ClinicalTrials.gov record
Completed Phase 2 Interventional Results available

Apalutamide With or Without Stereotactic Body Radiation in Treating Castration-Resistant Prostate Cancer

ClinicalTrials.gov ID: NCT03503344

Public ClinicalTrials.gov record NCT03503344. 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.

ClinicalTrials.gov public records Last synced May 19, 2026, 8:32 AM EDT

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, Phase II Study of Apalutamide +/- Stereotactic Body Radiotherapy (SBRT) in Castration-Resistant Prostate Cancer Patients With Oligometastatic Disease on PSMA-PET Imaging

Study identification

NCT ID
NCT03503344
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
University of California, San Francisco
Other
Enrollment
26 participants

Conditions and interventions

Interventions

  • Apalutamide Drug
  • Stereotactic Body Radiation Therapy 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
Dec 16, 2019
Primary completion
Dec 30, 2024
Completion
Oct 30, 2025
Last update posted
Jan 20, 2026

2019 – 2025

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
University of California, San Francisco San Francisco California 94115

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03503344, 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 Jan 20, 2026 · Synced May 19, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03503344 live on ClinicalTrials.gov.

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