Molecular Profile Detail

Profile Name KIT W557_K558del KIT V654A
Gene Variant Detail

KIT V654A (unknown)

KIT W557_K558del (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
KIT W557_K558del KIT V654A gastrointestinal stromal tumor sensitive Avapritinib Preclinical - Pdx Actionable In a preclinical study, BLU-285 inhibited Kit phosphorylation and resulted in tumor regression in patient-derived xenograft models of Gleevec (imatinib)-resistant gastrointestinal stromal tumor harboring KIT W557_K558del and V654A (PMID: 29093181). 29093181
KIT W557_K558del KIT V654A Advanced Solid Tumor resistant Regorafenib Preclinical Actionable In a preclinical study, transformed cells co-expressing KIT W557_K558del and KIT V654A demonstrated resistance to treatment with Stivarga (regorafenib) in culture (PMID: 25239608). 25239608
KIT W557_K558del KIT V654A Advanced Solid Tumor sensitive Ponatinib Preclinical - Cell line xenograft Actionable In a preclinical study, transformed cells co-expressing KIT W557_K558del and KIT V654A demonstrated sensitivity to treatment with Iclusig (ponatinib) in both culture and cell line xenograft models, resulting in reduced cell viability and decreased tumor volume (PMID: 25239608). 25239608
KIT W557_K558del KIT V654A Advanced Solid Tumor no benefit Imatinib Preclinical - Cell line xenograft Actionable In a preclinical study, transformed cells co-expressing KIT W557_K558del and KIT V654A demonstrated no response to treatment with Gleevec (imatinib) in both culture and xenograft models (PMID: 25239608). 25239608
KIT W557_K558del KIT V654A Advanced Solid Tumor sensitive Sunitinib Preclinical - Cell line xenograft Actionable In a preclinical study, transformed cells co-expressing KIT W557_K558del and KIT V654A demonstrated sensitivity to treatment with Sutent (sunitinib) in both culture and cell line xenograft models, resulting in reduced cell viability, decreased tumor volume, and tumor regression (PMID: 25239608). 25239608
Clinical Trial Phase Therapies Title Recruitment Status