{"nct_id":"NCT00681031","title":"Zostavax® at Minimum Release Specification Approaching Expiry (V211-044)","status":"COMPLETED","status_verified_date":"2021-06","start_date":"2008-05-14","start_date_type":"ACTUAL","primary_completion_date":"2008-06-25","primary_completion_date_type":"ACTUAL","completion_date":"2008-06-25","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["MRK"]}