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Recruiting Phase 3 NCT07178522

NCT07178522 A Study to Evaluate the Immunogenicity and Safety of an EV71 Vaccine (Envacgen®) in Children Aged 6 to <10 Years Compared to Children Aged 2 to <6 Years

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Clinical Trial Summary
NCT ID NCT07178522
Status Recruiting
Phase Phase 3
Sponsor Medigen Vaccine Biologics Corp.
Condition Enterovirus 71 Inactivated Vaccine
Study Type INTERVENTIONAL
Enrollment 378 participants
Start Date 2025-06-25
Primary Completion 2026-02-01

Trial Parameters

Condition Enterovirus 71 Inactivated Vaccine
Sponsor Medigen Vaccine Biologics Corp.
Study Type INTERVENTIONAL
Phase Phase 3
Enrollment 378
Sex ALL
Min Age 2 Years
Max Age 9 Years
Start Date 2025-06-25
Completion 2026-02-01
Interventions
Envacgen®

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Brief Summary

The purpose of this study is to assess the immunogenicity and safety of EV71 vaccine (Envacgen®) in Children Aged 6 to \<10 Years compared to Children Aged 2 to \<6 Years.

Eligibility Criteria

Inclusion Criteria: 1. Healthy children aged 2 to \<10 years as established by medical history and clinical examination. 2. Subject and/or the subject's parent/guardian is able to understand and sign the ICF. Exclusion Criteria: 1. Has poor venous access. 2. Currently has a fever defined as ear/rectal temperature ≥ 38°C or axillary temperature ≥ 37.5 °C within 2 days before the time of planned vaccination. 3. Has had previously known exposure to EV71 or has received EV71 vaccine. 4. Has a history of herpangina or HFMD associated with enterovirus infection in the past 28 days before the date of planned study drug vaccination. 5. Has been diagnosed with a significant neurological, pulmonary, cardiovascular, hematological, hepatic, or renal disorder. 6. Has a history of hypersensitivity to vaccines, or a history of allergic disease or reactions likely to be exacerbated by any component or any residual trace components such as formaldehyde of the Envacgen® vaccine. 7. Has used any investig

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