{"nct_id":"NCT00856297","title":"Evaluation of Persistence of Anti-meningococcal Bactericidal Antibodies Among Adolescents Who Previously Received MenACWY Conjugate Vaccine","status":"COMPLETED","status_verified_date":"2017-05","start_date":"2009-02","start_date_type":null,"primary_completion_date":"2012-11","primary_completion_date_type":"ACTUAL","completion_date":"2012-11","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["NVS"]}