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Active, not recruiting Phase 3 Interventional Results available

Study on Olaparib Plus Abiraterone as First-line Therapy in Men With Metastatic Castration-resistant Prostate Cancer

ClinicalTrials.gov ID: NCT03732820

Public ClinicalTrials.gov record NCT03732820. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 22, 2026, 1:16 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomised, Double-blind, Placebo-controlled, Multicentre Phase III Study of Olaparib Plus Abiraterone Relative to Placebo Plus Abiraterone as First-line Therapy in Men With Metastatic Castration-resistant Prostate Cancer (PROpel Study)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to evaluate the efficacy and safety (including evaluating side effects) of combination of olaparib and abiraterone versus placebo and abiraterone in patients with metastatic castration-resistant prostate cancer (mCRPC) who have received no prior cytotoxic chemotherapy or new hormonal agents (NHAs) at metastatic castration-resistant prostate cancer (mCRPC) stage.

Study identification

NCT ID
NCT03732820
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 3
Lead sponsor
AstraZeneca
Industry
Enrollment
895 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 99 Years
Sex
Male
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Oct 31, 2018 (Actual)
Primary completion
Jul 30, 2021 (Actual)
Completion
Feb 5, 2027 (Estimated)
Last update posted
Aug 18, 2026

2018 – 2027

United States locations

U.S. sites
28
U.S. states
18
U.S. cities
26
Facility City State ZIP Site status
Research Site Birmingham Alabama 35209 —
Research Site Anchorage Alaska 99503 —
Research Site Tucson Arizona 85704 —
Research Site Tucson Arizona 85741 —
Research Site Clovis California 93611 —
Research Site Los Angeles California 90027 —
Research Site Los Angeles California 90073 —
Research Site Sacramento California 95817 —
Research Site San Diego California 92123 —
Research Site Denver Colorado 80211 —
Research Site Lisle Illinois 60532 —
Research Site Jeffersonville Indiana 47130 —
Research Site New Orleans Louisiana 70112 —
Research Site Detroit Michigan 48202 —
Research Site Grand Rapids Michigan 49503 —
Research Site St Louis Missouri 63106 —
Research Site Bozeman Montana 59715 —
Research Site Omaha Nebraska 68130 —
Research Site Paramus New Jersey 07652 —
Research Site Brooklyn New York 11220 —
Research Site New Hyde Park New York 11042 —
Research Site Rochester New York 14642 —
Research Site Syracuse New York 13210 —
Research Site Durham North Carolina 27710 —
Research Site Philadelphia Pennsylvania 19111 —
Research Site Charleston South Carolina 29425 —
Research Site Myrtle Beach South Carolina 29572 —
Research Site Milwaukee Wisconsin 53226 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 104 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03732820, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Aug 18, 2026 · Synced Oct 22, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03732820 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →