Journal
AMERICAN JOURNAL OF TRANSPLANTATION
Volume 7, Issue 8, Pages 2006-2011Publisher
WILEY
DOI: 10.1111/j.1600-6143.2007.01869.x
Keywords
influenza; liver transplantation; pneumococcus; renal transplantation; vaccine
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Funding
- Wellcome Trust Funding Source: Medline
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Different immunosuppressant regimens vary in their effects on antibody responses to vaccination. The combination of prednisolone and azathioprine has only a minor effect, whereas the addition of ciclosporin attenuates protective antibody responses to influenza vaccination. The effect of sirolimus, a new immunosuppressant, on vaccine responses has been little studied. Thirty-two hepatic or renal transplant patients randomized to calcineurin inhibitor-based or sirolimus-based immunosuppression were vaccinated against influenza and pneumococcus. Following tri-valent influenza vaccination, a similar rise in antibody titer occurred in sirolimus and calcineurin inhibitor (CNI) treated patients, though sirolimus treated patients developed a 'protective' titer to more influenza antigens. The pneumococcal polysaccharide vaccine was equally effective in both groups. Hence, vaccination guidelines in place for CNI treated patients are likely to be appropriate for transplant recipients maintained on sirolimus.
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