{"nct_id":"NCT00427895","title":"Study Comparing a 13-valent Pneumococcal Conjugate Vaccine With 23-valent Pneumococcal Polysaccharide Vaccine in Adults","status":"COMPLETED","status_verified_date":"2021-11","start_date":"2007-02-27","start_date_type":"ACTUAL","primary_completion_date":"2011-08-01","primary_completion_date_type":"ACTUAL","completion_date":"2011-08-01","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["PFE"]}