{"nct_id":"NCT00297232","title":"Natalizumab (Tysabri) Re-Initiation of Dosing","status":"TERMINATED","status_verified_date":"2015-05","start_date":"2006-03","start_date_type":null,"primary_completion_date":"2014-04","primary_completion_date_type":"ACTUAL","completion_date":"2014-04","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["BIIB"]}