{"nct_id":"NCT01717638","title":"Persistence of Antibody Levels and Response to Fifth or Third Meningococcal B Recombinant Vaccine in 4-year Old Healthy Children Who Previously Participated in Study V72P12E1","status":"COMPLETED","status_verified_date":"2014-12","start_date":"2012-11","start_date_type":null,"primary_completion_date":"2013-09","primary_completion_date_type":"ACTUAL","completion_date":"2013-10","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["NVS"]}