{"nct_id":"NCT00432731","title":"Safety Study of a Refrigerator-stable Formulation of VARIVAX®","status":"COMPLETED","status_verified_date":"2017-03","start_date":"2004-12","start_date_type":null,"primary_completion_date":"2005-09","primary_completion_date_type":"ACTUAL","completion_date":"2005-09","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["MRK"]}