Testing the Addition of the Drug Relugolix to the Usual Radiation Therapy for Advanced-Stage Prostate Cancer, The NRG Promethean Study
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.
- Bridget F Koontz
NRG Oncology
Principal Investigator
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
245 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.
- University Health Network-Princess Margaret Hospital
Toronto, Ontario, Canada
- Chum - Centre Hospitalier de L'Universite de Montreal
Montreal, Quebec, Canada
- Chu de Quebec-L'Hotel-Dieu de Quebec (hdq)
Québec, Quebec, Canada
- Cancer Center at Saint Joseph'S
Phoenix, Arizona, United States
- Alta Bates Summit Medical Center-Herrick Campus
Berkeley, California, United States
- Tower Cancer Research Foundation
Beverly Hills, California, United States
- Marin General Hospital
Greenbrae, California, United States
- Uci Health - Chao Family Comprehensive Cancer Center and Ambulatory Care
Irvine, California, United States
- Cedars-Sinai Medical Center
Los Angeles, California, United States
- Los Angeles General Medical Center
Los Angeles, California, United States
- Usc / Norris Comprehensive Cancer Center
Los Angeles, California, United States
- Memorial Medical Center
Modesto, California, United States
- Uc Irvine Health/chao Family Comprehensive Cancer Center
Orange, California, United States
- Sutter Medical Center Sacramento
Sacramento, California, United States
- Sutter Pacific Medical Foundation
Santa Rosa, California, United States
- Sutter Solano Medical Center/cancer Center
Vallejo, California, United States
- Uchealth University of Colorado Hospital
Aurora, Colorado, United States
- Rocky Mountain Cancer Centers-Boulder
Boulder, Colorado, United States
- Memorial Hospital North
Colorado Springs, Colorado, United States
- Uchealth Memorial Hospital Central
Colorado Springs, Colorado, United States
- Adventhealth Porter
Denver, Colorado, United States
- Shaw Cancer Center
Edwards, Colorado, United States
- Cancer Care and Hematology-Fort Collins
Fort Collins, Colorado, United States
- Poudre Valley Hospital
Fort Collins, Colorado, United States
- Banner North Colorado Medical Center
Greeley, Colorado, United States
- Uchealth Greeley Hospital
Greeley, Colorado, United States
- Uchealth Highlands Ranch Hospital
Highlands Ranch, Colorado, United States
- Adventhealth Littleton
Littleton, Colorado, United States
- Banner North Colorado Medical Center - Loveland Campus
Loveland, Colorado, United States
- Medical Center of the Rockies
Loveland, Colorado, United States
- Adventhealth Parker
Parker, Colorado, United States
- Beebe South Coastal Health Campus
Millville, Delaware, United States
- Helen F Graham Cancer Center
Newark, Delaware, United States
- Medical Oncology Hematology Consultants Pa
Newark, Delaware, United States
- Beebe Health Campus
Rehoboth Beach, Delaware, United States
- George Washington University Medical Center
Washington D.C., District of Columbia, United States
- Adventhealth Altamonte
Altamonte Springs, Florida, United States
- Adventhealth Celebration
Celebration, Florida, United States
- Jupiter Medical Center
Jupiter, Florida, United States
- Genesiscare Usa - Lakewood Ranch
Lakewood Rch, Florida, 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
- 20 Apr 2022
- Primary completion
- 1 Feb 2029
- Completion
- 1 Feb 2029
- Last update posted
- 25 Jun 2026
- Registered enrollment
- 194
- Registry id
- NCT05053152
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.