{"nct_id":"NCT02142205","title":"Safety and Efficacy of Natalizumab (BG00002, Tysabri®) in Russian Participants With Relapsing Remitting Multiple Sclerosis (RRMS)","status":"COMPLETED","status_verified_date":"2014-05","start_date":"2012-05","start_date_type":null,"primary_completion_date":"2013-12","primary_completion_date_type":"ACTUAL","completion_date":"2013-12","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["BIIB"]}