{"nct_id":"NCT01823536","title":"Persistence of Immunogenicity of MenACWY Conjugate Vaccine 5 Years After Childhood Vaccination, and Immune Response to a Booster Dose","status":"COMPLETED","status_verified_date":"2014-07","start_date":"2013-05","start_date_type":null,"primary_completion_date":"2013-10","primary_completion_date_type":"ACTUAL","completion_date":"2014-06","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["NVS"]}