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  • Title: Humoral response to hepatitis B vaccination and its relationship with T CD45RA+ (naïve) and CD45RO+ (memory) subsets in HIV-1-infected subjects.
    Author: Veiga AP, Casseb J, Duarte AJ.
    Journal: Vaccine; 2006 Nov 30; 24(49-50):7124-8. PubMed ID: 16884833.
    Abstract:
    HIV disease leads to defects in cell-mediated immunity, impairing the immune response to new and recall antigens. We studied 55 HIV 1-infected patients who received of recombinant DNA hepatitis B vaccine and 20 controls. The overall hepatitis B virus (HBV) seroconversion rate was 59%. The median CD4+ T cell count among responders was 452 cell/mm(3), higher than non-responders (359 cells/mm(3)). The HIV plasmaviral loads were higher in non-responders. We concluded that total T CD4 cell count, memory T CD4+ cells and lower plasma viral load among HIV-1-infected subjects treated with HAART could be used to predict the immune response to vaccination with hepatitis B vaccine. Thus, considering cost benefits, HVB vaccination should be preferentially provided to HIV-infected patients with T CD4 cells count over 450 cells/mm(3), preferentially whose under HIV replication controlled.
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