Declining prevalence of HIV-1 drug resistance in antiretroviral treatment-exposed individuals in Western Europe

Andrea De Luca, David Dunn, Maurizio Zazzi, Ricardo Camacho, Carlo Torti, Iuri Fanti, Rolf Kaiser, Anders Sönnerborg, Francisco M. Codoñer, Kristel Van Laethem, Anne Mieke Vandamme, Loveleen Bansi, Valeria Ghisetti, David A M C Van De Vijver, David Asboe, Mattia C F Prosperi, Simona Di Giambenedetto

    Research output: Contribution to journalArticlepeer-review

    Abstract

    HIV-1 drug resistance represents a major obstacle to infection and disease control. This retrospective study analyzes trends and determinants of resistance in antiretroviral treatment (ART)-exposed individuals across 7 countries in Europe. Of 20 323 cases, 80% carried at least one resistance mutation: these declined from 81% in 1997 to 71% in 2008. Predicted extensive 3-class resistance was rare (3.2% considering the cumulative genotype) and peaked at 4.5% in 2005, decreasing thereafter. The proportion of cases exhausting available drug options dropped from 32% in 2000 to 1% in 2008. Reduced risk of resistance over calendar years was confirmed by multivariable analysis. © 2013 The Author.
    Original languageEnglish
    Pages (from-to)1216-1220
    Number of pages4
    JournalJournal of Infectious Diseases
    Volume207
    Issue number8
    DOIs
    Publication statusPublished - 15 Apr 2013

    Keywords

    • antiretroviral therapy
    • drug resistance
    • epidemiology
    • genotyping
    • HIV-1

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