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  • Title: Immunological response to hepatitis B vaccination in patients with AIDS and virological response to highly active antiretroviral therapy.
    Author: Paitoonpong L, Suankratay C.
    Journal: Scand J Infect Dis; 2008; 40(1):54-8. PubMed ID: 17852939.
    Abstract:
    Previous studies showed that an immunological response to hepatitis B virus (HBV) vaccination in patients with AIDS was lower than in the normal population. However, those with virological response to highly active antiretroviral therapy (HAART) may have a normal immunological response to HBV vaccination. In our study, patients with AIDS who had a virological response to HAART and no immunity to HBV received 3 doses of HBV vaccine (20 microg of Engerix-B(R)) on d 0, 30, and 180. Anti-HBs level was measured 1 month after complete vaccination. Of 28 patients, overall response rate to vaccination was 71.4%. The responder group had a significantly higher CD4 count at 1 month after complete vaccination than the non-responder group (466.95+/-146.94 and 335+/-112.62 cells/microl, p =0.035). The patients receiving efavirenz-containing HAART had better response than those without efavirenz-containing HAART (p =0.030). The responder group had received a longer duration of HAART. In conclusion , to our knowledge, ours is the first prospective study to determine the immunological response to HBV vaccination in all patients with AIDS who had maintained the virological response after receiving HAART throughout the study period. Patients with AIDS and virological response to HAART have a good immunological response to HBV vaccination.
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