{"nct_id":"NCT04089566","title":"Study of Nusinersen (BIIB058) in Participants With Spinal Muscular Atrophy","status":"COMPLETED","status_verified_date":"2025-05","start_date":"2020-03-26","start_date_type":"ACTUAL","primary_completion_date":"2024-02-21","primary_completion_date_type":"ACTUAL","completion_date":"2024-05-30","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["BIIB"]}