Molecular Profile Detail

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Profile Name MAP2K1 P124L
Gene Variant Detail

MAP2K1 P124L (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
MAP2K1 P124L melanoma resistant Selumetinib Preclinical Actionable In a preclinical study, transformed human melanoma cells expressing MAP2K1 P124L demonstrated resistance to the MEK inhibitor, Selumetinib (AZD6244) (PMID: 19915144). 19915144
MAP2K1 P124L lymphatic system cancer predicted - sensitive Cobimetinib Case Reports/Case Series Actionable In a Phase II trial, treatment with Cotellic (cobimetinib) in patients with histiocytic neoplasms resulted in a PET overall response rate of 89% (16/18), with complete response in 72% (13/18) and partial response in 17% (3/18), and resulted in stable disease in 6% (1/18) of patients, including a complete response in a patient with mixed histiocytosis harboring MAP2K1 P124L (PMID: 30867592; NCT01953926). 30867592
Clinical Trial Phase Therapies Title Recruitment Status