{"nct_id":"NCT01026974","title":"Extension Study Evaluating Antibody Persistence and Safety, Tolerability and Immunogenicity of a Booster Dose of Novartis rMenB±OMV NZ Vaccine in Healthy UK Children Who Previously Received Three Doses of the Same Vaccine","status":"COMPLETED","status_verified_date":"2014-09","start_date":"2010-02","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"]}