{"nct_id":"NCT00442546","title":"Efficacy And Safety Of Pregabalin For Pain Following Total Knee Replacement","status":"COMPLETED","status_verified_date":"2018-10","start_date":"2007-05","start_date_type":null,"primary_completion_date":"2008-12","primary_completion_date_type":"ACTUAL","completion_date":"2008-12","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["PFE"]}