{"nct_id":"NCT01018732","title":"A Study to Evaluate the Persistence and Immune Response to a Booster Dose of MenACWY","status":"COMPLETED","status_verified_date":"2015-07","start_date":"2010-01","start_date_type":null,"primary_completion_date":"2010-07","primary_completion_date_type":"ACTUAL","completion_date":"2010-07","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["NVS"]}