{"nct_id":"NCT02730455","title":"Safety and Efficacy of Intravenous Natalizumab in Acute Ischemic Stroke","status":"COMPLETED","status_verified_date":"2018-12","start_date":"2016-07-18","start_date_type":"ACTUAL","primary_completion_date":"2017-11-20","primary_completion_date_type":"ACTUAL","completion_date":"2017-11-20","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["BIIB"]}