{"nct_id":"NCT00331045","title":"Clinical Evaluation Of Alvimopan (SB767905) On Constipation And Related Symptoms Associated With Opioid","status":"TERMINATED","status_verified_date":"2009-09","start_date":"2006-04","start_date_type":null,"primary_completion_date":"2006-10","primary_completion_date_type":"ACTUAL","completion_date":"2006-12","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["MRK"]}