期刊
AIDS RESEARCH AND HUMAN RETROVIRUSES
卷 16, 期 18, 页码 1939-1947出版社
MARY ANN LIEBERT INC PUBL
DOI: 10.1089/088922200750054666
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The aim of this study was to evaluate residual viral replication by assessing the HIV load of circulating infected cells in patients given an effective antiprotease-containing treatment for 1 year. PBMC HIV RNA and HIV DNA was quantified by techniques standardized and evaluated by interlaboratory quality control testing. Viral markers identified in a multicenter study were validated in a cross-sectional study of 121 patients beginning treatment. A longitudinal study of 3 viral markers was carried out in 18 patients, each of whom had fewer than 200 copies of HIV RNA per milliliter of plasma after 12 months of treatment. The cross-sectional study showed that viral replication in PBMCs was correlated with the number of circulating infected cells (Spearman rank correlation; p = 0.0001, r = 0.35) and the concentration of virus particles in the plasma (Spearman; p = 0.0001, r = 0.54). The longitudinal study showed that the decrease in HIV RNA levels was smaller in PBMCs than in the plasma. The largest decrease in HIV DNA levels after 12 months of treatment was recorded in patients with low levels of intracellular replication (Spearman; p = 0.005, r = 0.69). PBMC HIV RNA and HIV DNA levels were very informative markers, complementary to plasma HIV RNA levels. They should be used in future trials evaluating the long-term efficacy of new associations of highly active antiretroviral treatments.
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