Clinical Trial: A Study to Evaluate the 17-Year Immune Persistence of a Single Dose of Inactivated Hepatitis A Vaccine

U.S., Oct. 3 -- ClinicalTrials.gov registry received information related to the study (NCT07855705) titled 'A Study to Evaluate the 17-Year Immune Persistence of a Single Dose of Inactivated Hepatitis A Vaccine' on Sept. 28.

Brief Summary: The purpose of this follow-up study is to evaluate the seventeen-year immune persistence of a single dose of inactivated or attenuated alive hepatitis A vaccine in healthy participants.

Study Start Date: Jan. 13

Study Type: OBSERVATIONAL

Condition: Hepatitis A

Intervention: BIOLOGICAL: Inactivated HAV vaccine

Inactivated hepatitis A vaccine developed by Sinovac Biotech Co., Ltd, per dose containing 250 u antigen, one dose administered in the prior trial.

BIOLOGICAL: Attenuated live HAV vaccine

A...