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Gene Symbol CHEK2
Synonyms CDS1 | CHK2 | hCds1 | HuCds1 | LFS2 | PP1425 | RAD53 | TPDS4
Gene Description CHEK2, checkpoint kinase 2, is a serine-threonine protein kinase and a putative tumor suppressor (PMID: 30562755) required for checkpoint-mediated cell cycle arrest and activation of DNA repair and apoptosis in response to DNA damage (PMID: 28553140). CHEK2 alterations are associated with predisposition to certain human cancers, including breast, prostate, kidney, and colon (PMID: 24880342; PMID: 24713400, PMID: 28553140).
NCBI Gene ID Chromosome Map Location Canonical Transcript Gene Role
11200 22 22q12.1 NM_007194 Tumor suppressor (PMID: 30606230)

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Clinical Trial Phase Therapies Title Recruitment Status Covered Countries Other Countries
NCT03375307 Phase II Olaparib Testing Olaparib in Patients With Advanced or Metastatic (Cancer That Has Spread) Bladder Cancer and Other Genitourinary Tumors With DNA-Repair Genetic Changes Recruiting USA 0
NCT03533946 Phase II Rucaparib Rucaparib in Nonmetastatic prOstAte With BRCAness (ROAR) Terminated USA 0
NCT03448718 Phase II Olaparib Trial of Olaparib in Patients With Metastatic Urothelial Cancer Harboring DNA Damage Response Gene Alterations Completed USA 0
NCT04052555 Phase I Berzosertib Testing the Addition of an Anti-cancer Drug, Berzosertib, to the Usual Treatment (Radiation Therapy) for Chemotherapy-Resistant Triple-Negative and Estrogen and/or Progesterone Receptor Positive, HER2 Negative Breast Cancer Active, not recruiting USA 0
NCT02950064 Phase I BTP-114 A Study to Determine the Safety of BTP-114 for Treatment in Patients With Advanced Solid Tumors With BRCA Mutations Unknown status USA 0
NCT04288687 Phase II Niraparib A Trial of Niraparib in Platinum-Sensitive Castration-Resistant Prostate Cancer With DNA Repair Defects Active, not recruiting USA 0
NCT02873975 Phase II Prexasertib A Study of LY2606368 (Prexasertib) in Patients With Solid Tumors With Replicative Stress or Homologous Repair Deficiency Completed USA 0
NCT06177171 Phase I Decitabine and Cedazuridine + Olaparib Olaparib and ASTX727 in BRCA1/2- and Homologous Recombination Deficient (HRD)-Mutated Tumors Not yet recruiting USA 0
NCT02693535 Phase II Cobimetinib + Vemurafenib Atezolizumab + Talazoparib Regorafenib Larotrectinib Trastuzumab + Tucatinib Ipilimumab + Nivolumab Palbociclib Afatinib Entrectinib Talazoparib Pembrolizumab Temsirolimus Pertuzumab + Trastuzumab Atezolizumab + Pertuzumab/trastuzumab/hyaluronidase-zzxf Crizotinib Abemaciclib Sunitinib Olaparib TAPUR: Testing the Use of Food and Drug Administration (FDA) Approved Drugs That Target a Specific Abnormality in a Tumor Gene in People With Advanced Stage Cancer (TAPUR) Recruiting USA 0
NCT02476968 FDA approved Olaparib To Assess the Efficacy and Safety of Olaparib Maintenance Monotherapy in the Treatment of Ovarian Cancer (ORZORA) Completed ITA | GBR | ESP | CAN 4
NCT03413995 Phase II Rucaparib Trial of Rucaparib in Patients With Metastatic Hormone-Sensitive Prostate Cancer Harboring Germline DNA Repair Gene Mutations (TRIUMPH) Active, not recruiting USA 0
NCT03061188 Phase I Nivolumab + Veliparib Nivolumab and Veliparib in Treating Patients With Recurrent or Refractory Stage IV Solid Tumors That Cannot Be Removed by Surgery or Lymphoma With or Without Alterations in DNA Repair Genes Unknown status USA 0
NCT04030559 Phase II Niraparib Niraparib Before Surgery in Treating Patients With High Risk Localized Prostate Cancer and DNA Damage Response Defects Recruiting USA 0
