{"nct_id":"NCT00449176","title":"A Study to Evaluate the Effectiveness and Safety of Tapentadol (CG5503) Extended Release (ER) in Patients With Moderate to Severe Chronic Low Back Pain","status":"COMPLETED","status_verified_date":"2012-04","start_date":"2007-02","start_date_type":null,"primary_completion_date":"2008-05","primary_completion_date_type":"ACTUAL","completion_date":"2008-05","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["JNJ"]}