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Journal of Acquired Immune Deficiency Syndromes & Human Retrovirology:
CLINICAL SCIENCE: PDF Only

Soluble Tumor Necrosis Factor Receptors as Surrogate Markers for the Assessment of Zidovudine Treatment in Asymptomatic HIV-1 Infection.

Godfried, Mieke H.; van der Poll, Tom; Mulder, Jan W.; Weverling, Gerrit J.; Endert, Erik; Lange, Joep M. A.; Sauerwein, Hans P.

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Abstract

Summary: In untreated, asymptomatic human immunodeficiency virus type 1 (HIV-1) infection, elevated serum concentrations of soluble receptors for tumor necrosis factor (sTNFR) types I and II are associated with progression to AIDS. To assess the utility of sTNFRs as markers for the assessment of antiretroviral treatment, sTNFRs were sequentially determined in 47 asymptomatic HIV-1-infected men, who participated in a double-blind, randomized, placebo-controlled study. Progression to AIDS or severe AIDS-related complex occurred in six zidovudine (ZDV)- and six placebo-treated subjects. During ZDV treatment (n = 28) both types of sTNFRs declined compared with baseline and placebo, whereas they increased during placebo treatment (n = 19). A sustained decline of sTNFRs occurred only in subjects who experienced no disease progression. During the first 3 months of ZDV treatment, the hazard ratio for disease progression when sTNFR type II rose above the baseline value plus 5% was significantly increased (hazard ratio: ~25; 95% confidence interval: ~1.5-400; p < 0.03). Simultaneously determined CD4+ counts and serum neopterin levels showed a similar pattern in progressors and nonprogressors. Thus, in contrast to CD4+ counts and neopterin levels, sTNFR concentrations, especially those of the type II STNFR, appear to be valuable surrogate markers for monitoring the efficacy of ZDV treatment in asymptomatic HIV-1 infection.

(C) Lippincott-Raven Publishers.

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