NCT04187833 Phase II Nivolumab + Talazoparib Nivolumab in Combination With Talazoparib in Melanoma and Mutations in BRCA or BRCA-ness Genes Completed USA 0
NCT04042831 Phase II Olaparib Olaparib in Treating Patients With Metastatic Biliary Tract Cancer With Aberrant DNA Repair Gene Mutations Recruiting USA 0
NCT03207347 Phase II Niraparib A Trial of Niraparib in BAP1 and Other DNA Damage Response (DDR) Deficient Neoplasms (UF-STO-ETI-001) Completed USA 0
NCT03601923 Phase II Niraparib Niraparib in Patients With Pancreatic Cancer Active, not recruiting USA 0
NCT04586335 Phase I CYH33 + Olaparib Study of CYH33 in Combination With Olaparib an Oral PARP Inhibitor in Patients With Advanced Solid Tumors. Terminated USA | AUS 1
NCT03432897 Phase II Olaparib BrUOG 337: Olaparib Prior to Radical Prostatectomy For Patients With Locally Advanced Prostate Cancer and Defects in DNA Repair Genes (337) Terminated USA 0
NCT03718091 Phase II Berzosertib M6620 (VX-970) in Selected Solid Tumors Completed USA 0
NCT03012321 Phase II Abiraterone + Olaparib + Prednisone Abiraterone + Prednisone Olaparib Abiraterone/Prednisone, Olaparib, or Abiraterone/Prednisone + Olaparib in Patients With Metastatic Castration-Resistant Prostate Cancer With DNA Repair Defects Active, not recruiting USA 0
NCT03925350 Phase II Niraparib Efficacy and Safety Study of Niraparib in Melanoma With Genetic Homologous Recombination (HR) Mutation Unknown status USA 0
NCT03318445 Phase I Rucaparib Irinotecan + Rucaparib Rucaparib and Irinotecan in Cancers With Mutations in DNA Repair Completed USA 0
NCT02576444 Phase II Adavosertib + Olaparib Olaparib Capivasertib + Olaparib Ceralasertib + Olaparib OLAParib COmbinations (OLAPCO) Terminated USA 0
NCT04633902 Phase II Olaparib + Pembrolizumab Phase II Study of Olaparib and Pembrolizumab in Advanced Melanoma With Homologous Recombination (HR) Mutation Recruiting USA 0
NCT04550494 Phase II Talazoparib Measuring the Effects of Talazoparib in Patients With Advanced Cancer and DNA Repair Variations Recruiting USA 0
NCT05010096 Phase I Copanlisib + Elimusertib BAY1895344 and Copanlisib for the Treatment of Molecularly Selected Patients With Advanced Solid Tumors Withdrawn 0
NCT06212583 Phase II Abiraterone + Niraparib High-Risk Metachronous Oligometastatic Prostate Cancer Trial (KNIGHTS) Not yet recruiting USA 0
NCT03209401 Phase I Carboplatin + Niraparib Niraparib Plus Carboplatin in Patients With Homologous Recombination Deficient Advanced Solid Tumor Malignancies Terminated USA 0
NCT05011383 Phase II Testosterone High Dose Testosterone for ATM, CDK12 or CHEK2 Altered Prostate Cancers (VA-BAT) Recruiting USA 0
NCT04019327 Phase Ib/II Talazoparib + Temozolomide A Study of the Drugs Talazoparib and Temozolomide in Prostate Cancer Recruiting USA 0
NCT03344965 Phase II Olaparib Olaparib In Metastatic Breast Cancer Active, not recruiting USA 0
NCT04266912 Phase Ib/II Avelumab + Berzosertib Avelumab and M6620 for the Treatment of DDR Deficient Metastatic or Unresectable Solid Tumors Active, not recruiting USA 0
NCT03840967 Phase II Niraparib A Study Evaluating Safety and Efficacy of Niraparib in Patients With Previously Treated Metastatic Esophageal/Gastroesophageal Junction/Proximal Gastric Adenocarcinoma Active, not recruiting USA 0
NCT05379972 Phase II Olaparib + Pembrolizumab Study of SBRT/Olaparib Followed by Pembrolizumab/Olaparib in Gastric Cancers Recruiting USA 0
NCT02401347 Phase II Talazoparib Phase II Trial of Talazoparib in BRCA1/2 Wild-type HER2-negative Breast Cancer and Other Solid Tumors Completed USA 0
NCT03047135 Phase II Olaparib Olaparib in Men With High-Risk Biochemically-Recurrent Prostate Cancer Following Radical Prostatectomy, With Integrated Biomarker Analysis Active, not recruiting USA 0
