{"nct_id":"NCT00560950","title":"Revaccination With PNEUMOVAX(TM) 23 in Older Adults (V110-007)","status":"COMPLETED","status_verified_date":"2017-03","start_date":"2007-07","start_date_type":null,"primary_completion_date":"2008-05","primary_completion_date_type":"ACTUAL","completion_date":"2008-05","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["MRK"]}