Dissemin is shutting down on January 1st, 2025

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Oxford University Press (OUP), Journal of Antimicrobial Chemotherapy, 8(66), p. 1886-1896

DOI: 10.1093/jac/dkr171

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Detection of drug resistance mutations at low plasma HIV-1 RNA load in a European multicentre cohort study

Journal article published in 2011 by R. del Gobbo, Damc A. M. C. van de Vijver, M. Zazzi ORCID, Carlo Torti, D. Tacconi, S. Zanussi, A. Zoncada, Anders Sonnerborg, G. Zuccati, P. Turconi, S. Tini, K. Van Laethem, L. Sighinolfi, Mcf C. F. Prosperi, A. Tosti and other authors.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Background and objectives: Guidelines indicate a plasma HIV-1 RNA load of 500-1000 copies/mL as the minimal threshold for antiretroviral drug resistance testing. Resistance testing at lower viral load levels may be useful to guide timely treatment switches, although data on the clinical utility of this remain limited. We report here the influence of viral load levels on the probability of detecting drug resistance mutations (DRMs) and other mutations by routine genotypic testing in a large multicentre European cohort, with a focus on tests performed at a viral load