{"nct_id":"NCT02957617","title":"Extension Study to Evaluate the Long-Term Safety, Tolerability, and Maintenance of Effect of BIIB074","status":"TERMINATED","status_verified_date":"2019-02","start_date":"2017-02-10","start_date_type":"ACTUAL","primary_completion_date":"2019-02-07","primary_completion_date_type":"ACTUAL","completion_date":"2019-02-07","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["BIIB"]}