Molecular Profile Detail

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Profile Name BRAF N486_P490del
Gene Variant Detail

BRAF N486_P490del (gain of function)

Relevant Treatment Approaches MEK inhibitor (Pan) MEK1 Inhibitor MEK2 Inhibitor LY3009120

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Molecular Profile Indication/Tumor Type Response Type Relevant Treatment Approaches Therapy Name Approval Status Evidence Type Efficacy Evidence References
BRAF N486_P490del ovarian cancer sensitive LY3009120 LY3009120 Preclinical Actionable In a preclinical study, an ovarian cancer cell line harboring BRAF N486_P490del was sensitive to LY3009120, resulting in inhibition of cell growth and decreased phosphorylation of MEK and ERK in culture (PMID: 26732095). 26732095
BRAF N486_P490del ovarian cancer sensitive MEK inhibitor (Pan) MEK1 Inhibitor MEK2 Inhibitor Trametinib Preclinical Actionable In a preclinical study, an ovarian cancer cell line harboring BRAF N486_P490del was sensitive to Mekinist (trametinib), resulting in inhibition of cell growth in culture (PMID: 26732095). 26732095
BRAF N486_P490del ovarian cancer resistant Vemurafenib Preclinical Actionable In a preclinical study, an ovarian cancer cell line harboring BRAF N486_P490del was resistant to Zelboraf (vemurafenib), resulting in minimal inhibition of both cell growth and phosphorylation of MEK and ERK in culture (PMID: 26732095). 26732095
BRAF N486_P490del ovarian cancer predicted - resistant Dabrafenib Preclinical Actionable In a preclinical study, Tafinlar (dabrafenib) resulted in minimal growth inhibitory activity of an ovarian cancer cell line harboring BRAF N486_P490del (PMID: 26732095). 26732095
BRAF N486_P490del pancreatic ductal adenocarcinoma predicted - sensitive MEK inhibitor (Pan) MEK1 Inhibitor MEK2 Inhibitor Trametinib Case Reports/Case Series Actionable In a clinical case study, Mekinist (trametinib) treatment resulted in partial response in a patient with pancreatic ductal adenocarcinoma harboring BRAF N486_P490del 8 weeks after initiation of treatment and lasted for 6 months (PMID: 29903880). 29903880
BRAF N486_P490del pancreatic cancer predicted - sensitive Dabrafenib Case Reports/Case Series Actionable In a clinical case study, a patient with pancreatic cancer harboring BRAF N486_P490del had a partial response when treated with Tafinlar (dabrafenib), demonstrating a decrease in both the size of the primary and metastatic lesions and response duration of 6 months (PMID: 31519698). 31519698
BRAF N486_P490del lymphatic system cancer predicted - sensitive MEK inhibitor (Pan) MEK1 Inhibitor MEK2 Inhibitor Trametinib Case Reports/Case Series Actionable In a clinical case study, Mekinist (trametinib) treatment in two patients with Langerhans cell histiocytosis harboring BRAF N486_P490del resulted in a complete response with no disease reactivation over 18 months of treatment in one patient and a partial response with stable disease in the lungs maintained over 12 months of treatment in a second patient (PMID: 32991018). 32991018
BRAF N486_P490del pancreatic ductal adenocarcinoma predicted - sensitive MEK inhibitor (Pan) MEK1 Inhibitor MEK2 Inhibitor Trametinib Preclinical - Pdx Actionable In a preclinical study, a patient-derived xenograft (PDX) model with pancreatic ductal adenocarcinoma harboring BRAF N486_P490del demonstrated partial inhibition of Erk phosphorylation and moderate inhibition of tumor growth when treated with Mekinist (trametinib) (PMID: 34011980). 34011980
BRAF N486_P490del pancreatic ductal adenocarcinoma predicted - sensitive LY3009120 LY3009120 Preclinical - Pdx & cell culture Actionable In a preclinical study, a patient-derived xenograft (PDX) model with pancreatic ductal adenocarcinoma harboring BRAF N486_P490del demonstrated partial inhibition of Erk phosphorylation and moderate inhibition of tumor growth when treated with LY3009120 (PMID: 34011980). 34011980
