{"nct_id":"NCT00241722","title":"Long-Term Safety Evaluation Of Treatment Of Constipation Due To Opioids Being Taken For Persistent Non-Cancer Pain","status":"COMPLETED","status_verified_date":"2017-08","start_date":"2005-08-01","start_date_type":"ACTUAL","primary_completion_date":"2007-02-01","primary_completion_date_type":"ACTUAL","completion_date":"2007-02-01","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["MRK"]}