{"nct_id":"NCT00822237","title":"Study to Test the Safety and Immunogenicity of VARIVAX (2007 Process) (Study V210-057) (Completed)","status":"COMPLETED","status_verified_date":"2017-03","start_date":"2009-01","start_date_type":null,"primary_completion_date":"2009-10","primary_completion_date_type":"ACTUAL","completion_date":"2009-12","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["MRK"]}