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Study on the Persistence of Immunity Following EV71 Vaccination

NCT07144202 · Status: ENROLLING_BY_INVITATION · Type: OBSERVATIONAL · Enrollment: 270

Last updated 2025-08-27

No results posted yet for this study

Summary

This is a thirteen-year follow-up study conducted as an extension of a Phase III clinical trial. In this study, a sub-cohort of volunteers who was eligible for enrollment and randomly administrated either 2 dose EV71 vaccine or placebo in the phase III clinical trial was selected to evaluate the EV71 immune levels 13 years after the primary vaccination.

Conditions

  • Hand, Foot, and Mouth Disease
  • Hand, Foot, and Mouth Disease (HFMD)

Sponsors & Collaborators

  • Institute of Medical Biology, Chinese Academy of Medical Sciences

    lead OTHER

Principal Investigators

  • Teng Huang · Guangxi Zhuang Autonomous Region Center for Disease Prevention and Control

Eligibility

Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2025-08-10
Primary Completion
2025-08-25
Completion
2026-03-10

Countries

  • China

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07144202 on ClinicalTrials.gov