{"nct_id":"NCT00169507","title":"Study of Immunological Memory Induced in Children by a Full 4 Dose Vaccination Schedule of 11 Valent Pneumococcal Conjugate Vaccine by Giving 1 Dose of Aventis Pasteur's 23-valent Pneumococcal Polysaccharide Vaccine (Pneumo 23)","status":"COMPLETED","status_verified_date":"2017-05","start_date":"2005-03","start_date_type":null,"primary_completion_date":"2005-04","primary_completion_date_type":"ACTUAL","completion_date":"2005-04","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["GSK"]}