{"nct_id":"NCT00633386","title":"Effect of Celecoxib Versus Placebo Before and After Knee Surgery on the Overall Use of Analgesics After Surgery","status":"COMPLETED","status_verified_date":"2021-02","start_date":"2003-02","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2003-08","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["PFE"]}