Therapy Detail
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| Therapy Name | Alpelisib + Cetuximab + Encorafenib |
| Synonyms | |
| Therapy Description | |
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| Drug Name | Trade Name | Synonyms | Drug Classes | Drug Description |
|---|---|---|---|---|
| Alpelisib | Piqray | BYL719 | PIK3CA inhibitor 24 | Piqray (alpelisib) is a selective PIK3CA inhibitor that blocks activation of the PI3K signaling pathway and inhibits tumor growth (PMID: 23726034). Piqray (alpelisib) is FDA approved in combination with fulvestrant for use in postmenopausal women, and men, with advanced or metastatic hormone receptor (HR)-positive, ERBB2 (HER2)-negative, PIK3CA-mutant breast cancer (FDA.gov). |
| Cetuximab | Erbitux | IMC-C225 | EGFR Antibody 60 | 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 25 | 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 patients with metastatic non-small cell lung cancer harboring BRAF V600E, 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 V600E NRAS G13R | colorectal cancer | predicted - resistant | Alpelisib + Cetuximab + Encorafenib | Case Reports/Case Series | Actionable | In a clinical case study, a patient with BRAF V600E colorectal cancer developed progressive disease after a partial response lasting 24 weeks to Alpelisib (BYL719), Erbitux (cetuximab), and Braftovi (encorafenib) combination treatment, NRAS G13R was identified as an acquired mutation in liver metastasis at the time of progression (PMID: 28951457). | 28951457 |
| BRAF V600E | colorectal cancer | sensitive | Alpelisib + Cetuximab + Encorafenib | Preclinical - Cell culture | Actionable | In a preclinical study, combination therapy consisting of Erbitux (cetuximab), Encorafenib (LGX818) and Alpelisib (BYL719) inhibited survival of colorectal cancer cell lines harboring BRAF V600E in culture (PMID: 27312529). | 27312529 |
| BRAF V600E | colorectal cancer | sensitive | Alpelisib + Cetuximab + Encorafenib | Phase Ib/II | Actionable | In a Phase Ib/II trial, treatment with the combination of Braftovi (encorafenib), Erbitux (cetuximab), and Piqray (alpelisib) resulted in an overall response rate of 18% (5/28), including 5 patients with a partial response, and led to a median progression free survival of 4.2 months and response duration of 12 weeks in colorectal cancer patients harboring BRAF V600E (PMID: 28363909; NCT01719380). | 28363909 |
| BRAF V47_D380del BRAF V600E | colorectal cancer | predicted - resistant | Alpelisib + Cetuximab + Encorafenib | Case Reports/Case Series | Actionable | In a clinical case study, a patient with BRAF V600E colorectal cancer developed progressive disease after a partial response lasting 24 weeks to Alpelisib (BYL719), Erbitux (cetuximab), and Braftovi (encorafenib) combination treatment, BRAF V47_D380del (reported as deletion of exons 2-8) was identified as an acquired mutation in peritoneal metastasis at the time of progression (PMID: 28951457). | 28951457 |
| BRAF V600E MAP2K1 L115P | colorectal cancer | sensitive | Alpelisib + Cetuximab + Encorafenib | Preclinical - Cell culture | Actionable | In a preclinical study, combination therapy consisting of Erbitux (cetuximab), Encorafenib (LGX818) and Alpelisib (BYL719) 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 | Covered Countries | Other Countries |
|---|---|---|---|---|---|---|
| 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 | USA | NOR | NLD | ITA | FRA | ESP | DEU | CAN | BEL | AUS | 2 |
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