{"nct_id":"NCT04730635","title":"Cognition Platform Study in Participants at Risk for Alzheimer's Disease (AD) (MK-0000-413)","status":"COMPLETED","status_verified_date":"2024-07","start_date":"2021-03-23","start_date_type":"ACTUAL","primary_completion_date":"2023-01-20","primary_completion_date_type":"ACTUAL","completion_date":"2023-02-06","completion_date_type":"ACTUAL","phases":["PHASE1"],"tickers":["MRK"]}