{"nct_id":"NCT00633438","title":"Effect of Celecoxib Versus Placebo Before and After Knee Surgery on Overall Use of Analgesics After Surgery","status":"COMPLETED","status_verified_date":"2021-02","start_date":"2004-01","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2004-06","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["PFE"]}