{"nct_id":"NCT01814878","title":"A Study Comparing the Effectiveness and Safety of Extended Release (ER) Tramadol Hydrochloride (HCl)/Acetaminophen With Immediate Release (IR) Tramadol HCl/Acetaminophen in Participants With Moderate to Severe Postoperative Pain","status":"COMPLETED","status_verified_date":"2013-06","start_date":"2009-11","start_date_type":null,"primary_completion_date":"2011-01","primary_completion_date_type":"ACTUAL","completion_date":"2011-02","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["JNJ"]}