CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 108 enrolled
Drug / intervention
Apalutamide +2 moredrug
Likely dose
Apalutamide 240 mgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04523207
NCT04523207Phase 2Completed

A Multi-center, Open-label, Single-arm Phase 2 Study of the Adjuvant Treatment of Apalutamide and Androgen Deprivation Therapy (ADT) in Treatment-naïve Participants Who Have Undergone Radical Prostatectomy (RP) for Non-metastatic Prostate Cancer and Who Are at High Risk for Metastases

Janssen Research & Development, LLC·interventional·Posted Aug 21, 2020·Updated Apr 21, 2026

In Brief

A Phase 2 clinical trial evaluating Apalutamide, ADT, and 1 other intervention for Prostatic Neoplasms. Completed, enrolled 108 participants across 32 sites.

Detailed Summary

Main Study: The purpose of main study is to assess if the combination of apalutamide and androgen deprivation therapy (ADT) in participants with high-risk localized prostate cancer improves the biochemical recurrence (BCR) free rate. Sub-study: The purpose of the sub-study is to assess if the co administration of apalutamide and relugolix is able to maintain castrate levels of testosterone.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited States
Collaborators--

Timeline

Phase 2CompletedFinished
202120222023202420252026
First PostedAug 21, 2020
Enrollment StartAug 19, 2020
Primary CompletionOct 23, 2023
Study CompletionOct 25, 2023
TodayJul 2, 2026
Enrollment to primary: 3.2 yearsPosted 5.9 years ago

Interventions

Apalutamidedrug

Participants will receive apalutamide 240 mg (4 tablets of 60 mg each) oral tablets during the main study and sub-study.

ADTdrug

Participants will receive ADT intramuscular or subcutaneously during the main study.

Relugolixdrug

Participants will receive 120 mg of relugolix following a loading dose of 360 mg of (3 tablets of 120 mg each) relugolix during the sub-study.