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Abstract
Introduction: BRAF inhibition alone has achieved unprecedented efficacy results in patients affected by BRAF-mutated advanced melanoma. Since these findings, it was postulated that dual inhibition of BRAF and other components of the RAS/RAF/MEK/ERK MAPK pathway (such as MEK) would be superior to BRAF inhibition as monotherapy. A series of recent clinical trials have confirmed this hypothesis.
Areas covered: In this article, the biological rationale for both single and concomitant inhibitions of the MAPK pathway in BRAF mutant melanoma is provided. Moreover, available clinical data on the efficacy and toxicity of BRAF and MEK inhibition as single agents and in combination are extensively reviewed.
Expert opinion: Dual BRAF and MEK inhibition in advanced BRAF-mutated melanoma is superior to single inhibition in terms of efficacy without significant increase in toxicity. Therefore, BRAF plus MEK inhibition is expected to supersede single-agent BRAF inhibition in these patients in the near future.
Declaration of interest
The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.
Notes
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