Publication: Factors for predicting successful immune response to hepatitis B vaccination in HIV-1 infected patients
Issued Date
2007-07-01
Resource Type
ISSN
01251562
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2-s2.0-34548278505
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Mahidol University
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SCOPUS
Bibliographic Citation
Southeast Asian Journal of Tropical Medicine and Public Health. Vol.38, No.4 (2007), 680-685
Suggested Citation
Prayut Ungulkraiwit, Yongyuth Jongjirawisan, Kalayanee Atamasirikul, Somnuek Sungkanuparph Factors for predicting successful immune response to hepatitis B vaccination in HIV-1 infected patients. Southeast Asian Journal of Tropical Medicine and Public Health. Vol.38, No.4 (2007), 680-685. Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/24829
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Title
Factors for predicting successful immune response to hepatitis B vaccination in HIV-1 infected patients
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Abstract
This study aimed to determine the predicting factors for successful hepatitis B vaccination among HIV-1 infected patients. A prospective study was conducted among HIV-1 infected patients who had negative HBV serologies. Anti-HBs antibody was evaluated one month after completing a 3-injection course of hepatitis B vaccine. Patients who had an anti-HBs antibody level >10 mlU/ml were defined as responders. There were 65 patients with a mean age of 39±8,5 years, 68% were females. Fifty-seven (88%) patients had received antiretroviral therapy for a mean (SD) duration of 26.1 (22.3) months and 75% of these had an HIV-1 RNA count <50 copies/ml. The mean (SD) CD4 cell count and percentage at the time of vaccination were 345 (194) cells/mm3 and 16 (7) %, respectively. Thirty patients (46%) were responders. Compared to non-responders, responders had a higher mean CD4 cell count (p = 0.047) and a trend toward a younger age (p = 0.052). On multivariate analysis, younger age (p = 0.049) and higher CD4 cell count (p = 0.048) were predictors for successful response to hepatitis B vaccination. Determination of antibody levels after vaccination in HIV-infected patients is warranted.