{"nct_id":"NCT00101998","title":"Study Of Alvimopan Drug For Treatment Of Constipation Due To Prescription Pain Medication","status":"COMPLETED","status_verified_date":"2017-08","start_date":"2003-10-01","start_date_type":"ACTUAL","primary_completion_date":"2006-05-01","primary_completion_date_type":"ACTUAL","completion_date":"2006-05-01","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["MRK"]}