{"nct_id":"NCT01266993","title":"Persistence and Booster Study of GSK Biologicals' Meningococcal Vaccine (GSK134612) in Healthy Children","status":"COMPLETED","status_verified_date":"2020-11","start_date":"2011-01-03","start_date_type":"ACTUAL","primary_completion_date":"2014-03-31","primary_completion_date_type":"ACTUAL","completion_date":"2014-05-17","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["GSK"]}