OncRef

Clinical Trial: NCT03395197

Talazoparib + Enzalutamide vs. Enzalutamide Monotherapy in mCRPC

Status:

ACTIVE NOT RECRUITING

Phase:

Phase 3

Lead Sponsor:Pfizer
Information Provided By:Pfizer
Last Update Posted:2026-10-14

Study Overview

Brief Summary

This study compares rPFS in men with mCRPC treated with talazoparib plus enzalutamide vs. enzalutamide after confirmation of the starting dose of talazoparib in combination with enzalutamide.

Official Title

A PHASE 3, RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED STUDY OF TALAZOPARIB WITH ENZALUTAMIDE IN METASTATIC CASTRATION-RESISTANT PROSTATE CANCER

Conditions

mCRPC

Intervention / Treatment

  • Drug: Talazoparib with enzalutamide
  • Drug: Placebo with enzalutamide

Other Study ID Numbers

  • C3441021
  • 2017-003295-31
  • TALAPRO-2
  • 2023-509087-20-00
  • 2023
  • 2017

Start Date (Actual)

2017-12-18

Primary Completion Date (Actual)

2022-10-03

Study Completion Date (Estimated)

2027-06-30

Enrollment (Actual)

1054

Study Type

Interventional

Phase

Phase 3