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Gene | KIT |
Variant | positive |
Impact List | unknown |
Protein Effect | unknown |
Gene Variant Descriptions | KIT positive indicates the presence of the KIT gene, mRNA, and/or protein. |
Associated Drug Resistance | |
Category Variants Paths |
Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
---|---|---|---|---|---|---|---|
KIT positive | prostate neuroendocrine neoplasm | no benefit | Imatinib | Preclinical | Actionable | In a preclinical study, a prostate neuroendocrine tumor mouse model expressing Kit did not respond to Gleevec (imatinib), a result of impaired signaling of the Kit pathway (PMID: 27980106). | 27980106 |
KIT positive | germ cell cancer | no benefit | Imatinib | Phase II | Actionable | In a small Phase II study, 6 patients with KIT-positive refractory germ cell tumors treated with Gleevec (imatinib) experienced no significant antitumor activity (PMID: 16462496). | 16462496 |
KIT positive | gastrointestinal stromal tumor | sensitive | Imatinib | FDA approved | Actionable | In a Phase II trial that supported FDA approval, treatment with Gleevec (imatinib) resulted in an overall response rate of 38% (56/147) and a median duration of response of 13 weeks in patients with metastatic or unresectable KIT-positive GIST (PMID: 12374669). | 12374669 detail... |
KIT positive | breast cancer | predicted - sensitive | Imatinib + Letrozole | Phase 0 | Actionable | In a pilot trial, Gleevec (imatinib mesylate) and Femara (letrozole) combination treatment resulted in clinical partial response in 90% (9/10) and stable disease in 10% (1/10) of the evaluable patients with invasive hormone-sensitive breast cancer, 8 of the 13 enrolled patients had KIT-positive tumors (PMID: 18248884). | 18248884 |