Two Double‐Blinded, Randomized, Comparative Trials of 4 Human Immunodeficiency Virus Type 1 (HIV‐1) Envelope Vaccines in HIV‐1–Infected Individuals across a Spectrum of Disease Severity: AIDS Clinical Trials Groups 209 and 214
Open Access
- 1 November 2000
- journal article
- clinical trial
- Published by Oxford University Press (OUP) in The Journal of Infectious Diseases
- Vol. 182 (5) , 1357-1364
- https://doi.org/10.1086/315860
Abstract
The potential role of human immunodeficiency virus type 1 (HIV-1)—specific immune responses in controlling viral replication in vivo has stimulatedinterest in enhancing virus-specificimmunity by vaccinating infected individuals with HIV-1 or its components. These studies were undertaken to define patient populations most likely to respond to vaccination, with the induction of novel HIV-1—specific cellular immune responses, and to compare the safety and immunogenicity of several candidate recombinant HIV-1 envelope vaccines and adjuvants. New lymphoproliferative responses (LPRs) developed in 350 cells/mm3 and were usually strain restricted. Responders tended to be more likely than nonresponders to have an undetectable level of HIV-1 RNA at baseline (P = .067). Induction of new cellular immune responses by HIV-1 envelope vaccines is a function of the immunologic stage of disease and baseline plasma HIV-1 RNA level and exhibits considerable vaccine strain specificity.Keywords
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