Protective Efficacy , Immunogenicity and Safety of the Tetravalent Inactivated Enterovirus Vaccine (Vero Cell).

NCT07611513 · Status: NOT_YET_RECRUITING · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 6000

Last updated 2026-05-28

No results posted yet for this study

Summary

This multicenter, randomized, double-blind, placebo-controlled phase IIIa clinical trial aims to evaluate the protective efficacy , immunogenicity and safety of the Tetravalent Inactivated Enterovirus Vaccine (Vero Cell) in Children aged 6 to 71 months.

Participants will be randomly assigned in a 1:1 ratio to the trial group and the placebo group, receiving two doses of experimental vaccine or placebo , with a one-month interval between the two doses.

Conditions

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

Interventions

BIOLOGICAL

Tetravalent Inactivated Enterovirus Vaccine (Vero Cell)

Two doses are administered with a one-month interval between each dose.

BIOLOGICAL

Placebo

Two doses are administered with a one-month interval between each dose.

Sponsors & Collaborators

  • Sinovac Biotech Co., Ltd

    lead INDUSTRY

Principal Investigators

  • Yanxia Wang · Henan Provincial Center for Disease Control and Prevention

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
6 Months
Max Age
71 Months
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2026-05-31
Primary Completion
2027-12-31
Completion
2028-09-30

Countries

  • China

Study Locations

More Related Trials

Entities

Drugs

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 NCT07611513 on ClinicalTrials.gov