{"nct_id":"NCT00754520","title":"A Study Comparing Ceramic-on-metal Articulation to Metal-on-metal Articulation in Cementless Primary Hip Arthroplasty","status":"COMPLETED","status_verified_date":"2024-07","start_date":"2009-05","start_date_type":null,"primary_completion_date":"2021-12","primary_completion_date_type":"ACTUAL","completion_date":"2021-12","completion_date_type":"ACTUAL","phases":["NA"],"tickers":["ZBH"]}