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NCT04666129PHASE1COMPLETED

Study of Relugolix in Men With Metastatic Castration-Sensitive Prostate Cancer or Non-Metastatic or Metastatic Castration-Resistant Prostate Cancer

A Phase 1, Three-Part, Open-Label, Parallel-Cohort Safety and Tolerability Study of Relugolix in Combination With Abiraterone Acetate Plus a Corticosteroid, Apalutamide, or Docetaxel With or Without Prednisone in Men With Metastatic Castration-Sensitive Prostate Cancer or Non-Metastatic or Metastatic Castration-Resistant Prostate Cancer

Sponsor: Sumitomo Pharma America, Inc.

No open prediction endpoints

Endpoints are classified and published by ProgramSignal analysts.

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Key Facts

Study type
INTERVENTIONAL
Conditions
Metastatic Castration-Resistant Prostate Cancer, Metastatic Castration-Sensitive Prostate Cancer, Non-Metastatic Castration-Resistant Prostate Cancer
Interventions
Relugolix, Abiraterone, Prednisone, Methylprednisolone
Enrollment
48 participants
Primary completion
May 2024
Study completion
May 2024
First posted
Dec 2020
Last updated
Aug 2025

Primary Endpoints (CT.gov)

Incidence of Adverse Events

Time frame: Baseline through Week 13

Secondary Endpoints

Mean Testosterone Serum Concentrations at Baseline (Day 1), Week 5, and Week 13

Number and Proportion of Participants with Testosterone Concentrations ≥ 50 ng/dL at Baseline (Day 1), Week 5, and Week 13

Relugolix Trough Concentrations at Baseline (Day 1), Week 3, Week 5, Week 9, and Week 13

Eligibility Criteria

Key Inclusion Criteria: 1. A previous diagnosis of adenocarcinoma of the prostate confirmed by histologic or cytologic evidence and with a documented medical history of either: * mCSPC (Parts 1, 2, and 3) defined as having at least two of three risk factors at the baseline (Day 1) visit: * Total Gleason score of ≥ 6; and * Presence of ≥ 2 metastatic lesions on bone scan; OR * Radiologic evidence of measurable visceral metastases with exception of hepatic metastases. * nmCRPC (Part 2 only) defined as disease progression despite maintaining castration levels of testosterone with androgen deprivation therapy (ADT), as evidenced by an increase in consecutive prostate-specific antigen (PSA) concentrations (2 measurements, at least one week apart). * mCRPC (Parts 1 and 3) defined as disease progression despite maintaining castration levels of testosterone with ADT: * An increase in consecutive PSA (2 measurements at least 1 week apart); or * Worsening cl

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✦ Analyst Commentary

Expert commentary on why this trial matters and what to watch for.

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Source

Open on ClinicalTrials.gov