{"nct_id":"NCT00255268","title":"CMAB vs IMAB in Metastatic Prostate Cancer","status":"WITHDRAWN","status_verified_date":"2007-08","start_date":"2004-08","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":null,"completion_date_type":null,"phases":["PHASE4"],"tickers":["AZN"]}