U.S., June 25 -- ClinicalTrials.gov registry received information related to the study (NCT07032610) titled 'Long-term Immunogenicity of L-HAV Vaccine Among Healthy Thai Children and Adolescents' on June 16.
Brief Summary: Hepatitis A virus (HAV) remains a common infection among Thai children. Two types of HAV vaccines are available in Thailand: an inactivated vaccine (I-HAV, administered in two doses 6 months apart) and a live-attenuated vaccine (L-HAV, administered as a single dose). However, neither vaccine is currently included in Thailand's Expanded Programme on Immunization (EPI). In 2024, a randomized, active-controlled, open-label, non-inferiority trial was conducted to compare the immunogenicity and safety of the two-dose I-HAV wi...