{"nct_id":"NCT00535730","title":"ZOSTAVAX™ Administered Concomitantly With PNEUMOVAX™ 23 (V211-012)(COMPLETED)","status":"COMPLETED","status_verified_date":"2017-03","start_date":"2007-06","start_date_type":null,"primary_completion_date":"2008-02","primary_completion_date_type":"ACTUAL","completion_date":"2008-02","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["MRK"]}