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Defining and Targeting BRAF Mutations in Solid Tumors.

Authors:
Briana R Halle Douglas B Johnson

Curr Treat Options Oncol 2021 Feb 27;22(4):30. Epub 2021 Feb 27.

Department of Medicine, Vanderbilt University Medical Center and Vanderbilt Ingram Cancer Center, 777 PRB, 2220 Pierce Ave., Nashville, TN, 37232, USA.

Opinion Statement: BRAF mutations are present in up to 8% of human cancers, and comprise a viable therapeutic target in many patients harboring these mutations. Specific BRAF-targeted therapies, such as vemurafenib, dabrafenib, and encorafenib, have transformed treatment of many BRAF-mutated cancers, producing meaningful clinical benefit with more tolerable safety profiles compared to prior standard-of-care treatments. BRAF inhibitors were first approved for use in metastatic melanoma, although resistance almost always limited their long-term effectiveness. Combination therapy with BRAF and MEK inhibitors has proven effective in delaying the onset of resistance, and produces additional clinical benefit across cancers. Although not promising initially in treatment of BRAF-mutated colorectal carcinoma, BRAF inhibitors in colorectal cancer were successfully combined with EGFR inhibitors, resulting in significant treatment response. Refining the use of BRAF and MEK inhibitors in less common tumor types (and for non-V600 mutations) and delaying the development of resistance remain pertinent future considerations in treating BRAF-mutated cancers. In this review, we will discuss the prevalence of BRAF mutations across human cancers and evidence on the efficacy and safety of current management strategies for various BRAF-mutant solid tumors.

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http://dx.doi.org/10.1007/s11864-021-00827-2DOI Listing
February 2021

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