New vaccine study aims to shield older kids from Hand-Foot-Mouth disease

NCT ID NCT07178522

First seen Nov 01, 2025 · Last updated May 04, 2026 · Updated 27 times

Summary

This study tests an inactivated EV71 vaccine (Envacgen®) in healthy children aged 6 to 10 years, comparing their immune response and safety to younger children aged 2 to 6 years. The goal is to see if the vaccine works as well in older kids to protect against enterovirus 71, which can cause hand-foot-mouth disease. About 378 children will participate, and researchers will measure antibody levels and any side effects after vaccination.

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Contacts and locations

Locations

  • Chang Gung Medical Hospital Linkou

    Taoyuan, Taiwan

  • National Taiwan University Hospital

    Taipei, Taiwan

  • National Taiwan University Hospital Hsin-Chu Branch

    Hsinchu, Taiwan

Conditions

Explore the condition pages connected to this study.