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  • Title: Antibody responses to immunization of patients with hemophilia with and without evidence of human immunodeficiency virus (human T-lymphotropic virus type III) infection.
    Author: Ragni MV, Ruben FL, Winkelstein A, Spero JA, Bontempo FA, Lewis JH.
    Journal: J Lab Clin Med; 1987 May; 109(5):545-9. PubMed ID: 3572201.
    Abstract:
    Antibody responses after immunization with 23-valent pneumococcal polysaccharide and trivalent influenza virus vaccines were evaluated in 30 adults with hemophilia and in 17 healthy controls. The 30 patients with hemophilia included 13 who were human immunodeficiency virus (HIV) antibody positive with acquired immune deficiency syndrome (AIDS) or AIDS-related complex (group 1), 11 who were asymptomatic HIV antibody positive (group 2), and six who were asymptomatic HIV antibody negative (group 3). Sera were obtained before and 4 weeks after immunization, and levels of antibody were measured by enzyme-linked immunoassay or by hemagglutination inhibition assay. All three groups of patients with hemophilia showed significantly higher preimmunization geometric mean titers of antibodies (groups 1 and 2, fivefold, group 3, 2.8-fold higher), with little increase after pneumococcal vaccine, when compared with controls. Defective humoral responses were noted in groups 1 and 2, with depressed antibody responses after influenza vaccine, significantly elevated levels of IgG and IgM, and depressed blastogenic responsiveness to pokeweed mitogen. Group 3 demonstrated normal responses to pokeweed mitogen, normal antibody responses to influenza vaccine, and normal level of IgG and IgM, although levels of IgG and IgM were higher than those of controls. These data suggest that humoral immune abnormalities are found frequently in patients with hemophilia who are HIV antibody positive. Further, prolonged administration of blood products, regardless of the recipient's HIV status, appears to be associated with polyclonal activation of B cells for T-independent but not T-dependent antigens.
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