A Study of Adding Apalutamide to Radiotherapy and LHRH Agonist in High-Risk Patients With Hormone-Sensitive Prostate Cancer
Public ClinicalTrials.gov record NCT04557059. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Randomized, Controlled, Multicenter, Open-label Study to Investigate the Efficacy and Safety of Adding Apalutamide to Radiotherapy and LHRH Agonist in High-Risk Patients With Hormone-Sensitive Prostate Cancer, Assessed by PSMA-PET With an Observational Cohort
Study identification
- NCT ID
- NCT04557059
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Janssen Pharmaceutica N.V., Belgium
- Industry
- Enrollment
- 693 participants
Conditions and interventions
Conditions
Interventions
- Apalutamide Drug
- LHRHa Drug
- Radiotherapy Radiation
Drug · Radiation
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- Male
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Nov 11, 2020
- Primary completion
- Aug 26, 2029
- Completion
- Aug 26, 2029
- Last update posted
- Apr 12, 2026
2020 – 2029
United States locations
- U.S. sites
- 13
- U.S. states
- 12
- U.S. cities
- 13
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Arizona Urology Specialists | Tucson | Arizona | 85741 | — |
| Arkansas Urology | Little Rock | Arkansas | 72211 | — |
| Colorado Clinical Research | Lakewood | Colorado | 80228 | — |
| Urological Research Network | Hialeah | Florida | 33016 | — |
| First Urology, PSC | Jeffersonville | Indiana | 47130 | — |
| Michigan Institute of Urology | Troy | Michigan | 48084 | — |
| Associated Medical Professionals of Ny | Syracuse | New York | 13210 | — |
| The Urology Group | Cincinnati | Ohio | 45212 | — |
| Oregon Urology Institute | Springfield | Oregon | 97477 | — |
| MidLantic Urology | Bala-Cynwyd | Pennsylvania | 19004 | — |
| Urology Austin | Austin | Texas | 78745 | — |
| Houston Metro Urology | Houston | Texas | 77027 | — |
| Spokane Urology | Spokane | Washington | 99202 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 128 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04557059, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 12, 2026 · Synced May 6, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04557059 live on ClinicalTrials.gov.