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Clinical Trials/NCT00311493
NCT00311493
Completed
Phase 4

A Phase IV, Randomized, Open-Label, Multi-Center Study in Adults: Evaluation of Long-Term Immunogenicity in Subjects Boosted With a New TBE Vaccine for Adults (Free of Protein-Derived Stabilizer) in Study V48P2E1, 5 Years After First Booster Immunization and Evaluation of Booster Kinetics in Subjects Boosted With a New TBE Vaccine for Adults (Free of Protein-Derived Stabilizer), 5 Years After First Booster Immunization

Novartis0 sites179 target enrollmentFebruary 2006

Overview

Phase
Phase 4
Intervention
Not specified
Conditions
Encephalitis, Tick-Borne
Sponsor
Novartis
Enrollment
179
Primary Endpoint
Long-term antibody kinetics as measured both by ELISA and neutralisation test (NT) five years after first booster immunization.
Status
Completed
Last Updated
19 years ago

Overview

Brief Summary

The purpose of this study it is to evalutate the persistence of antibodies after a booster immunisation with a TBE vaccine for adults

Registry
clinicaltrials.gov
Start Date
February 2006
End Date
TBD
Last Updated
19 years ago
Study Type
Interventional
Study Design
Factorial
Sex
All

Investigators

Sponsor
Novartis

Eligibility Criteria

Inclusion Criteria

  • Healthy volunteers of both sexes aged \>18 who participated in another study on TBE vaccination

Exclusion Criteria

  • Subjects with any condition, in the opinion of the Investigator, might interfere with the evaluation of the study objectives.

Outcomes

Primary Outcomes

Long-term antibody kinetics as measured both by ELISA and neutralisation test (NT) five years after first booster immunization.

Secondary Outcomes

  • Booster response in a subset of subjects as measured by NT, ELISA and cellular immunity on Days 3, 5, 7 and 21 after 2nd booster immunization.

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