Journal
VACCINE
Volume 20, Issue 17-18, Pages 2343-2347Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0264-410X(02)00102-0
Keywords
therapeutic vaccination; long-term effects; HIV-1 p17/p24 : Ty virus-like particles
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Long-term effects of therapeutic vaccination of human immunodeficiency virus (HIV)-1-infected subjects with HIV-1 p17/p24:Ty virus-like particles (p24-VLP) on progression to AIDS, death, a CD4 cell count less than or equal to200 cells/mm(3) and CD4 cell count decline were studied in a multicenter cohort study of 56 individuals who participated in a phase 11 double-blind placebo-controlled trial with p24-VLP in 1993. Using Cox proportional hazard analysis, no difference between vaccine and placebo groups was found in progression to death (adjusted hazard rate (HR): 0.68 (95% Cl: 0.05-7.83), AIDS (adjusted HR: 1.07 (95% CI: 0.21-5.36)) and a CD4 cell count less than or equal to200 cells/mm(3) (adjusted HR: 1.00 (95% Cl: 0.35-2.87)). Using linear regression with correction for multiple visits within one person, no effect of vaccination on CD4 cell count decline, adjusted for antiretroviral therapy (ART) use, was found (P = 0.98). In conclusion, therapeutic vaccination with p24-VLP is not related to slower HIV-1 disease progression. (C) 2002 Elsevier Science Ltd. All rights reserved.
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