{"nct_id":"NCT01298544","title":"A Study to Assess the Antibody Response of Healthy Chinese Children Who Have Been Vaccinated Previously With 4-doses of Prevenar (a Pneumococcal Vaccine) as Babies and Toddlers","status":"COMPLETED","status_verified_date":"2018-11","start_date":"2010-11","start_date_type":null,"primary_completion_date":"2011-03","primary_completion_date_type":"ACTUAL","completion_date":"2011-03","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["PFE"]}