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|Authors||Venkatesh A, Joshi A, Allinson K, Das T, Santarius T, Jefferies SJ, Harris FP, Jena R, Doherty GJ|
|Title||Response to BRAF and MEK1/2 inhibition in a young adult with BRAF V600E mutant epithelioid glioblastoma multiforme: A Case Report and Literature Review.|
|Journal||Current problems in cancer|
|Date||2021 Jan 12|
|Abstract Text||Epithelioid glioblastoma multiforme (eGBM) is a rare and aggressive variant of glioblastoma multiforme (GBM) that predominantly affects younger patients and can be difficult to distinguish from other gliomas. Data on how patients with eGBM might be best treated are limited, although genomic analyses have shown that almost half of tumours harbour activating BRAF gene mutations. Here we present the case of a young female with BRAF V600E-mutant eGBM who had a prolonged response to targeted therapy with the BRAF and MEK1/2 inhibitors dabrafenib and trametinib. We review current knowledge about eGBM, including the emerging role for BRAF- ± MEK1/2- targeted therapy.|
|Molecular Profile||Treatment Approach|
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|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||brain glioblastoma multiforme||predicted - sensitive||Dabrafenib + Trametinib||Case Reports/Case Series||Actionable||In a clinical case study, Tafinlar (dabrafenib) and Mekinist (trametinib) combination therapy resulted in tumor shrinkage after 2 months in a patient with epithelioid glioblastoma multiforme harboring BRAF V600E, who had progressed after resection, radiotherapy, and chemotherapy, and following an interruption in therapy due to toxicity demonstrated a partial response and remained progression-free for 19 months, prior to progressing 29 months after initiation of therapy (PMID: 33461766).||33461766|