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Study of I-131-1095 Radiotherapy in Combination With Enzalutamide in Patients With Metastatic Castration-resistant Prostate Cancer Who Are Chemotherapy Naive and Have Progressed on Abiraterone — ARROW  

Metastatic Prostate Cancer Clinical Trial

Official title:
A Multicenter, Randomized, Controlled Phase 2 Study: Efficacy and Safety of I-131-1095 Radiotherapy in Combination With Enzalutamide in Metastatic Castration-resistant Prostate Cancer (mCRPC) Patients Who Are 18F-DCFPyL Prostate-specific Membrane Antigen (PSMA)-Avid, Chemotherapy-naive, and Progressed on Abiraterone

Clinical Trial Summary

This is a multicenter, randomized, controlled, phase 2 clinical trial designed to evaluate the safety and efficacy of I-131-1095 radiotherapy in combination with enzalutamide compared to enzalutamide alone in participants with prostate-specific membrane antigen (PSMA)-avid metastatic castration resistant prostate cancer (mCRPC) who have progressed on abiraterone. Participants must be chemotherapy-naive and must be ineligible or refuse to receive taxane-based chemotherapy at time of study entry. PSMA-avidity will be determined by central imaging review based on assessment of 18F-DCFPyL PET/CT imaging during screening. Eligible participants meeting the PSMA-avidity criteria will be randomized in a 2:1 ratio to receive either I-131-1095 in combination with enzalutamide (80 participants) or enzalutamide alone (40 participants). An interim analysis for efficacy will be performed after a minimum of 48 evaluable participants have PSA data for at least three months following the first dose of randomized treatment. All participants will be followed for efficacy, safety assessments, survival status, adverse events of special interest, and new anti-cancer therapy for at least one year or to the end of the study (whichever is later) following the first dose of randomized treatment. Safety data will be monitored by an independent Data Monitoring Committee and the sponsor.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03939689
Study type Interventional
Source Progenics Pharmaceuticals, Inc.
Contact
Status Active, not recruiting
Phase Phase 2
Start date May 30, 2019
Completion date September 24, 2024
View Details
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