Molecular Profile Detail

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Profile Name KIT W557_K558del
Gene Variant Detail

KIT W557_K558del (gain of function)

Relevant Treatment Approaches KIT Inhibitor

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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 gastrointestinal stromal tumor sensitive PD-0325901 Preclinical - Cell culture Actionable In a preclinical study, PD-0325901 treatment inhibited Erk phosphorylation and decreased expression of ETV1 and CXCR4 in gastrointestinal stromal tumor cells harboring KIT W557_K558del (PMID: 26936919). 26936919
KIT W557_K558del Advanced Solid Tumor sensitive KIT Inhibitor Avapritinib Preclinical - Cell culture Actionable In a preclinical study, Ayvakit (avapritinib) treatment resulted in decreased viability of transformed cells expressing KIT W557_K558del in culture, but was less potent compared to treatment with AZD3229 (PMID: 32350132). 32350132
KIT W557_K558del Advanced Solid Tumor sensitive KIT Inhibitor AZD3229 Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing KIT W557_K558del demonstrated sensitivity to AZD3229 in culture, resulting in reduced cell viability (PMID: 32350132). 32350132
KIT W557_K558del Advanced Solid Tumor sensitive KIT Inhibitor Cabozantinib Preclinical - Cell culture Actionable In a preclinical study, Cometriq (Cabometyx, cabozantinib) treatment resulted in decreased viability of transformed cells expressing KIT W557_K558del in culture (PMID: 33212994). 33212994
KIT W557_K558del Advanced Solid Tumor sensitive KIT Inhibitor Ripretinib Preclinical - Cell culture Actionable In a preclinical study, Qinlock (ripretinib) treatment resulted in decreased viability of transformed cells expressing KIT W557_K558del in culture, but was less potent compared to treatment with AZD3229 (PMID: 32350132). 32350132
KIT W557_K558del Advanced Solid Tumor sensitive KIT Inhibitor Imatinib Preclinical Actionable In a preclinical study, transformed cells expressing KIT W557_K558del demonstrated sensitivity to treatment with Gleevec (imatinib) in culture, resulting in reduced cell viability (PMID: 25239608). 25239608
KIT W557_K558del Advanced Solid Tumor sensitive KIT Inhibitor Dasatinib Preclinical - Cell culture Actionable In a preclinical study, Sprycel (dasatinib) inhibited growth and induced apoptosis of transformed cells expressing KIT W557_K558del in culture (PMID: 17699867). 17699867
KIT W557_K558del Advanced Solid Tumor sensitive KIT Inhibitor Sunitinib Preclinical Actionable In a preclinical study, transformed cells expressing W557_K558del demonstrated sensitivity to treatment with Sutent (sunitinib) in culture, resulting in reduced cell viability (PMID: 25239608). 25239608
KIT W557_K558del Advanced Solid Tumor sensitive KIT Inhibitor Ponatinib Preclinical - Cell line xenograft Actionable In a preclinical study, transformed cells expressing KIT W557_K558del demonstrated sensitivity to treatment with Iclusig (ponatinib) in both culture and cell line xenograft models, resulting in reduced cell viability and near complete tumor regression (PMID: 25239608). 25239608
KIT W557_K558del Advanced Solid Tumor sensitive KIT Inhibitor Regorafenib Preclinical Actionable In a preclinical study, transformed cells expressing KIT W557_K558del demonstrated sensitivity to treatment with Stivarga (regorafineb) in culture, resulting in reduced cell viability (PMID: 25239608). 25239608
KIT W557_K558del Advanced Solid Tumor sensitive KIT Inhibitor Nilotinib Preclinical - Cell culture Actionable In a preclinical study, Tasigna (nilotinib) inhibited growth of transformed cells expressing KIT W557_K558del in culture (PMID: 17699867). 17699867
Clinical Trial Phase Therapies Title Recruitment Status Covered Countries Other Countries