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Gene | KIT |
Variant | exon 11 del |
Impact List | deletion |
Protein Effect | gain of function |
Gene Variant Descriptions | KIT exon 11 deletions are in-frame deletions within the juxtamembrane domain of the Kit protein (PMID: 26349547). KIT exon 11 deletions are associated with constitutive activation of Kit (PMID: 9438854, PMID: 15365079). |
Associated Drug Resistance | |
Category Variants Paths |
KIT mutant KIT act mut KIT exon 11 del KIT mutant KIT exon11 KIT exon 11 del |
Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
---|---|---|---|---|---|---|---|
KIT exon 11 del | gastrointestinal stromal tumor | predicted - sensitive | Imatinib | Phase III | Actionable | In a Phase III trial, 3-year adjuvant Gleevec (imatinib) treatment resulted in an improved 10-year overall survival rate (86% vs 64%, HR=0.34, p=0.0007) and 10-year recurrence-free survival rate (47% vs 29%, HR=0.48, p<0.001) compared to 1-year adjuvant treatment in patients with gastrointestinal stromal tumors harboring KIT exon 11 deletion or indel mutations (PMID: 37014660; NCT00116935). | 37014660 |
KIT exon 11 del | gastrointestinal stromal tumor | predicted - sensitive | Imatinib | Phase III | Actionable | In a Phase III trial, gastrointestinal stromal tumor patients harboring KIT exon 11 deletions or indels demonstrated improved recurrence-free survival (RFS) with 3-year adjuvant Gleevec (imatinib) treatment (5-year RFS, 70%), compared to patients receiving 1-year treatment (5-year RFS, 41.3%) (PMID: 28334365). | 28334365 |
KIT exon 11 del | gastrointestinal stromal tumor | predicted - sensitive | Imatinib | Preclinical - Cell culture | Actionable | In a preclinical study, Gleevec (imatinib) inhibited Kit phosphorylation and proliferation of gastrointestinal stromal tumor cells harboring KIT exon 11 deletion in culture (PMID: 31085175). | 31085175 |
KIT exon 11 del | gastrointestinal stromal tumor | sensitive | Midostaurin | Preclinical - Cell culture | Actionable | In a preclinical study, Rydapt (midostaurin) inhibited Kit phosphorylation and proliferation of gastrointestinal stromal tumor cells harboring KIT exon 11 deletion in culture (PMID: 31085175). | 31085175 |
KIT exon 11 del | gastrointestinal stromal tumor | no benefit | Adavosertib | Preclinical - Cell line xenograft | Actionable | In a preclinical study, Adavosertib (MK-1775) treatment resulted in reduced cell viability of gastrointestinal stromal tumor cells harboring a KIT exon 11 deletion in culture, but did not lead to improved tumor growth inhibition or prolonged survival compared to controls in cell line xenograft models (PMID: 33320833). | 33320833 |
KIT exon 11 del | gastrointestinal stromal tumor | sensitive | Nintedanib | Preclinical - Cell culture | Actionable | In a preclinical study, Ofev (nintedanib) inhibited viability of a gastrointestinal stromal tumor cell line harboring a KIT exon 11 deletion in culture (PMID: 38408285). | 38408285 |
KIT exon 11 del | gastrointestinal stromal tumor | sensitive | Regorafenib | Preclinical - Cell culture | Actionable | In a preclinical study, Stivarga (regorafenib) inhibited Kit phosphorylation and proliferation of gastrointestinal stromal tumor cells harboring KIT exon 11 deletion in culture (PMID: 31085175). | 31085175 |
KIT exon 11 del | gastrointestinal stromal tumor | sensitive | Sunitinib | Preclinical - Cell culture | Actionable | In a preclinical study, Sutent (sunitinib) inhibited Kit phosphorylation and proliferation of gastrointestinal stromal tumor cells harboring KIT exon 11 deletion in culture (PMID: 31085175). | 31085175 |
KIT exon 11 del | gastrointestinal stromal tumor | sensitive | Sunitinib | Preclinical - Cell culture | Actionable | In a preclinical study, Sutent (sunitinib) inhibited viability of a gastrointestinal stromal tumor cell line harboring a KIT exon 11 deletion in culture (PMID: 38408285). | 38408285 |
KIT exon 11 del | gastrointestinal stromal tumor | sensitive | Avapritinib | Preclinical - Cell line xenograft | Actionable | In a preclinical study, Ayvakit (avapritinib) inhibited cell growth and induced cell cycle arrest in gastrointestinal stromal tumor cells harboring a KIT exon 11 deletion in culture, and inhibited tumor growth and led to prolonged survival in cell line xenograft models (PMID: 33320833). | 33320833 |
KIT exon 11 del | gastrointestinal stromal tumor | sensitive | Avapritinib | Preclinical - Cell culture | Actionable | In a preclinical study, Ayvakit (avapritinib) inhibited Kit phosphorylation and proliferation of gastrointestinal stromal tumor cells harboring KIT exon 11 deletion in culture (PMID: 31085175). | 31085175 |
KIT exon 11 del | gastrointestinal stromal tumor | sensitive | Ripretinib | Preclinical - Cell line xenograft | Actionable | In a preclinical study, Qinlock (ripretinib) inhibited Kit phosphorylation and proliferation of gastrointestinal stromal tumor cells harboring KIT exon 11 deletion, resulted in tumor regression in cell line xenograft models (PMID: 31085175). | 31085175 |
KIT exon 11 del | gastrointestinal stromal tumor | sensitive | Ripretinib | Preclinical - Cell culture | Actionable | In a preclinical study, Qinlock (ripretinib) inhibited viability of a gastrointestinal stromal tumor cell line harboring a KIT exon 11 deletion in culture (PMID: 38408285). | 38408285 |
KIT exon 11 del | gastrointestinal stromal tumor | sensitive | Adavosertib + Avapritinib | Preclinical - Cell line xenograft | Actionable | In a preclinical study, the combination of Adavosertib (MK-1775) and Ayvakit (avapritinib) demonstrated an additive effect on inhibiting cell growth and inducing apoptosis in gastrointestinal stromal tumor cells harboring a KIT exon 11 deletion in culture, and inhibited tumor growth and led to prolonged survival in cell line xenograft models (PMID: 33320833). | 33320833 |
KIT exon 11 del | gastrointestinal stromal tumor | predicted - sensitive | THE-630 | Preclinical - Cell culture | Actionable | In a preclinical study, THE-630 treatment inhibited cell viability and KIT signaling in a gastrointestinal stromal tumor cell line harboring a KIT exon 11 deletion in culture (Cancer Res 2021;81(13_Suppl):Abstract nr 1292). | detail... |