{"nct_id":"NCT00454987","title":"Study of Long-term Antibody Persistence After a Booster Dose of Menitorix Vaccine","status":"COMPLETED","status_verified_date":"2020-06","start_date":"2007-05-16","start_date_type":"ACTUAL","primary_completion_date":"2007-10-12","primary_completion_date_type":"ACTUAL","completion_date":"2007-10-12","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["GSK"]}