期刊
JOURNAL OF INFECTIOUS DISEASES
卷 203, 期 12, 页码 1815-1823出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/infdis/jir180
关键词
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资金
- Department of Defense through the Uniformed Services University of the Health Sciences [IDCRP-000-11]
- National Institute of Allergy and Infectious Diseases, National Institutes of Health [Y1-AI-5072]
Methods. We retrospectively studied HIV-infected adults who had received 2 doses of HAV vaccine. We analyzed blood specimens taken at 1 year, 3 years, and, when available, 6-10 years postvaccination. HAV immunoglobulin G (IgG) values of >= 10 mIU/mL were considered seropositive. Results. We evaluated specimens from 130 HIV-infected adults with a median age of 35 years and a median CD4 cell count of 461 cells/mm(3) at or before time of vaccination. Of these, 49% had an HIV RNA load < 1000 copies/mL. Initial vaccine responses were achieved in 89% of HIV-infected adults (95% confidence interval [CI], 83%-94%), compared with 100% (95% CI, 99%-100%) of historical HIV-uninfected adults. Among initial HIV-infected responders with available specimens, 90% (104 of 116; 95% CI, 83%-95%) remained seropositive at 3 years and 85% (63 of 74; 95% CI, 75%-92%) at 6-10 years. Geometric mean concentrations (GMCs) among HIV-infected adults were 154, 111, and 64 mIU/mL at 1, 3, and 6-10 years, respectively, compared with 1734, 687, and 684 mIU/mL among HIV-uninfected persons. Higher GMCs over time among HIV-infected adults were associated with lower log(10) HIV RNA levels (beta = -.12, P = .04). Conclusions. Most adults with well-controlled HIV infections had durable seropositive responses up to 6-10 years after HAV vaccination. Suppressed HIV RNA levels are associated with durable HAV responses.
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