EichorEICHOR
Study identifier: NCT03748641 Synced from ClinicalTrials.gov · August 02, 2026
● Active Not Recruiting

A Study of Niraparib in Combination With Abiraterone Acetate and Prednisone Versus Abiraterone Acetate and Prednisone for Treatment of Participants With Metastatic Prostate Cancer

Condition: Castration-Resistant Prostatic Cancer  ·  Sponsor: Janssen Research & Development, LLC

PhasePhase 3
Planned participants765
Who can joinMale, 18 Years to no upper limit
Healthy volunteersNo

About this study

The purpose of this study is to evaluate the effectiveness of niraparib in combination with abiraterone acetate plus prednisone (AAP) compared to AAP and placebo.

This description comes directly from the study's public registry record.

Talk to the study team

No contact information is available for this study as per the public registry record.

Always discuss trial participation with your own doctor first.

Locations (318)

Urology Centers Of AlabamaHomewood, Alabama, United States
Mayo Clinic ArizonaPhoenix, Arizona, United States
Urological Associates of Southern Arizona, P.C.Tucson, Arizona, United States
Arkansas UrologyLittle Rock, Arkansas, United States
Kaiser PermanenteRiverside, California, United States
San Bernardino Urological AssociatesSan Bernardino, California, United States
University of California San FranciscoSan Francisco, California, United States
Sansum Clinic PharmSanta Barbara, California, United States
The Urology Center of ColoradoDenver, Colorado, United States
Colorado Clinical ResearchLakewood, Colorado, United States
VA Connecticut HealthcareWest Haven, Connecticut, United States
Bay Pines VA Healthcare SystemBay Pines, Florida, United States

+ 306 more locations — full list on the registry record.

Follow this study

Save your interest here for when the public record changes — results posted, or the study's status changes. Email alerts for this study aren't switched on yet.

We keep this only about this public record, and never email you without alerts being switched on. Want it removed at any time? Email hello@eichor.com. Never medical advice. By subscribing you agree to our Terms of Use and Privacy Policy.

Is this your study? This page was generated automatically from the public registry record. Sponsors can claim it — free — to add branding and verified contact routing. Claim this page →