerated. Common grade 2/3 adverse events were hyperkeratosis (7.6%), pyrexia/fever (6.6%), fatigue (5.1%), hand-foot syndrome (5.4%) and nausea (3.6%). Overall response rate was 45.9%, median progression-free survival was 5.2 months (95% confidence interval, 4.2-6.1 months), and median overall survival was 12.4 months (95% confidence interval, 10.2-15.0 months). In patients with known brain metastases (n = 132) versus patients without (n = 199), overall response rate was 42.4% versus 48.2%, progression-free survival was 3.9 months (95% confidence interval, 3.8-5.5 months) versus 5.9 months (95% confidence interval, 4.8-7.8 months) and overall survival was 9.5 months (95% confidence interval, 6.7-12.4 months) versus 15 months (95% confidence interval, 11.1-20.5 months), respectively. Safety and effectiveness of dabrafenib in patients with unresectable advanced BRAF V600-mutant melanoma treated in an Named Patient Program was similar to the clinical trial experience, demonstrating effectiveness of dabrafenib in a nontrial setting. © 2019 Wolters Kluwer Health, Inc. All rights reserved.
Original languageEnglish
Pages (from-to)527-532
Number of pages6
JournalMelanoma Res.
Volume29
Issue number5
DOIs
Publication statusPublished - 2019

Keywords

  • BRAF
  • dabrafenib
  • melanoma
  • retrospective studies
  • trametinib

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