{"nct_id":"NCT01332019","title":"Long-Term Safety and Efficacy Study of Peginterferon Beta-1a","status":"COMPLETED","status_verified_date":"2016-11","start_date":"2011-04","start_date_type":null,"primary_completion_date":"2015-10","primary_completion_date_type":"ACTUAL","completion_date":"2015-10","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["BIIB"]}