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Ref Type Journal Article
PMID (24523613)
Authors Connolly K, Brungs D, Szeto E, Epstein RJ
Title Anticancer activity of combination targeted therapy using cetuximab plus vemurafenib for refractory BRAF (V600E)-mutant metastatic colorectal carcinoma.
Journal Current oncology (Toronto, Ont.)
Vol 21
Issue 1
Date 2014 Feb
URL
Abstract Text Mismatch-repair-deficient colorectal cancers often contain kinase-activating V600E BRAF mutations, but no clinical utility has yet been demonstrated in this setting for monotherapy using oral braf kinase inhibitors such as vemurafenib or dabrafenib. Recent studies have indicated that tumour resistance to braf inhibition is mediated by upregulated epidermal growth factor receptor (egfr) signalling, disruption of which is a routine treatment strategy in KRAS wild-type colorectal cancer. In this report, we describe the clinical course of a heavily pretreated patient who elected to receive off-label dual-targeted braf- and egfr-inhibitory therapy with good tolerance and apparent clinical benefit.

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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 colorectal cancer sensitive Cetuximab + Vemurafenib Case Reports/Case Series Actionable In a clinical case study, the combination of Zelboraf (vemurafenib) and Erbitux (cetuximab) was tolerated and showed clinical benefit in a patient with BRAF V600E mutant colorectal cancer (PMID: 24523613). 24523613