{"nct_id":"NCT04103333","title":"Angelman Syndrome (AS) Biomarker Study","status":"COMPLETED","status_verified_date":"2022-01","start_date":"2019-12-18","start_date_type":"ACTUAL","primary_completion_date":"2022-01-02","primary_completion_date_type":"ACTUAL","completion_date":"2022-01-02","completion_date_type":"ACTUAL","phases":["EARLY_PHASE1"],"tickers":["BIIB"]}