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Vaccination against...
Vaccination against hepatitis B virus among people who inject drugs – A 20 year experience from a Swedish needle exchange program
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- Alanko Blomé, M. (författare)
- Lund University,Lunds universitet,Klinisk infektionsmedicin,Forskargrupper vid Lunds universitet,Clinical infection medicine,Lund University Research Groups,Skåne University Hospital
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- Björkman, P. (författare)
- Lund University,Lunds universitet,Klinisk infektionsmedicin,Forskargrupper vid Lunds universitet,Clinical infection medicine,Lund University Research Groups,Skåne University Hospital
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- Flamholc, L. (författare)
- Lund University,Lunds universitet,Enheten för infektionssjukdomar,Forskargrupper vid Lunds universitet,Infectious Diseases Research Unit,Lund University Research Groups,Skåne University Hospital
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- Jacobsson, H. (författare)
- Skåne University Hospital
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- Widell, A. (författare)
- Lund University,Lunds universitet,Klinisk mikrobiologi, Malmö,Forskargrupper vid Lunds universitet,Clinical Microbiology, Malmö,Lund University Research Groups,Skåne University Hospital
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(creator_code:org_t)
- Elsevier BV, 2017
- 2017
- Engelska 7 s.
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Ingår i: Vaccine. - : Elsevier BV. - 0264-410X. ; 35:1, s. 84-90
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Background People who inject drugs (PWID) are at particular risk of hepatitis B virus (HBV) acquisition, but often have poor access or adherence to HBV vaccination. Vaccination against HBV has been offered at a major Swedish needle exchange program (NEP) since 1994. The aim of this study was to evaluate vaccine completion and response rates, and the effect of sequential booster doses to non-responders to the standard vaccination schedule. Methods PWID enrolled in the NEP 1994–2013, without serological markers for HBV at baseline (negative for HBsAg/anti-HBc/anti-HBs), were offered a three-dose standard intramuscular vaccination schedule (Engerix®-B, GSK, 20 μg/mL, intended to be received at months 0, 1 and 6). Vaccination response was defined as protective levels of anti-HBs (⩾10 mIU/mL). Up to three booster doses were then offered for non-responders, each followed by anti-HBs testing. Results HBV data was available for 2352 identifiable individuals at NEP enrolment, of whom 1516 (64.5%) had no markers for previous HBV exposure or vaccination. Vaccination was initiated for 1142 (75.3%) individuals and 898 (59.2%) completed the standard vaccination schedule. Post-vaccination anti-HBs levels were available from 800 individuals, with 598 (74.8%) responding to the basic vaccination schedule. After up to three booster doses a total of 676 (84.5%) individuals achieved protective anti-HBs levels. Non-response to vaccination was associated with higher age and anti-HCV positivity (p < 0.001). Eighteen incident cases of HBV infection were observed among vaccine non-responders, as well as 30 cases among those who had not completed vaccination. Conclusion We demonstrate the feasibility of including HBV vaccination in the services offered by a NEP, with completion of vaccination in a majority of HBV-susceptible PWID. The response to HBV vaccination among PWID was relatively low; however, the addition of up to three booster doses improved the response rate from 74.8 to 84.5%.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Infektionsmedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Infectious Medicine (hsv//eng)
Nyckelord
- Hepatitis B
- Needle exchange program
- NEP
- People who inject drugs
- PWID
- Vaccination
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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