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Study of a Live Attenuated Japanese Encephalitis Chimeric Virus Vaccine (IMOJEV™) Compared to CD.JEVAX™ in Toddlers

Japanese Encephalitis Clinical Trial

Official title:
Immunogenicity and Safety of a Single Dose of a Live Attenuated Japanese Encephalitis Chimeric Virus Vaccine (IMOJEV™) in Comparison With a Single Dose of SA14-14-2 Vaccine (CD.JEVAX™, Chengdu Institute of Biological Products, China) Administered in Healthy Toddlers in South-Korea

Clinical Trial Summary

The purpose of this study is to compare Live Attenuated Japanese Encephalitis Chimeric Virus Vaccine (IMOJEV™) with Japanese encephalitis live attenuated vaccine (SA14 14 2 vaccine [CD.JEVAX™]) after a single dose vaccination to support product registration.

Primary Objective:

- To demonstrate the non-inferiority of the antibody response 28 days after administration of one dose of IMOJEV™ compared to the antibody response 28 days after administration of one dose of the CD.JEVAX™ control vaccine.

Secondary Objectives:

- To describe the immune response to Japanese encephalitis (JE) in both vaccine groups using 50% plaque reduction neutralization assay (PRNT50) assays before and after a single dose of IMOJEV™ vaccine or a single dose of CD.JEVAX™ vaccine.

- To describe the safety of vaccination in all subjects up to 28 days and all serious adverse events up to 6-month after vaccination.

Clinical Trial Description

All participants will receive a single dose of their assigned vaccination at Visit 1 (Day 0) and undergo immunogenicity assessment at Day 28 post-vaccination. Safety will be assessed from day of vaccination and up to 6 months post-vaccination. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01396512
Study type Interventional
Source Sanofi
Contact
Status Completed
Phase Phase 3
Start date July 2011
Completion date June 2013
View Details
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