{"nct_id":"NCT00749476","title":"Study Evaluating BeneFIX in Patients With Haemophilia B, Previously Treated With Plasma Derived Factor IX","status":"COMPLETED","status_verified_date":"2011-06","start_date":"2008-04","start_date_type":null,"primary_completion_date":"2009-01","primary_completion_date_type":"ACTUAL","completion_date":"2009-01","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["PFE"]}