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Clinical Trial Summary

This study is designed to assess the immunogenicity and safety of typhoid Vi polysaccharide vaccine in Japanese participants to support registration of the product in Japan.

Primary Objective:

To describe the seroconversion rate (percentage of subjects with at least a 4-fold increase of their Vi antibody titer) between Day 0 before vaccination and Day 28 after vaccination with typhoid Vi polysaccharide (SP093) vaccine in subjects aged 2 years and above.

Secondary Objectives:

- To describe the safety profile of a single dose of typhoid Vi polysaccharide vaccine up to 28 days after vaccination, in subjects aged 2 years and above.

- To describe the immune response following a single dose of typhoid Vi polysaccharide vaccine in subjects aged 2 years and above.


Clinical Trial Description

All participants will receive a single dose of typhoid Vi polysaccharide vaccine on Day 0 and be assessed for immunogenicity on Day 0 before vaccination and on Day 28 post-vaccination. All participants will be monitored for safety for up to 28 days post-vaccination. ;


Study Design

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Prevention


Related Conditions & MeSH terms


NCT number NCT01608815
Study type Interventional
Source Sanofi
Contact
Status Completed
Phase Phase 3
Start date May 2012
Completion date December 2012

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