{"nct_id":"NCT00546819","title":"ZOSTAVAX™ in Patients on Chronic/Maintenance Corticosteroids (V211-017) (COMPLETED)","status":"COMPLETED","status_verified_date":"2017-03","start_date":"2007-10","start_date_type":null,"primary_completion_date":"2010-08","primary_completion_date_type":"ACTUAL","completion_date":"2010-08","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["MRK"]}