Therapy Detail

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Therapy Name Cetuximab + Encorafenib
Synonyms
Therapy Description

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Drug Name Trade Name Synonyms Drug Classes Drug Description
Cetuximab Erbitux IMC-C225 EGFR Antibody 29 Erbitux (cetuximab) is a monoclonal antibody directed against EGFR, which inhibits signal transduction and cell proliferation (PMID: 28695301). Erbitux (cetuximab) is FDA approved for use in head and neck squamous cell carcinoma and KRAS wild-type, EGFR positive colorectal cancer (FDA.gov).
Encorafenib Braftovi LGX818 BRAF Inhibitor 20 Braftovi (encorafenib) is an inhibitor of Raf kinase with selective activity against BRAF V600E, resulting in growth inhibition (PMID: 24864047). Braftovi (encorafenib) is FDA approved for use in combination with Mektovi (binimetinib) in patients with unresectable or metastatic melanoma with a BRAF V600E or V600K mutation, and in combination with Erbitux (cetuximab) in patients with metastatic colorectal cancer with BRAF V600E(FDA.gov).

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
BRAF mutant colorectal cancer sensitive Cetuximab + Encorafenib Phase Ib/II Actionable In a Phase Ib/II trial, the combination therapy of Erbitux (cetuximab) and Encorafenib (LGX818) in colorectal cancer patients harboring a BRAF mutation resulted in an overall response rate of 19% (5/26), including 1 patient with a complete response and 4 patients with a partial response, and led to a median progression free survival of 3.7 months and response duration of 46 weeks (PMID: 28363909). 28363909
BRAF V600E colorectal cancer sensitive Cetuximab + Encorafenib FDA approved - On Companion Diagnostic Actionable In a Phase III (BEACON CRC) trial that supported FDA approval, Braftovi (encorafenib) and Erbitux (cetuximab) combination treatment (n=113) resulted in improved median overall survival (8.4 vs 5.4 months, HR=0.60, p<0.001), confirmed response rate (20% vs 2%, p<0.001), and median progression-free survival (4.2 vs 1.5 months, HR=0.40, p<0.001) compared to control (n=107) in patients with metastatic colorectal cancer harboring BRAF V600E (PMID: 31566309; NCT02928224). detail... 31566309
BRAF V600E colorectal cancer sensitive Cetuximab + Encorafenib Preclinical - Cell culture Actionable In a preclinical study, combination therapy consisting of Erbitux (cetuximab) and Encorafenib (LGX818) inhibited survival of colorectal cancer cell lines harboring BRAF V600E in culture (PMID: 27312529). 27312529
BRAF V600E MAP2K1 V211D colorectal cancer resistant Cetuximab + Encorafenib Preclinical - Cell culture Actionable In a preclinical study, colorectal cancer cells harboring BRAF V600E that acquired a MAP2K1 V211D mutation and subsequent resistance to Erbitux (cetuximab) and Selumetinib (AZD6244) combination treatment were resistant to combination therapy consisting of Erbitux (cetuximab) and Encorafenib (LGX818) in culture (PMID: 27312529). 27312529
BRAF V600E MAP2K1 L115P colorectal cancer sensitive Cetuximab + Encorafenib Preclinical - Cell culture Actionable In a preclinical study, combination therapy consisting of Erbitux (cetuximab) and Encorafenib (LGX818) inhibited survival of colorectal cancer cells harboring BRAF V600E that acquired a MAP2K1 L115P mutation and subsequent resistance to Tafinlar (dabrafenib) and Mekinist (trametinib) combination treatment in culture (PMID: 27312529). 27312529

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Clinical Trial Phase Therapies Title Recruitment Status
NCT01719380 Phase Ib/II Cetuximab + Encorafenib Alpelisib + Cetuximab + Encorafenib Study of LGX818 and Cetuximab or LGX818, BYL719, and Cetuximab in BRAF Mutant Metastatic Colorectal Cancer Completed
NCT02928224 Phase III Cetuximab + Encorafenib Binimetinib + Cetuximab + Encorafenib Cetuximab + Irinotecan Cetuximab + Fluorouracil + Irinotecan + Leucovorin Study of Encorafenib + Cetuximab Plus or Minus Binimetinib vs. Irinotecan/Cetuximab or Infusional 5-Fluorouracil (5-FU)/Folinic Acid (FA)/Irinotecan (FOLFIRI)/Cetuximab With a Safety Lead-in of Encorafenib + Binimetinib + Cetuximab in Patients With BRAF V600E-mutant Metastatic Colorectal Cancer (BEACON CRC) Active, not recruiting


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