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Ref Type Journal Article
PMID (26490654)
Authors Combe P, Chauvenet L, Lefrère-Belda MA, Blons H, Rousseau C, Oudard S, Pujade-Lauraine E
Title Sustained response to vemurafenib in a low grade serous ovarian cancer with a BRAF V600E mutation.
Journal Investigational new drugs
Vol 33
Issue 6
Date 2015 Dec
URL
Abstract Text Low-grade serous ovarian adenocarcinomas (LGSOC) make up approximately 10 % of serous ovarian carcinomas. While rarely aggressive, this slow-growing tumor is well known to respond poorly to chemotherapy. Specific treatments for this ovarian subtype are lacking, with the same global approaches used for high grade cases being applied for LGSOC patients. LGSOCs have been reported to have a specific genetic profile, with notable implication of the MAPK pathway. This has opened up opportunities for novel therapeutic strategies, with in particular the use of targeted therapies. We report here the case of a heavily pretreated unresectable BRAF p.V600E-mutated LGSOC, which we treated vemurafenib, a BRAF inhibitor specific for V600E mutations. We saw impressive efficacy, with a long-term partial response along with CA125 reductions and symptom relief. Although this mutation is present in LGSOC at very a low incidence, we recommend routine testing for BRAF and other targetable mutations in this patient population, along with further evaluation in the increasingly popular basket trial approach.

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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 ovary serous adenocarcinoma predicted - sensitive Vemurafenib Case Reports/Case Series Actionable In a clinical case study, Zelboraf (vemurafenib) treatment resulted in a partial response lasting more than 21 months in a patient with low grade serous ovarian adenocarcinoma harboring BRAF V600E (PMID: 26490654). 26490654