Clinical trialNCT04423211RecruitingPhase 3Interventional

Treating Prostate Cancer That Has Come Back After Surgery With Apalutamide and Targeted Radiation Based on PET Imaging

SponsorECOG-ACRIN Cancer Research GroupEnrollment804Biochemically Recurrent Prostate CarcinomaMetastatic Prostate CarcinomaProstate AdenocarcinomaStage IVB 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.

Neha Vapiwala
ECOG-ACRIN Cancer Research Group
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

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

United States

Alaska Breast Care and Surgery Llc
Anchorage, Alaska, United States
Alison K. Conlin
Recruiting
Alaska Oncology and Hematology Llc
Anchorage, Alaska, United States
Alison K. Conlin
Recruiting
Alaska Women'S Cancer Care
Anchorage, Alaska, United States
Alison K. Conlin
Recruiting
Anchorage Associates in Radiation Medicine
Anchorage, Alaska, United States
Alison K. Conlin
Recruiting
Anchorage Oncology Centre
Anchorage, Alaska, United States
Suspended
Katmai Oncology Group
Anchorage, Alaska, United States
Alison K. Conlin
Recruiting
Providence Alaska Medical Center
Anchorage, Alaska, United States
Alison K. Conlin
Recruiting
Fairbanks Memorial Hospital
Fairbanks, Alaska, United States
Suspended
Cancer Center at Saint Joseph'S
Phoenix, Arizona, United States
Shahzad Siddique
Recruiting
Mercy Hospital Fort Smith
Fort Smith, Arkansas, United States
Jay W. Carlson
Recruiting
Mission Hope Medical Oncology - Arroyo Grande
Arroyo Grande, California, United States
Shahzad Siddique
Recruiting
Providence Saint Joseph Medical Center/disney Family Cancer Center
Burbank, California, United States
Alison K. Conlin
Recruiting
Mercy Cancer Center - Carmichael
Carmichael, California, United States
Shahzad Siddique
Recruiting
Mercy San Juan Medical Center
Carmichael, California, United States
Shahzad Siddique
Recruiting
City of Hope Corona
Corona, California, United States
Scott M. Glaser
Recruiting
City of Hope Comprehensive Cancer Center
Duarte, California, United States
Scott M. Glaser
Recruiting
Mercy Cancer Center - Elk Grove
Elk Grove, California, United States
Shahzad Siddique
Recruiting
Uc San Diego Health System - Encinitas
Encinitas, California, United States
James M. Randall
Recruiting
Uc San Diego Moores Cancer Center
La Jolla, California, United States
James M. Randall
Recruiting
City of Hope Antelope Valley
Lancaster, California, United States
Scott M. Glaser
Recruiting
Los Angeles General Medical Center
Los Angeles, California, United States
Active, not recruiting
Ucla / Jonsson Comprehensive Cancer Center
Los Angeles, California, United States
Amar Kishan
Recruiting
Usc / Norris Comprehensive Cancer Center
Los Angeles, California, United States
Active, not recruiting
Mercy Cancer Center
Merced, California, United States
Suspended
Va Palo Alto Health Care System
Palo Alto, California, United States
Active, not recruiting
Mercy Cancer Center - Rocklin
Rocklin, California, United States
Shahzad Siddique
Recruiting
Mercy Cancer Center - Sacramento
Sacramento, California, United States
Shahzad Siddique
Recruiting
Uc San Diego Medical Center - Hillcrest
San Diego, California, United States
James M. Randall
Recruiting
Pacific Central Coast Health Center-San Luis Obispo
San Luis Obispo, California, United States
Shahzad Siddique
Recruiting
Mission Hope Medical Oncology - Santa Maria
Santa Maria, California, United States
Shahzad Siddique
Recruiting
City of Hope South Pasadena
South Pasadena, California, United States
Scott M. Glaser
Recruiting
Saint Joseph'S Medical Center
Stockton, California, United States
Shahzad Siddique
Recruiting
City of Hope Upland
Upland, California, United States
Scott M. Glaser
Recruiting
Bass Medical Group - Lennon
Walnut Creek, California, United States
Active, not recruiting
Woodland Memorial Hospital
Woodland, California, United States
Shahzad Siddique
Recruiting
Rocky Mountain Cancer Centers-Aurora
Aurora, Colorado, United States
Active, not recruiting
Rocky Mountain Cancer Centers-Boulder
Boulder, Colorado, United States
Active, not recruiting
Penrose-Saint Francis Healthcare
Colorado Springs, Colorado, United States
Shahzad Siddique
Recruiting
Rocky Mountain Cancer Centers-Penrose
Colorado Springs, Colorado, United States
Shahzad Siddique
Recruiting
Saint Francis Cancer Center
Colorado Springs, Colorado, United States
Shahzad Siddique
Recruiting

302 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: 8 Oct 2020
Primary completion: 31 Dec 2032
Completion: 31 Dec 2032
Last update posted: 18 Jun 2026
Registered enrollment: 804
Registry id: NCT04423211

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.