{"nct_id":"NCT00500266","title":"Study Evaluating Safety of 13-Valent Pneumococcal Conjugate Vaccine in Healthy Elderly Subjects","status":"COMPLETED","status_verified_date":"2011-08","start_date":"2008-05","start_date_type":null,"primary_completion_date":"2009-04","primary_completion_date_type":"ACTUAL","completion_date":"2009-05","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["PFE"]}