{"nct_id":"NCT00648141","title":"Safety and Efficacy of Celecoxib Versus Diclofenac in the Treatment of Ankylosing Spondylitis","status":"COMPLETED","status_verified_date":"2008-03","start_date":"2003-01","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2005-01","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["PFE"]}