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Profile Name BRAF V600E MAP2K1 E203K
Gene Variant Detail

BRAF V600E (gain of function)

MAP2K1 E203K (gain of function)

Relevant Treatment Approaches

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Molecular Profile Indication/Tumor Type Response Type Relevant Treatment Approaches Therapy Name Approval Status Evidence Type Efficacy Evidence References
BRAF V600E MAP2K1 E203K melanoma conflicting Trametinib Preclinical - Cell culture Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 E203K demonstrated resistance to treatment with Mekinist (trametinib) in culture (PMID: 28655712). 28655712
BRAF V600E MAP2K1 E203K melanoma resistant Vemurafenib Preclinical - Cell culture Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 E203K demonstrated resistance to treatment with Zelboraf (vemurafenib) in culture (PMID: 28655712). 28655712
BRAF V600E MAP2K1 E203K melanoma conflicting Ulixertinib Preclinical - Cell culture Actionable In a preclinical study, Ulixertinib (BVD-523) inhibited proliferation of melanoma cells harboring BRAF V600E and expressing MAP2K1 E203K in culture (PMID: 28655712). 28655712
BRAF V600E MAP2K1 E203K melanoma resistant Vemurafenib Preclinical - Cell culture Actionable In a preclinical study, a melanoma cell line harboring BRAF V600E and expressing MAP2K1 E203K was resistant to Zelboraf (vemurafenib) in culture (PMID: 28986383). 28986383
BRAF V600E MAP2K1 E203K melanoma conflicting Trametinib Preclinical - Cell culture Actionable In a preclinical study, Mekinist (trametinib) inhibited growth of a melanoma cell line harboring BRAF V600E and expressing MAP2K1 E203K in culture (PMID: 28986383). 28986383
BRAF V600E MAP2K1 E203K melanoma resistant Cobimetinib Preclinical - Cell culture Actionable In a preclinical study, a melanoma cell line harboring BRAF V600E and expressing MAP2K1 E203K was resistant to Cotellic (cobimetinib) in culture (PMID: 36442478). 36442478
BRAF V600E MAP2K1 E203K melanoma resistant Vemurafenib Preclinical - Cell culture Actionable In a preclinical study, a melanoma cell line harboring BRAF V600E and expressing MAP2K1 E203K was resistant to Zelboraf (vemurafenib) in culture (PMID: 36442478). 36442478
BRAF V600E MAP2K1 E203K melanoma resistant Dabrafenib Preclinical - Cell culture Actionable In a preclinical study, a melanoma cell line harboring BRAF V600E and expressing MAP2K1 E203K was resistant to Tafinlar (dabrafenib) in culture (PMID: 36442478). 36442478
BRAF V600E MAP2K1 E203K melanoma resistant Encorafenib Preclinical - Cell culture Actionable In a preclinical study, a melanoma cell line harboring BRAF V600E and expressing MAP2K1 E203K was resistant to Braftovi (encorafenib) in culture (PMID: 36442478). 36442478
BRAF V600E MAP2K1 E203K melanoma sensitive Cobimetinib + Vemurafenib Preclinical - Cell culture Actionable In a preclinical study, the combination of Zelboraf (vemurafenib) and Cotellic (cobimetinib) synergistically inhibited viability of a melanoma cell line harboring BRAF V600E and expressing MAP2K1 E203K in culture (PMID: 36442478). 36442478
BRAF V600E MAP2K1 E203K melanoma sensitive Dabrafenib + Trametinib Preclinical - Cell culture Actionable In a preclinical study, the combination of Tafinlar (dabrafenib) and Mekinist (trametinib) synergistically inhibited viability of a melanoma cell line harboring BRAF V600E and expressing MAP2K1 E203K in culture (PMID: 36442478). 36442478
BRAF V600E MAP2K1 E203K melanoma sensitive Binimetinib + Encorafenib Preclinical - Cell culture Actionable In a preclinical study, the combination of Braftovi (encorafenib) and Mektovi (binimetinib) synergistically inhibited viability of a melanoma cell line harboring BRAF V600E and expressing MAP2K1 E203K in culture (PMID: 36442478). 36442478
BRAF V600E MAP2K1 E203K colon adenocarcinoma resistant Vemurafenib Preclinical - Cell culture Actionable In a preclinical study, a colon adenocarcinoma cell line harboring BRAF V600E and expressing MAP2K1 E203K was resistant to Zelboraf (vemurafenib) in culture (PMID: 36442478). 36442478
BRAF V600E MAP2K1 E203K colon adenocarcinoma resistant Cobimetinib Preclinical - Cell culture Actionable In a preclinical study, a colon adenocarcinoma cell line harboring BRAF V600E and expressing MAP2K1 E203K was resistant to Cotellic (cobimetinib) in culture (PMID: 36442478). 36442478
BRAF V600E MAP2K1 E203K melanoma conflicting Ulixertinib Preclinical - Cell culture Actionable In a preclinical study, a melanoma cell line harboring BRAF V600E and expressing MAP2K1 E203K was less responsive to Ulixertinib (BVD-523) compared to cells expressing wild-type MAP2K1 in culture (PMID: 36442478). 36442478
BRAF V600E MAP2K1 E203K melanoma decreased response Ravoxertinib Preclinical - Cell culture Actionable In a preclinical study, a melanoma cell line harboring BRAF V600E and expressing MAP2K1 E203K was less responsive to Ravoxertinib (GDC-0994) compared to cells expressing wild-type MAP2K1 in culture (PMID: 36442478). 36442478
BRAF V600E MAP2K1 E203K melanoma conflicting Trametinib Preclinical - Biochemical Actionable In a preclinical study, Mekinist (trametinib) inhibited Erk phosphorylation in a melanoma cell line harboring BRAF V600E and expressing MAP2K1 E203K in culture (PMID: 36442478). 36442478