Study to Investigate the Seropersistence of TBE Virus Antibodies Approx. 3 Years After a Booster Vaccination With FSME-IMMUN 0.25 mL JUNIOR in Children

May 20, 2015 updated by: Pfizer

Multicenter Phase IV Study to Investigate the Seropersistence of TBE Virus Antibodies Approx. 3 Years After a Booster Vaccination With FSME-IMMUN 0.25 mL JUNIOR in Children

The objective of this study is to assess the TBE antibody persistence approximately three years after administration of a TBE booster vaccination with FSME-IMMUN 0.25 ml Junior in children who received either 0.25 mL or 0.5 mL TicoVac for their primary vaccination series in Study 146A.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Observational

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Austria
      • Hermagor, Austria, 9620
        • Bahnhofstraße 9
      • Linz, Austria, 4040
        • Freistädter Strasse 290
      • Voitsberg, Austria, 8570
        • Conrad-von-Hoetzendorf-Strasse
      • Wels, Austria, 4600
        • Grieskirchner Strasse 17

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

7 years to 11 years (Child)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Male and female children who participated in Study 146A if:
  • they and/or their parents/legal guardians understand the nature of the study and agree to its provisions
  • written informed consent is available from the child (according to age and capacity of understanding) and the parents/legal guardians
  • they received the complete 3-immunization primary vaccination series with either 0.5 ml or 0.25 ml TicoVac in Study 146A
  • they received FSME-IMMUN 0.25 ml Junior for their first booster vaccination approximately 3 to 4 years after their third vaccination in Study IMAG-146A

Exclusion Criteria:

  • Subjects who received any further TBE vaccination since their first TBE booster vaccination
  • Subjects with a history of infection with, or vaccination against, other flaviviruses (e.g. dengue fever, yellow fever and/or japanese B encephalitis virus) since their third vaccination in Study 146A
  • Subjects who have suffered from a disease (e.g. autoimmune disease) or have undergone a form of treatment (e.g. systemic corticosteroids) that can be expected to influence immunological functions within 30 days before and after their first TBE booster vaccination
  • Subjects who have been known to be HIV positive (a special HIV test is not required for the purpose of the study) since their third vaccination in Study 146A
  • Subjects who have received a blood transfusion or immunoglobulins within 30 days of study entry

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Pfizer

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

June 1, 2005

Study Completion (Actual)

July 1, 2006

Study Registration Dates

First Submitted

September 8, 2005

First Submitted That Met QC Criteria

September 13, 2005

First Posted (Estimate)

September 14, 2005

Study Record Updates

Last Update Posted (Estimate)

May 21, 2015

Last Update Submitted That Met QC Criteria

May 20, 2015

Last Verified

May 1, 2015

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 700501

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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