{"nct_id":"NCT01027351","title":"Extension Study Evaluating Antibody Persistence and Safety, Tolerability and Immunogenicity of Booster Doses of Novartis rMenB±OMV NZ Vaccine in Healthy UK Children Who Previously Received One or Four Doses of the Same Vaccine","status":"COMPLETED","status_verified_date":"2018-09","start_date":"2010-01","start_date_type":null,"primary_completion_date":"2010-09","primary_completion_date_type":"ACTUAL","completion_date":"2012-05","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["NVS"]}