Trametinib in the treatment of melanoma

Ramya Thota, Douglas B. Johnson, Jeffrey A. Sosman*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Introduction: Aberrant MAPK pathway signaling is a hallmark of melanoma. Mitogen/extracellular signal-regulated kinase (MEK) 1/2 are integral components of MAPK signaling. Several MEK inhibitors have demonstrated activity as single agents and in combination with other therapies. Trametinib was the first MEK inhibitor approved for use in treatment of advanced BRAFV600 mutant melanoma as a single agent and in combination with BRAF inhibitor, dabrafenib.Areas covered: In this article, we discuss the underlying biology of MEK inhibition and its rationale in melanoma treatment with special emphasis on the clinical development of trametinib, from initial Phase I studies to randomized Phase II and III studies, both as monotherapy and in combination with other therapeutics. Furthermore, we briefly comment on trametinib for NRAS mutant and other non-BRAF mutant subsets of melanoma.Expert opinion: Trametinib is a novel oral MEK inhibitor with clinical activity in BRAFV600 mutant metastatic melanoma alone and in combination with dabrafenib. Trametinib is currently being explored in other genetic subsets as well, particularly those with NRAS mutations or atypical BRAF alterations. Furthermore, to maximize efficacy and overcome acquired resistance, studies evaluating the combination of trametinib with other targeted agents and immunotherapy are underway.

Original languageEnglish (US)
Pages (from-to)735-747
Number of pages13
JournalExpert Opinion on Biological Therapy
Volume15
Issue number5
DOIs
StatePublished - May 1 2015

Keywords

  • BRAF
  • GSK1120212
  • Melanoma
  • Mitogen/extracellular kinase inhibitor
  • Molecularly targeted therapy
  • NRAS
  • Trametinib

ASJC Scopus subject areas

  • Pharmacology
  • Drug Discovery
  • Clinical Biochemistry

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