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Completed Phase 2 Interventional Results available

A Study of Talazoparib in Men With DNA Repair Defects and Metastatic Castration-Resistant Prostate Cancer

ClinicalTrials.gov ID: NCT03148795

Public ClinicalTrials.gov record NCT03148795. 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 May 13, 2026, 10:25 AM EDT

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

Official title

TALAPRO-1: A PHASE 2, OPEN-LABEL, RESPONSE RATE STUDY OF TALAZOPARIB IN MEN WITH DNA REPAIR DEFECTS AND METASTATIC CASTRATION-RESISTANT PROSTATE CANCER WHO PREVIOUSLY RECEIVED TAXANE-BASED CHEMOTHERAPY AND PROGRESSED ON AT LEAST 1 NOVEL HORMONAL AGENT (ENZALUTAMIDE AND/OR ABIRATERONE ACETATE/PREDNISONE)

Study identification

NCT ID
NCT03148795
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Pfizer
Industry
Enrollment
128 participants

Conditions and interventions

Interventions

  • Talazoparib Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
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
Jul 3, 2017
Primary completion
Sep 3, 2020
Completion
Mar 30, 2023
Last update posted
Apr 4, 2024

2017 – 2023

United States locations

U.S. sites
42
U.S. states
11
U.S. cities
26
Facility City State ZIP Site status
Arizona Oncology Associates Tempe Arizona 85284
City of Hope (City of Hope National Medical Center, City of Hope Medical Center) Duarte California 91010
City of Hope-Antelope Valley Lancaster California 93534
UC Irvine Health Investigational Drug Pharmacy Orange California 92868
University of California, Irvine Medical Center Orange California 92868
Medical Oncology Associates-SD San Diego California 92123
Sharp Outpatient Infusion Therapy Center San Diego California 92123
Sharp Rees-Stealy San Diego California 92123
Emory University Hospital Atlanta Georgia 30322
The Emory Clinic Atlanta Georgia 30322
Winship Cancer Institute, Emory University Atlanta Georgia 30322
Piedmont Cancer Institute, PC Fayetteville Georgia 30214
Piedmont Cancer Institute, PC Newnan Georgia 30265
Siteman Cancer Center - St. Peters City of Saint Peters Missouri 63376
Siteman Cancer Center - West County Creve Coeur Missouri 63141
Barnes-Jewish Hospital St Louis Missouri 63110
Washington University School of Medicine St Louis Missouri 63110
Siteman Cancer Center - South County St Louis Missouri 63129
Christian Hospital North East St Louis Missouri 63136
Weill Cornell Medical Center - New York Presbyterian Hospital New York New York 10021
Weill Cornell Medical Center-New York Presbyterian Hospital New York New York 10021
Levine Cancer Institute-Albermarle Albemarle North Carolina 28001
Carolinas Medical Center Charlotte North Carolina 28203
Levine Cancer Institute Charlotte North Carolina 28204
Levine Cancer Institute-Pineville Charlotte North Carolina 28210
Levine Cancer Institute-Southpark Charlotte North Carolina 28211
Levine Cancer Institute-University Charlotte North Carolina 28262
Levine Cancer Institute-Ballantyne Charlotte North Carolina 28277
Levine Cancer Institute- Gaston Gastonia North Carolina 28054
Levine Cancer Institute-Lincolnton Lincolnton North Carolina 28092
Levine Cancer Institute-Monroe Monroe North Carolina 28112
Carolina Urologic Research Center Myrtle Beach South Carolina 29572
Parkway Surgery Center Myrtle Beach South Carolina 29572
Levine Cancer Institute-Rock Hill Rock Hill South Carolina 29732
The University of Texas Health Science Center at Tyler dba UT Health East Texas HOPE Cancer Center Tyler Texas 75701
Virginia Oncology Associates Hampton Virginia 23666
Virginia Oncology Associates Norfolk Virginia 23502
Swedish Cancer Institute Edmonds Campus Edmonds Washington 98026
Swedish Cancer Institute Issaquah Campus Issaquah Washington 98029
Swedish Cancer Institute Seattle Washington 98104
Swedish Medical Center Seattle Washington 98122
Froedtert Hospital/Medical College of Wisconsin 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 78 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03148795, 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 Apr 4, 2024 · Synced May 13, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03148795 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →