{"nct_id":"NCT02117570","title":"A Study To Investigate A Clostridium Difficile Vaccine In Healthy Adults Aged 50 to 85 Years, Who Will Each Receive 3 Doses Of Vaccine.","status":"COMPLETED","status_verified_date":"2016-11","start_date":"2014-07","start_date_type":null,"primary_completion_date":"2015-12","primary_completion_date_type":"ACTUAL","completion_date":"2015-12","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["PFE"]}