Molecular Profile Detail

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Profile Name KIT W557_K558del KIT Y823D
Gene Variant Detail

KIT W557_K558del (gain of function)

KIT Y823D (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 Y823D Advanced Solid Tumor resistant Imatinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing KIT W557_K558del and KIT Y823D demonstrated resistance to Gleevec (imatinib) in culture (PMID: 32350132). 32350132
KIT W557_K558del KIT Y823D gastrointestinal stromal tumor sensitive PLX9486 Preclinical - Pdx Actionable In a preclinical study, PLX9486 treatment decreased Mapk phosphorylation, inhibited proliferation, and reduced tumor growth and induced regression in a Gleevec (imatinib)-resistant patient-derived xenograft (PDX) model of gastrointestinal stromal tumor harboring KIT W557_K558del and Y823D (PMID: 30523507). 30523507
KIT W557_K558del KIT Y823D gastrointestinal stromal tumor sensitive Ripretinib Preclinical - Pdx Actionable In a preclinical study, Qinlock (ripretinib) induced tumor regression in a patient-derived xenograft (PDX) model of gastrointestinal stromal tumor harboring KIT W557_K558del and KIT Y823D (PMID: 31085175). 31085175
KIT W557_K558del KIT Y823D Advanced Solid Tumor sensitive AZD3229 Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing KIT W557_K558del and KIT Y823D demonstrated sensitivity to AZD3229 in culture, resulting in reduced cell viability (PMID: 32350132). 32350132
KIT W557_K558del KIT Y823D gastrointestinal stromal tumor sensitive Ponatinib Preclinical - Pdx & cell culture Actionable In a preclinical study, a patient derived GIST cell line co-harboring KIT W557_K558del and KIT Y823D demonstrated sensitivity to Iclusig (ponatinib) in a PDX model, resulting in complete tumor regression (PMID: 25239608). 25239608
KIT W557_K558del KIT Y823D Advanced Solid Tumor resistant Sunitinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing KIT W557_K558del and KIT Y823D demonstrated resistance to Sutent (sunitinb) in culture (PMID: 32350132). 32350132
KIT W557_K558del KIT Y823D Advanced Solid Tumor decreased response Avapritinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing KIT W557_K558del and KIT Y823D demonstrated a decreased response to treatment with Ayvakit (avapritinib) compared to cells expressing KIT W557_K558del alone in culture (PMID: 32350132). 32350132
KIT W557_K558del KIT Y823D gastrointestinal stromal tumor sensitive Avapritinib Preclinical - Pdx Actionable In a preclinical study, Ayvakit (avapritinib) inhibited Kit phosphorylation and resulted in tumor regression in patient-derived xenograft models of Gleevec (imatinib mesylate)-resistant gastrointestinal stromal tumor harboring KIT W557_K558del and Y823D (PMID: 29093181). 29093181
KIT W557_K558del KIT Y823D gastrointestinal stromal tumor sensitive AZD3229 Preclinical - Pdx Actionable In a preclinical study, AZD3229 inhibited Kit signaling and tumor growth in a patient-derived xenograft (PDX) model of gastrointestinal stromal tumor harboring KIT W557_K558del and KIT Y823D (PMID: 32350132). 32350132
KIT W557_K558del KIT Y823D gastrointestinal stromal tumor sensitive Regorafenib Preclinical - Pdx Actionable In a preclinical study, Stivarga (regorafenib) inhibited tumor growth in a patient-derived xenograft (PDX) model of gastrointestinal stromal tumor harboring KIT W557_K558del and KIT Y823D (PMID: 32350132). 32350132
KIT W557_K558del KIT Y823D Advanced Solid Tumor predicted - sensitive Regorafenib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing KIT W557_K558del and KIT Y823D demonstrated sensitivity to treatment with Stivarga (regorafenib), but was decreased compared to cells expressing KIT W557_K558del alone in culture (PMID: 32350132). 32350132
KIT W557_K558del KIT Y823D Advanced Solid Tumor decreased response Ripretinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing KIT W557_K558del and KIT Y823D demonstrated a decreased response to treatment with Qinlock (ripretinib) compared to cells expressing KIT W557_K558del alone in culture (PMID: 32350132). 32350132
Clinical Trial Phase Therapies Title Recruitment Status Covered Countries Other Countries