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Clinical Study to Assess the Efficacy and Safety of Olaparib in Chinese Patients With Metastatic Castration-Resistant Prostate Cancer Who Have Failed Prior Treatment With a New Hormonal Agent and Have BRCA1/2 Mutations
MinorTrial status: Completed to Active, Not RecruitingCompletion date: Jul 30, 2025 to Dec 31, 2026v29Show 1 more changeShow less
Completion date: Jul 30, 2025 to Dec 31, 2026
NotableResults first posted: Dec 19, 2025Primary endpoint revised · Trial status: Active, Not Recruiting to Completed · Study completion date changed from estimate of Sep 30, 2025 to Jul 30, 2025 · 1 morev28Show 4 more changesShow less
Primary endpoint revised
Trial status: Active, Not Recruiting to Completed
Study completion date changed from estimate of Sep 30, 2025 to Jul 30, 2025
MinorPrimary completion date changed from estimate of Sep 2, 2024 to Oct 22, 2024v24
MinorPrimary completion date: Aug 5, 2024 to Sep 2, 2024v23
MinorPrimary completion date: Jun 28, 2024 to Aug 5, 2024Site details revised at 2 of 35 sitesv22Show 1 more changeShow less
Site details revised at 2 of 35 sites
MinorRe-verified, no change to tracked fieldsv21
MinorTrial status: Recruiting to Active, Not RecruitingEnrollment target: estimated 42 to confirmed 43 · Study sites: 37 to 35v20Show 2 more changesShow less
Enrollment target: estimated 42 to confirmed 43
Study sites: 37 to 35
MinorSite details revised at 1 of 37 sitesv19
Minor3 versionsRe-verified since Sep 6, 2023, no change to tracked fieldsv16-v18
NotablePrimary completion date: Dec 29, 2023 to Jun 28, 2024Completion date: Feb 28, 2025 to Sep 30, 2025v15Show 1 more changeShow less
Completion date: Feb 28, 2025 to Sep 30, 2025
MinorRe-verified, no change to tracked fieldsv14
MinorSite details revised at 2 of 37 sitesv13
MinorSite details revised at 2 of 37 sitesv12
MinorStudy sites: 36 to 37v11
MinorSite details revised at 8 of 36 sitesv10
MinorSite details revised at 5 of 36 sitesv9
MinorSite details revised at 3 of 36 sitesv8
MinorSite details revised at 7 of 36 sitesv7
MinorStudy sites: 35 to 36v6
MinorStudy sites: 34 to 35v5
MinorStudy sites: 25 to 34v4
MinorStudy sites: 8 to 25v3
NotableTrial status: Not Yet Recruiting to RecruitingStudy sites: 6 to 8v2Show 1 more changeShow less
Study sites: 6 to 8
MinorStudy First Submitted
Stopped: an ongoing trial was terminated, suspended or withdrawn.
Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
Minor: routine progress and housekeeping, such as sites added or enrollment closed.
The purpose of this study is to evaluate the efficacy and safety of Olaparib compared with standard of care (Enzalutamide or Abiraterone Acetate) in Chinese men with metastatic castration-resistant prostate cancer who have failed prior treatment with a new hormonal agent and have BRCA1/2 mutations.
Trial Details
NCT Number
NCT05457257
Lead Sponsor
AstraZeneca Collaborators: Merck Sharp & Dohme LLC, Foundation Medicine, Myriad Genetics, Inc.