{"nct_id":"NCT01358825","title":"Study to Evaluate Antibody Persistence in Children Previously Vaccinated With Infanrix Hexa™ or Infanrix-IPV/Hib™","status":"COMPLETED","status_verified_date":"2021-01","start_date":"2011-05-30","start_date_type":"ACTUAL","primary_completion_date":"2011-07-15","primary_completion_date_type":"ACTUAL","completion_date":"2011-07-15","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["GSK"]}