{"nct_id":"NCT01631513","title":"An Open-label Evaluation of Tapentadol Extended Release (ER) in Participants With Moderate to Severe Chronic Pain After Conversion From Hydrocodone, Oxycodone Controlled Release (CR), and/or Morphine Sustained Release (SR)","status":"WITHDRAWN","status_verified_date":"2016-11","start_date":"2012-08","start_date_type":null,"primary_completion_date":"2012-08","primary_completion_date_type":"ACTUAL","completion_date":"2013-04","completion_date_type":"ESTIMATED","phases":["PHASE4"],"tickers":["JNJ"]}