{"nct_id":"NCT03431350","title":"A Study of Niraparib Combination Therapies for the Treatment of Metastatic Castration-Resistant Prostate Cancer","status":"ACTIVE_NOT_RECRUITING","status_verified_date":"2025-09","start_date":"2018-03-02","start_date_type":"ACTUAL","primary_completion_date":"2021-08-31","primary_completion_date_type":"ACTUAL","completion_date":"2025-12-31","completion_date_type":"ESTIMATED","phases":["PHASE2"],"tickers":["JNJ"]}