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Terminated Phase 1Phase 2 Interventional Results available

A Study of the Drugs Talazoparib and Temozolomide in Prostate Cancer

ClinicalTrials.gov ID: NCT04019327

Public ClinicalTrials.gov record NCT04019327. 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 Sep 25, 2026, 4:39 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

A Phase Ib/II Study of Intermittent Talazoparib Plus Temozolomide in Patients With Metastatic Castration Resistant Prostate Cancer and No Mutations in DNA Damage Repair

Brief summary

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

The purpose of this study is to determine what the safest dose of talazoparib plus temozolomide for participants with metastatic castration resistant prostate cancer. The purpose of Phase II is to test the efficacy (effectiveness) of talazoparib and temozolomide at the maximum tolerated dose.

Study identification

NCT ID
NCT04019327
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 1, Phase 2
Enrollment
16 participants

Conditions and interventions

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 10, 2019
Primary completion
Dec 3, 2025
Completion
Dec 3, 2025
Last update posted
Aug 23, 2026

2019 – 2025

United States locations

U.S. sites
9
U.S. states
5
U.S. cities
9
Facility City State ZIP Site status
Memorial Sloan Kettering Basking Ridge (Limited Protocol Activities) Basking Ridge New Jersey 07920 —
Memorial Sloan Kettering Bergen (Limited Protocol Activities) Montvale New Jersey 07645 —
Memorial Sloan Kettering Commack (Limited protocol activity) Commack New York 11725 —
Memorial Sloan Kettering Westchester (Limited Protocol Activities) Harrison New York 10604 —
Memorial Sloan Kettering Cancer Center New York New York 10065 —
Memorial Sloan Kettering Nassau (Limited Protocol Activities) Uniondale New York 11553 —
Lehigh Valley Health Network (Data Collection Only) Allentown Pennsylvania 18103 —
University of Virginia Charlottesville Virginia 22908 —
University of Wisconsin Madison Wisconsin 53792 —

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04019327, 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 23, 2026 · Synced Sep 25, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04019327 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →