{"nct_id":"NCT00649610","title":"Randomized, Double Blind, Multicenter Study of the Safety and Efficacy of Valdecoxib 40 mg Once Daily Compared With Diclofenac 75 mg Twice Daily in Acute Low Back Pain","status":"COMPLETED","status_verified_date":"2008-03","start_date":"2002-11","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2003-05","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["PFE"]}