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Comparison of Three Batches of the Japanese Encephalitis Vaccine IC51

Phase 3
Completed
Conditions
Japanese Encephalitis
Registration Number
NCT00594958
Lead Sponsor
Valneva Austria GmbH
Brief Summary

The objective is to demonstrate equivalence of three IC51 batches in terms of Geometric Mean Titers for anti-JEV neutralizing antibody.

Detailed Description

This is a randomized, controlled, multi-center, double blind phase 3 study. The study population consists of male and female healthy subjects, aged at least 18 years.

624 subjects will be enrolled at approximately 6 sites in study centers in Austria and Germany.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
639
Inclusion Criteria
  • Male and female subjects aged at least 18 years with written informed consent and either no childbearing potential or negative pregnancy test

Main

Exclusion Criteria
  • History of immunodeficiency or immunosuppressive therapy, known HIV, drug addiction including alcohol dependence

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
GMT for Anti-JEV Neutralizing Antibodyday 56

Equivalence between batches with regards to GMT (Geometric Mean Titer) was postulated if all three pair-wise 95 % Confidence Intervals for GMT ratios were between 0.5 and 2.

Secondary Outcome Measures
NameTimeMethod
SCR for Anti-JEC Neutralizing Antibody Titerday 56
Safetystudy duration

Safety laboratory parameters, rate of SAEs and medically attended AEs, systemic and local tolerability

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