NCT03786796 Phase II Olaparib Study of Olaparib in Metastatic Renal Cell Carcinoma Patients With DNA Repair Gene Mutations (ORCHID) Recruiting USA 0
NCT05033756 Phase II Olaparib + Pembrolizumab Comprehensive Analysis of Predictors of the Treatment With Pembrolizumab and Olaparib in Patients With Unresectable or Metastatic HER2 Negative Breast Cancer and a Deleterious Germline Mutation or a Homologous Recombination Deficiency (COMPRENDO (COMPRENDO) Recruiting DEU 0
NCT05501548 Phase II Olaparib Phase II Study of PARP Inhibitor Olaparib and IV Ascorbate in Castration Resistant Prostate Cancer Recruiting USA 0
NCT02925234 Phase II Palbociclib Ribociclib Lenvatinib Ipilimumab + Nivolumab Trametinib Crizotinib Niraparib Selpercatinib Olaparib Erlotinib Erdafitinib Dabrafenib Dacomitinib Rucaparib Axitinib Panitumumab Pemigatinib Durvalumab Afatinib Entrectinib Tepotinib Alpelisib Atezolizumab + Bevacizumab Alectinib Regorafenib Cobimetinib + Vemurafenib Nilotinib Vismodegib Abemaciclib Sunitinib Nivolumab Cabozantinib Lorlatinib Talazoparib Dabrafenib + Trametinib Pembrolizumab Pertuzumab + Trastuzumab The Drug Rediscovery Protocol (DRUP Trial) (DRUP) Recruiting NLD 0
NCT05188508 Phase II Olaparib + Pembrolizumab + Temozolomide Pembrolizumab, Olaparib, and Temozolomide for People With Glioma Recruiting USA 0
NCT04779151 Phase II Dostarlimab-gxly + Niraparib Basket Trial Exploring the Efficacy and Safety of the Combination of Niraparib and Dostarlimab (NIRADO) Suspended FRA 0
NCT05700721 Phase II Dostarlimab-gxly + Niraparib Phase II Trial of the PARP Inhibitor Niraparib and PD-1 Inhibitor Dostarlimab in Patients With Advanced Cancers With Active Progressing Brain Metastases (STARLET) Recruiting USA 0
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) Suspended FRA 0
NCT04983745 Phase II Dostarlimab-gxly + Niraparib Niraparib and Dostarlimab in HRD Solid Tumors (DIDO) Recruiting USA 0
NCT05338346 Phase I ATG-018 A Study of ATG-018 (ATR Inhibitor) Treatment in Patients With Advanced Solid Tumors and Hematological Malignancies (ATRIUM) Recruiting AUS 0
NCT04826341 Phase Ib/II Berzosertib + Sacituzumab govitecan-hziy A Phase I/II Study of Sacituzumab Govitecan Plus Berzosertib in Small Cell Lung Cancer, Extra-Pulmonary Small Cell Neuroendocrine Cancer and Homologous Recombination-Deficient Cancers Resistant to PARP Inhibitors Recruiting USA 0
NCT05071209 Phase Ib/II Elimusertib Elimusertib for the Treatment of Relapsed or Refractory Solid Tumors Active, not recruiting USA | CAN 0
NCT05038839 Phase I Cabozantinib + Pamiparib Cabozantinib and Pamiparib for the Treatment of Advanced of Refractory Solid Tumors Recruiting USA 0
NCT04985721 Phase II Pamiparib + Tislelizumab A Trial of Pamiparib With Tislelizumab in Patients With Advanced Tumours With Homologous Recombination Repair Defects (IMPARP-HRD) Recruiting AUS 0
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 USA | NLD | GBR | FRA 3
NCT03810105 Phase II Durvalumab + Olaparib A Study of Olaparib and Durvalumab in Prostate Cancer Terminated USA 0
NCT04336943 Phase II Durvalumab + Olaparib Durvalumab and Olaparib for the Treatment of Prostate Cancer in Men Predicted to Have a High Neoantigen Load Active, not recruiting USA 0
NCT04053322 Phase II Durvalumab + Fulvestrant + Olaparib Durvalumab, With Olaparib and Fulvestrant in Advanced ER+, HER2- Breast Cancer Patients. (DOLAF) Active, not recruiting FRA 0
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 USA 0
NCT05986071 Phase Ib/II Fulvestrant + M1774 I/II Phase Study Evaluating M1774 in Combination With Fulvestrant in HR+ and HER2- Advanced Breast Cancers (MATRIX) Not yet recruiting FRA 0