{"nct_id":"NCT02594124","title":"A Study for Participants With Spinal Muscular Atrophy (SMA) Who Previously Participated in Nusinersen (ISIS 396443) Investigational Studies","status":"COMPLETED","status_verified_date":"2024-09","start_date":"2015-11-04","start_date_type":"ACTUAL","primary_completion_date":"2023-08-21","primary_completion_date_type":"ACTUAL","completion_date":"2023-08-21","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["BIIB"]}