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Persistence of Hepatitis B Antibody Levels & Immune Response to a Hepatitis B Vaccine Challenge

Phase 4
Completed
Conditions
Hepatitis B
Interventions
Biological: Engerix™-B Kinder
Registration Number
NCT00411697
Lead Sponsor
GlaxoSmithKline
Brief Summary

The purpose of this study is to determine at 5 years of age the persistence of immunity to hepatitis B that was conferred by infant vaccination with Infanrix hexa™.

The Protocol Posting has been updated in order to comply with the FDA Amendment Act, Sep 2007.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
301
Inclusion Criteria
  • Subjects who the investigator believes that their parents/guardians can and will comply with the requirements of the protocol
  • A male or female of 4 to 5 years of age at the time of enrolment.
  • With documented evidence of previous vaccination with four consecutive doses of Infanrix hexa™ in Germany.
  • Written informed consent obtained from the parents or guardians of the subject at the time of enrolment.
  • Healthy subjects as established by medical history and clinical examination before entering into the study.
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Exclusion Criteria
  • Concurrently participating in another clinical study, at any time during the study period, in which the subject has been or will be exposed to an investigational or a non-investigational product .
  • Evidence of previous hepatitis B booster vaccination since administration of the fourth dose of Infanrix hexa™ booster in the second year of life.
  • History of or intercurrent hepatitis B disease.
  • Hepatitis B vaccination at birth.
  • Planned administration/administration of a vaccine not foreseen by the study protocol during the period starting from 30 days before booster vaccination and ending 30 days after.
  • Administration of immunoglobulins and/or any blood products within the three months preceding booster vaccination or planned administration during the study period.
  • Chronic administration (defined as more than 14 days) of immunosuppressants or other immune-modifying drugs within six months prior to the HBV vaccine challenge.
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Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Group AEngerix™-B Kinder-
Primary Outcome Measures
NameTimeMethod
Anti-hepatitis B surface antigen (HBs) antibody concentrationsOne month after the challenge dose of HBV vaccine
Secondary Outcome Measures
NameTimeMethod
Anti-HBs antibody concentrationsBefore and after challenge dose of HBV vaccine
Occurrence of serious adverse eventsDuring the entire study period.

Trial Locations

Locations (1)

GSK Investigational Site

🇩🇪

Berlin, Germany

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