{"nct_id":"NCT01416155","title":"Extension Study to Evaluate Safety and Efficacy of Natalizumab in Japanese Participants With Relapsing-Remitting Multiple Sclerosis","status":"COMPLETED","status_verified_date":"2015-12","start_date":"2010-10","start_date_type":null,"primary_completion_date":"2014-12","primary_completion_date_type":"ACTUAL","completion_date":"2014-12","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["BIIB"]}