{"nct_id":"NCT00083759","title":"Natalizumab in the Treatment of Rheumatoid Arthritis in Subjects Receiving Methotrexate","status":"TERMINATED","status_verified_date":"2009-04","start_date":"2004-05","start_date_type":null,"primary_completion_date":"2005-02","primary_completion_date_type":"ACTUAL","completion_date":null,"completion_date_type":null,"phases":["PHASE2"],"tickers":["BIIB"]}