Molecular Profile Detail

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Profile Name CHEK2 inact mut
Gene Variant Detail

CHEK2 inact mut (loss of function)

Relevant Treatment Approaches

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Molecular Profile Indication/Tumor Type Response Type Relevant Treatment Approaches Therapy Name Approval Status Evidence Type Efficacy Evidence References
CHEK2 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 CHEK2 (NCCN.org). detail...
CHEK2 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 progression-free survival (PFS, 5.8 vs 3.5 mo, HR=0.49, p<0.001) compared to control in patients with metastatic castration-resistant prostate cancer harboring deleterious or suspected deleterious mutations in homologous recombination repair genes who progressed on hormone therapy, including patients harboring CHEK2 mutations (5.59 vs 3.35 mo) (PMID: 32343890; NCT02987543). detail... detail... 32343890
CHEK2 inact mut prostate cancer sensitive Olaparib Case Reports/Case Series Actionable In a Phase II (TOPARP-B) trial, Lynparza (olaparib) treatment resulted in a composite overall response rate of 20.0% (4/20) and a RECIST objective response rate of 0% (0/17) in patients with castration-resistant prostate cancer harboring deleterious mutations in DNA damage response genes, including ARID1A, ATRX, CHEK1/2, FANCA, FANCF, FANCG, FANCI, FANCM, MSH2, NBN, RAD50, and WRN (n=1, 1, 1, 5, 5, 2, 1, 1, 2, 1, 1, 1, 7, respectively) (PMID: 31806540; NCT01682772). 31806540
CHEK2 inact mut prostate cancer no benefit Rucaparib Phase II Actionable In a Phase II trial (TRITON2), activity of Rubraca (rucaparib) was limited in the cohort of patients with metastatic castrate-resistant prostate cancer harboring a CHEK2 mutation presumed to be inactivating, with a radiographic partial response in 1 patient who had a co-occurring ATM alteration out of 9 evaluable patients, and PSA response rate of 16.7% (2/12), and a clinical benefit rate of 37.5% (3/8) at 6 months, with no patients remaining on treatment at 12 months (PMID: 32086346; NCT02952534). 32086346
Clinical Trial Phase Therapies Title Recruitment Status Covered Countries Other Countries
NCT03810105 Phase II Durvalumab + Olaparib A Study of Olaparib and Durvalumab in Prostate Cancer Recruiting
NCT04550494 Phase II Talazoparib Measuring the Effects of Talazoparib in Patients With Advanced Cancer and DNA Repair Variations Recruiting
NCT04826341 Phase Ib/II Berzosertib + Sacituzumab govitecan-hziy A Phase I/II Study of Sacituzumab Govitecan Plus Berzosertib in Small Cell Lung Cancer and Homologous Recombination-Deficient Cancers Resistant to PARP Inhibitors Not yet recruiting
NCT03840967 Phase II Niraparib A Study Evaluating Safety and Efficacy of Niraparib in Patients With Previously Treated Metastatic Esophageal/Gastroesophageal Junction/Proximal Gastric Adenocarcinoma Recruiting
NCT04053322 Phase II Durvalumab + Fulvestrant + Olaparib Durvalumab, With Olaparib and Fulvestrant in Advanced ER+, HER2- Breast Cancer Patients. (DOLAF) Recruiting
NCT03601923 Phase II Niraparib Niraparib in Patients With Pancreatic Cancer Recruiting
NCT02734004 Phase Ib/II Durvalumab + Olaparib Bevacizumab + Durvalumab + Olaparib A Phase I/II Study of MEDI4736 in Combination With Olaparib in Patients With Advanced Solid Tumors. (MEDIOLA) Active, not recruiting
NCT04666740 Phase II Olaparib + Pembrolizumab A Study of Pembrolizumab and Olaparib for People With Metastatic Pancreatic Ductal Adenocarcinoma and Homologous Recombination Deficiency or Exceptional Treatment Response to Platinum-Based Therapy Recruiting
NCT04019327 Phase Ib/II Talazoparib + Temozolomide A Study of the Drugs Talazoparib and Temozolomide in Prostate Cancer Recruiting
NCT04336943 Phase II Durvalumab + Olaparib Durvalumab and Olaparib for the Treatment of Prostate Cancer in Men Predicted to Have a High Neoantigen Load Recruiting
NCT03209401 Phase I Carboplatin + Niraparib Niraparib Plus Carboplatin in Patients With Homologous Recombination Deficient Advanced Solid Tumor Malignancies Recruiting
NCT04266912 Phase Ib/II Avelumab + Berzosertib Avelumab and M6620 for the Treatment of DDR Deficient Metastatic or Unresectable Solid Tumors Recruiting
NCT04276376 Phase II Atezolizumab + Rucaparib Efficacy and Safety of the Combination of Rucaparib (PARP Inhibitor) and Atezolizumab (Anti-PD-L1 Antibody) in Patients With DNA Repair-deficient or Platinum-sensitive Solid Tumors (ARIANES) Recruiting
NCT03047135 Phase II Olaparib Olaparib in Men With High-Risk Biochemically-Recurrent Prostate Cancer Following Radical Prostatectomy, With Integrated Biomarker Analysis Recruiting
NCT02401347 Phase II Talazoparib Phase II Trial of Talazoparib in BRCA1/2 Wild-type HER2-negative Breast Cancer and Other Solid Tumors Recruiting
NCT03786796 Phase II Olaparib Study of Olaparib in Metastatic Renal Cell Carcinoma Patients With DNA Repair Gene Mutations (ORCHID) Recruiting