{"nct_id":"NCT02052726","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":"2018-11","start_date":"2014-01-22","start_date_type":"ACTUAL","primary_completion_date":"2015-05-02","primary_completion_date_type":"ACTUAL","completion_date":"2015-05-05","completion_date_type":"ACTUAL","phases":["PHASE1"],"tickers":["PFE"]}