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Ref Type Journal Article
PMID (28984141)
Authors Brown NF, Carter T, Kitchen N, Mulholland P
Title Dabrafenib and trametinib in BRAFV600E mutated glioma.
Journal CNS oncology
Vol 6
Issue 4
Date 2017 10
URL
Abstract Text BRAFV600E mutations have been identified in a number of glioma subtypes, most frequently in pleomorphic xanthoastrocytoma, ganglioglioma, pilocytic astrocytoma, and epithelioid glioblastoma. Although the development of BRAF inhibitors has dramatically improved the clinical outcome for patients with BRAFV600E mutant tumors, resistance develops in a majority of patients due to reactivation of the MAPK pathway. Addition of MEK inhibition to BRAF inhibition improves survival. Here we report successful treatment of two patients with BRAFV600E mutant pleomorphic xanthoastrocytoma using the BRAF inhibitor dabrafenib in combination with the MEK inhibitor trametinib.

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Molecular Profile Treatment Approach
Gene Name Source Synonyms Protein Domains Gene Description Gene Role
Therapy Name Drugs Efficacy Evidence Clinical Trials
Drug Name Trade Name Synonyms Drug Classes Drug Description
Gene Variant Impact Protein Effect Variant Description Associated with drug Resistance
Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
BRAF V600E anaplastic pleomorphic xanthoastrocytoma predicted - sensitive Dabrafenib + Trametinib Case Reports/Case Series Actionable In a clinical case study, Mekinist (trametinib) and Tafinlar (dabrafenib) combination treatment resulted in an ongoing partial response 8 months after initiation of treatment in a patient with anaplastic pleomorphic xanthoastrocytoma harboring BRAF V600E, and a near complete response after 3 months of treatment in another patient with relapsed disease (PMID: 28984141). 28984141