Response to Booster Doses of Hepatitis B Vaccine in Children and Adolescents
An Evaluation of Long-Term Protection Against Hepatitis B Virus Infection: Response of Alaska Native Children and Adolescents Who Received the Primary Recombinant Hepatitis B Vaccine Series Beginning at Birth to an Additional Dose of Vaccine
2 other identifiers
observational
400
1 country
1
Brief Summary
The purpose of this study is to determine the immune response to an additional (booster) dose of hepatitis B vaccine 5-14 years after a three dose series was given
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started May 2001
Longer than P75 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
May 1, 2001
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 1, 2005
CompletedFirst Submitted
Initial submission to the registry
September 1, 2005
CompletedFirst Posted
Study publicly available on registry
September 2, 2005
CompletedStudy Completion
Last participant's last visit for all outcomes
March 1, 2008
CompletedSeptember 27, 2012
September 1, 2012
3.8 years
September 1, 2005
September 26, 2012
Conditions
Keywords
Interventions
Eligibility Criteria
You may qualify if:
- Received 3 doses of hepatitis B vaccine during infancy, beginning at birth
You may not qualify if:
- Mother HBsAg-positive immunosuppressed
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Alaska Native Medical Center
Anchorage, Alaska, 99508, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Anthony Fiore, MD
Centers for Disease Control and Prevention
Study Design
- Study Type
- observational
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- FED
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 1, 2005
First Posted
September 2, 2005
Study Start
May 1, 2001
Primary Completion
March 1, 2005
Study Completion
March 1, 2008
Last Updated
September 27, 2012
Record last verified: 2012-09