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|Profile Name||KIT exon17|
|Gene Variant Detail|
|Relevant Treatment Approaches|
|Molecular Profile||Indication/Tumor Type||Response Type||Relevant Treatment Approaches||Therapy Name||Approval Status||Evidence Type||Efficacy Evidence||References|
|KIT exon17||gastrointestinal stromal tumor||sensitive||Avapritinib||Phase I||Actionable||In a Phase I trial, Ayvakit (avapritinib) demonstrated preliminary antitumor activity in gastrointestinal stromal tumor patients harboring KIT mutations, with reduced tumor burden in 38% (5/13) of patients, including 1 partial response and 4 stable diseases, and 3 of the 5 responding patients harbored KIT exon 17 mutations (EORTC-NCI-AACR 2016, Abs 6LBA).||detail...|
|KIT exon17||Advanced Solid Tumor||sensitive||Avapritinib||Preclinical||Actionable||In a preclinical study, Ayvakit (avapritinib) inhibited Kit phosphorylation and proliferation of various tumor cell lines harboring KIT exon 17 mutations in culture, and induced tumor regression in an allograft animal model (PMID: 29093181).||29093181|
|KIT exon17||gastrointestinal stromal tumor||predicted - sensitive||PLX9486||Phase I||Actionable||In a Phase I trial, PLX9486 demonstrated safety and preliminary efficacy, resulted in a progression-free survival of more than 24 weeks and partial response in 8.3% (2/24) of patients with advanced solid tumors, 20 of these patients had gastrointestinal stromal tumor that progressed on Gleevec (imatinib mesylate), and most harbored KIT exon 11 and exon 17 mutations (Journal of Clinical Oncology 36, no. 15_suppl (May 20 2018) 11509-11509; NCT02401815).||detail...|
|KIT exon17||gastrointestinal stromal tumor||predicted - sensitive||Pexidartinib + PLX9486||Phase I||Actionable||In a Phase I trial, PLX9486 and Pexidartinib (PLX3397) combination therapy demonstrated safety and preliminary efficacy, resulted in a partial response rate of 8.3% (1/12) and progression-free survival not yet reached in patients with advanced solid tumors, 11 of these patients had gastrointestinal stromal tumor that progressed on Gleevec (imatinib mesylate), and most harbored KIT exon 11 and exon 17 mutations (Journal of Clinical Oncology 36, no. 15_suppl (May 20 2018) 11509-11509; NCT02401815).||detail...|
|KIT exon17||mucosal melanoma||predicted - sensitive||Avapritinib||Case Reports/Case Series||Actionable||In a clinical case study, Ayvakit (avapritinib) resulted in a reduction of the metastatic lesions, including brain metastases, in a patient with mucosal melanoma harboring a KIT exon 17 mutation (PMID: 35820244).||35820244|