Clinical trialNCT05946213RecruitingPhase 3Interventional

Testing Shorter Duration Radiation Therapy Versus the Usual Radiation Therapy in Patients With High Risk Prostate Cancer

SponsorNRG OncologyEnrollment1,209Prostate AdenocarcinomaStage III Prostate Cancer AJCC v8Stage IVA Prostate Cancer AJCC v8

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.

Karen E Hoffman
NRG Oncology
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

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

Canada

Atlantic Health Sciences Corporation-Saint John Regional Hospital
Saint John, New Brunswick, Canada
Robert D. Thompson
Recruiting
Ottawa Hospital and Cancer Center-General Campus
Ottawa, Ontario, Canada
Scott C. Morgan
Recruiting
Odette Cancer Centre- Sunnybrook Health Sciences Centre
Toronto, Ontario, Canada
Hans Chung
Recruiting
University Health Network-Princess Margaret Hospital
Toronto, Ontario, Canada
Peter W. Chung
Recruiting
Chum - Centre Hospitalier de L'Universite de Montreal
Montreal, Quebec, Canada
Maroie Barkati
Recruiting
Ciusssemtl-Hopital Maisonneuve-Rosemont
Montreal, Quebec, Canada
Peter Vavassis
Recruiting
the Research Institute of the Mcgill University Health Centre (muhc)
Montreal, Quebec, Canada
James Tsui
Recruiting
Chu de Quebec-L'Hotel-Dieu de Quebec (hdq)
Québec, Quebec, Canada
Eric Vigneault
Recruiting
Centre Hospitalier Universitaire de Sherbrooke-Fleurimont
Sherbrooke, Quebec, Canada
Audrey Tetreault-Laflamme
Recruiting

Hong Kong

Pamela Youde Nethersole Eastern Hospital
Chai Wan, Hong Kong
Suspended

Switzerland

Kantonsspital Aarau
Aarau, Switzerland
Oliver Riesterer
Recruiting

United States

the Kirklin Clinic at Acton Road
Birmingham, Alabama, United States
Andrew M. McDonald
Recruiting
University of Alabama at Birmingham Cancer Center
Birmingham, Alabama, United States
Andrew M. McDonald
Recruiting
Lewis and Faye Manderson Cancer Center
Tuscaloosa, Alabama, United States
Augusto C. Ochoa
Recruiting
University of Arkansas for Medical Sciences
Little Rock, Arkansas, United States
Sanjay Maraboyina
Recruiting
Kaiser Permanente-Deer Valley Medical Center
Antioch, California, United States
Samantha A. Seaward
Recruiting
Tower Cancer Research Foundation
Beverly Hills, California, United States
Leslie Ballas
Recruiting
Kaiser Permanente Dublin
Dublin, California, United States
Samantha A. Seaward
Recruiting
Kaiser Permanente-Fremont
Fremont, California, United States
Samantha A. Seaward
Recruiting
Washington Hospital
Fremont, California, United States
Victor E. Chen
Recruiting
Fresno Cancer Center
Fresno, California, United States
Samantha A. Seaward
Recruiting
Kaiser Permanente Fresno Orchard Plaza
Fresno, California, United States
Samantha A. Seaward
Recruiting
Kaiser Permanente-Fresno
Fresno, California, United States
Samantha A. Seaward
Recruiting
Uci Health - Chao Family Comprehensive Cancer Center and Ambulatory Care
Irvine, California, United States
David S. Hong
Recruiting
Cedars-Sinai Medical Center
Los Angeles, California, United States
Leslie Ballas
Recruiting
Kaiser Permanente- Modesto Mob Ii
Modesto, California, United States
Samantha A. Seaward
Recruiting
Kaiser Permanente-Modesto
Modesto, California, United States
Samantha A. Seaward
Recruiting
Kaiser Permanente Oakland-Broadway
Oakland, California, United States
Samantha A. Seaward
Recruiting
Kaiser Permanente-Oakland
Oakland, California, United States
Samantha A. Seaward
Recruiting
Uc Irvine Health/chao Family Comprehensive Cancer Center
Orange, California, United States
David S. Hong
Recruiting
Kaiser Permanente-Rancho Cordova Cancer Center
Rancho Cordova, California, United States
Samantha A. Seaward
Recruiting
Kaiser Permanente- Marshall Medical Offices
Redwood City, California, United States
Samantha A. Seaward
Recruiting
Kaiser Permanente-Richmond
Richmond, California, United States
Samantha A. Seaward
Recruiting
Rohnert Park Cancer Center
Rohnert Park, California, United States
Samantha A. Seaward
Recruiting
Kaiser Permanente-Roseville
Roseville, California, United States
Samantha A. Seaward
Recruiting
the Permanente Medical Group-Roseville Radiation Oncology
Roseville, California, United States
Samantha A. Seaward
Recruiting
Kaiser Permanente Downtown Commons
Sacramento, California, United States
Samantha A. Seaward
Recruiting
Kaiser Permanente-South Sacramento
Sacramento, California, United States
Samantha A. Seaward
Recruiting
South Sacramento Cancer Center
Sacramento, California, United States
Samantha A. Seaward
Recruiting
Kaiser Permanente-San Francisco
San Francisco, California, United States
Samantha A. Seaward
Recruiting

373 more sites on the registry record.ClinicalTrials.gov ↗

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: 14 Dec 2023
Primary completion: 31 Mar 2036
Completion: 31 Mar 2036
Last update posted: 25 Jun 2026
Registered enrollment: 1,209
Registry id: NCT05946213

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.