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Gene | CHEK1 |
Variant | del |
Impact List | deletion |
Protein Effect | loss of function |
Gene Variant Descriptions | CHEK1 del indicates a deletion of the CHEK1 gene. |
Associated Drug Resistance | |
Category Variants Paths |
CHEK1 mutant CHEK1 inact mut CHEK1 del |
Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
---|---|---|---|---|---|---|---|
CHEK1 inact mut | prostate cancer | sensitive | Olaparib | FDA approved - On Companion Diagnostic | Actionable | In a Phase III trial (PROfound) that supported FDA approval, Lynparza (olaparib) treatment significantly improved median imaging-based progression-free survival (5.8 vs 3.5 mo, HR 0.49, p<0.001) compared to control in patients with metastatic castration-resistant prostate cancer who progressed on hormone therapy and harbored deleterious or suspected deleterious mutations in homologous recombination repair genes, including CHEK1 (PMID: 32343890; NCT02987543). | detail... detail... 32343890 |
CHEK1 inact mut | prostate cancer | sensitive | Olaparib | Guideline | Actionable | Lynparza (olaparib) is included in guidelines as second-line therapy post androgen receptor-directed therapy for patients with metastatic castration-resistant prostate cancer harboring pathogenic mutations in CHEK1 (NCCN.org). | detail... |