{"nct_id":"NCT02881567","title":"Efficacy and Safety of Daclizumab in Participants With RRMS Switching From Natalizumab","status":"TERMINATED","status_verified_date":"2019-09","start_date":"2017-04-18","start_date_type":"ACTUAL","primary_completion_date":"2018-09-12","primary_completion_date_type":"ACTUAL","completion_date":"2018-09-12","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["BIIB"]}