Clinical trialNCT03076203CompletedPhase 1Interventional

Phase IB Trial of Radium-223 and Niraparib in Patients With Castrate Resistant Prostate Cancer (NiraRad)

SponsorSidney Kimmel Comprehensive Cancer Center at Thomas Jefferson UniversityEnrollment14Hormone-refractory Prostate CancerProstate Carcinoma Metastatic to the BoneStage IV Prostate Adenocarcinoma

View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

William Kelly, DO
Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
Principal Investigator
clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

6 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

University of Alabama
Birmingham, Alabama, United States
University of Chicago Medical Center
Chicago, Illinois, United States
Tulane University
New Orleans, Louisiana, United States
Beth Israel Deaconess Medical Center
Boston, Massachusetts, United States
Dana-Farber Cancer Institute
Boston, Massachusetts, United States
Sidney Kimmel Cancer Center at Thomas Jefferson University
Philadelphia, Pennsylvania, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 22 Sept 2017
Primary completion: 13 Jan 2020
Completion: 7 Nov 2022
Last update posted: 29 Apr 2025
Registered enrollment: 14
Registry id: NCT03076203

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.