BRAF N486_P490del pancreatic ductal adenocarcinoma sensitive MEK inhibitor (Pan) MEK1 Inhibitor MEK2 Inhibitor LY3009120 + Trametinib Preclinical - Pdx Actionable In a preclinical study, a patient-derived xenograft (PDX) model with pancreatic ductal adenocarcinoma harboring BRAF N486_P490del demonstrated inhibition of Erk phosphorylation and greater inhibition of tumor growth when treated with the combination of Mekinist (trametinib) and LY3009120 compared to either agent alone (PMID: 34011980). 34011980
BRAF N486_P490del melanoma sensitive MEK inhibitor (Pan) MEK1 Inhibitor MEK2 Inhibitor Cobimetinib Preclinical - Cell culture Actionable In a preclinical study, a melanoma cell line harboring BRAF N486_P490del demonstrated sensitivity to Cotellic (cobimetinib), resulting in decreased cell viability in culture (PMID: 26996308). 26996308
BRAF N486_P490del ovarian cancer sensitive MEK inhibitor (Pan) MEK1 Inhibitor MEK2 Inhibitor Cobimetinib Preclinical - Cell culture Actionable In a preclinical study, an ovarian cancer cell line harboring BRAF N486_P490del demonstrated sensitivity to Cotellic (cobimetinib), resulting in decreased cell viability in culture (PMID: 26996308). 26996308
BRAF N486_P490del melanoma sensitive MEK inhibitor (Pan) MEK1 Inhibitor MEK2 Inhibitor PD-0325901 Preclinical - Cell culture Actionable In a preclinical study, a melanoma cell line harboring BRAF N486_P490del demonstrated sensitivity to PD-0325901, resulting in decreased cell viability in culture (PMID: 26996308). 26996308
BRAF N486_P490del ovarian cancer sensitive MEK inhibitor (Pan) MEK1 Inhibitor MEK2 Inhibitor PD-0325901 Preclinical - Cell culture Actionable In a preclinical study, an ovarian cancer cell line harboring BRAF N486_P490del demonstrated sensitivity to PD-0325901, resulting in decreased cell viability in culture (PMID: 26996308). 26996308
BRAF N486_P490del ovarian cancer predicted - sensitive GDC0879 Preclinical - Cell culture Actionable In a preclinical study, an ovarian cancer cell line harboring BRAF N486_P490del demonstrated partial sensitivity to GDC0879 in culture (PMID: 26996308). 26996308
BRAF N486_P490del melanoma predicted - sensitive GDC0879 Preclinical - Cell culture Actionable In a preclinical study, a melanoma cell line harboring BRAF N486_P490del demonstrated partial sensitivity to GDC0879 in culture (PMID: 26996308). 26996308
BRAF N486_P490del melanoma sensitive AZ628 Preclinical - Cell culture Actionable In a preclinical study, a melanoma cell line harboring BRAF N486_P490del demonstrated sensitivity to AZ628, resulting in decreased cell viability and inhibition of Mek and Erk phosphorylation in culture (PMID: 26996308). 26996308
BRAF N486_P490del ovarian cancer sensitive AZ628 Preclinical - Cell culture Actionable In a preclinical study, an ovarian cancer cell line harboring BRAF N486_P490del demonstrated sensitivity to AZ628, resulting in decreased cell viability and inhibition of Mek and Erk phosphorylation in culture (PMID: 26996308). 26996308
BRAF N486_P490del melanoma resistant Vemurafenib Preclinical - Cell culture Actionable In a preclinical study, Zelboraf (vemurafenib) failed to reduce phosphorylation of Mek and Erk and did not inhibit viability of a melanoma cell line harboring BRAF N486_P490del in culture (PMID: 26996308). 26996308
BRAF N486_P490del ovarian cancer resistant Vemurafenib Preclinical - Cell culture Actionable In a preclinical study, Zelboraf (vemurafenib) failed to reduce phosphorylation of Mek and Erk and did not inhibit viability of an ovarian cancer cell line harboring BRAF N486_P490del in culture (PMID: 26996308). 26996308
BRAF N486_P490del pancreatic ductal adenocarcinoma predicted - sensitive MEK inhibitor (Pan) MEK1 Inhibitor MEK2 Inhibitor Dabrafenib + Trametinib Case Reports/Case Series Actionable In a clinical case study, the combination of Tafinlar (dabrafenib) and Mekinist (trametinib) resulted in a partial response after 8 weeks of treatment in a patient with metastatic pancreatic ductal adenocarcinoma harboring BRAF N486_P490del (PMID: 36505826). 36505826