{"nct_id":"NCT00032799","title":"Safety and Efficacy of Natalizumab in the Treatment of Crohn's Disease","status":"COMPLETED","status_verified_date":"2012-03","start_date":"2001-12","start_date_type":null,"primary_completion_date":"2003-09","primary_completion_date_type":"ACTUAL","completion_date":"2003-09","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["BIIB"]}