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Molecular Profile KIT exon11
Therapy Imatinib
Indication/Tumor Type melanoma
Response Type predicted - sensitive

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
KIT exon11 melanoma predicted - sensitive Imatinib Phase II Actionable In a Phase II trial, Gleevec (imatinib) treatment resulted in a 6-month progression-free survival (PFS) rate of 36.6%, a median PFS of 3.5 months, a median overall survival (OS) of 14.0 mo, a 1-year OS rate of 51.0%, partial responses (PR) in 23.3% (10/43) and stable disease in 30.2% of metastatic melanoma patients harboring KIT mutations, 9 of the 10 responders harbored KIT exon 11/ 13 mutations (PMID: 21690468; NCT00881049). 21690468
KIT exon11 melanoma predicted - sensitive Imatinib Case Reports/Case Series Actionable In a clinical case study, Gleevec (imatinib) treatment resulted in a partial response in a patient with metastastic anal melanoma harboring a 21 base-pair duplication in KIT exon 11, and reduced pulmonary metastasis by 60% (PMID: 20372153). 20372153
KIT exon11 melanoma predicted - sensitive Imatinib Phase II Actionable In a Phase II trial, Gleevec (imatinib) treatment resulted in a best overall response rate of 53.8% (7/13, all partial responses), a disease control rate of 76.9% (10/13), a median time-to-progression of 3.9 months, and a median overall survival of 12.9 months in patients with mucosal, acral, or chronically sun-damaged skin melanoma harboring KIT activating mutations in exons 11 (n=9), 13 (n=3), and 17 (n=1) (PMID: 23775962; NCT00424515). 23775962
PubMed Id Reference Title Details
(23775962) Imatinib for melanomas harboring mutationally activated or amplified KIT arising on mucosal, acral, and chronically sun-damaged skin. Full reference...
(20372153) Clinical responses observed with imatinib or sorafenib in melanoma patients expressing mutations in KIT. Full reference...
(21690468) Phase II, open-label, single-arm trial of imatinib mesylate in patients with metastatic melanoma harboring c-Kit mutation or amplification. Full reference...