{"nct_id":"NCT01000324","title":"Antibody Persistence & Immune Memory in Healthy Adults Previously Vaccinated With Twinrix Adult","status":"COMPLETED","status_verified_date":"2018-01","start_date":"2009-11-06","start_date_type":null,"primary_completion_date":"2014-07-25","primary_completion_date_type":"ACTUAL","completion_date":"2014-07-25","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["GSK"]}