{"nct_id":"NCT00037557","title":"Study Evaluating rFIX; BeneFIX in Severe Hemophilia B","status":"COMPLETED","status_verified_date":"2007-12","start_date":"2002-09","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2007-11","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["PFE"]}