{"nct_id":"NCT00321620","title":"Study of Denosumab vs. Zoledronic Acid to Treat Bone Metastases in Men With Hormone-refractory Prostate Cancer","status":"COMPLETED","status_verified_date":"2018-08","start_date":"2006-04-01","start_date_type":"ACTUAL","primary_completion_date":"2009-10-01","primary_completion_date_type":"ACTUAL","completion_date":"2012-02-24","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["AMGN"]}