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Hepatitis B virus vaccination and revaccination response in children diagnosed with coeliac disease : a multicentre
T Rousseff1, T Claeys1, E Vande Vijver1
1Paediatric Gastroenterology and Nutrition, Ghent University Hospital, Gent, Belgium.
Insights
Children with celiac disease (CD) show a lower hepatitis B virus (HBV) vaccination response. A single booster vaccine can restore immunity in two-thirds of non-responders, highlighting the need for follow-up checks.
Area of Science:
- Pediatric Immunology
- Vaccinology
- Gastroenterology
Background:
- Celiac disease (CD) is an autoimmune disorder affecting the small intestine.
- Impaired immune responses in CD patients can impact vaccine efficacy.
- Hepatitis B virus (HBV) vaccination is crucial for preventing infection.
Purpose of the Study:
- To evaluate the hepatitis B virus (HBV) vaccination response in children diagnosed with celiac disease (CD).
- To assess the effectiveness of a single booster vaccination in initial non-responders.
- To identify factors influencing HBV vaccination response in this pediatric cohort.
Main Methods:
- Assessed anti-hepatitis B surface antibodies (a-HBsAB) in children with CD and complete HBV vaccination.
- Defined non-response as a-HBsAB levels <10 U/L.
- Administered a single intramuscular HBV vaccine booster to non-responders and re-evaluated response.
Main Results:
- 55% of 133 children with CD were initial non-responders to HBV vaccination.
- No specific factors were found to influence initial vaccination response.
- A single booster vaccination achieved immunity in 65% (22/34) of initial non-responders.
- The overall non-response rate decreased from 55% to 23% after booster vaccination.
Conclusions:
- Children with celiac disease exhibit a significantly reduced immune response to HBV vaccination.
- A single booster dose is effective in inducing serologic response in approximately two-thirds of initial non-responders.
- Monitoring HBV vaccination response should be an integral part of celiac disease patient follow-up.
Aim:
This study evaluates hepatitis B virus (HBV) vaccination response in children with celiac disease (CD). Response in initial non-responders after a single booster vaccination as well as factors influencing HBV vaccination response were evaluated.
Methodology:
Anti-hepatitis B surface antibodies (a-HBsAB) were checked in all children with CD and a documented complete HBV vaccination. An a-HBsAB <10 U/L was considered as non-response. A single intramuscular HBV-vaccine booster was advised to all non-responders. Response was checked at the next appointment.
Results:
133 children with CD were included, median age of 7.3 years (range 1.7-17.3) and 46 (35%) were male. The age at CD diagnosis was 6.0 years (range 1.1-15.7). HBV non-response was documented in 55% (n=73/133). No other factors were influencing the response. A booster was documented in 34/73 (47 %) initial non-responders (3 refused (4%), 36 (49%) had no follow up). Response after booster vaccination resulted in immunity in 22/34 (65%) and persisting non-response in 12/34 (35%). A single booster is able to reduce non-response from 55% (73/133) to 23% (22/94).
Conclusion:
A significantly lower immune response following HBV vaccination in children with CD was confirmed. A single intramuscular booster vaccination is able to induce a serologic response in two thirds of the initial non-responders. Control of HBV vaccination response has to become part of the follow-up in CD patients.
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