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- W3107054865 abstract "• Despite successful antiretroviral therapy, patients with human immunodeficiency virus (HIV) could develop multi-class drug resistance (MDR) • Data about the prevalence of HIV-MDR are scanty and results are unclear • A significant decline in the prevalence of HIV-MDR over between 1998 and 2018 was observed • Nowadays, HIV-MDR still occurs, although at a lower rate • Management of patients infected by MDR viruses is a critical issue in HIV therapy Despite successful antiretroviral therapy (ART), patients infected with human immunodeficiency virus (HIV) can develop multi-class drug resistance (MDR). This retrospective study aimed to explore the prevalence of HIV-1 drug resistance over the past two decades by focusing on HIV-MDR and its predictors. ART-experienced patients with HIV with results from at least one plasma genotypic resistance test (GRT) from 1998 to 2018, from the Antiviral Response Cohort Analysis database, were included in this study. The temporal trend of resistance to any drug class was evaluated by considering all GRTs. Prevalence and predictors of HIV-MDR were analysed by consideration of cumulative GRTs. Among 15 628 isolates from 6802 patients, resistance to at least one drug class decreased sharply from 1998 to 2010 (1998–2001: 78%; 2008–2010: 59%; P <0.001) and then remained relatively constant at approximately 50% from 2011 to 2018, with the proportion of isolates with HIV-MDR also stable (approximately 9%). By evaluating factors associated with cumulative HIV-MDR, the following factors were found to be associated with increased risk of HIV-MDR on multi-variate analysis: male gender; sexual and vertical transmission; number of previous protease inhibitors, nucleoside/nucleotide reverse transcriptase inhibitors (NRTIs) and non-NRTIs; previous exposure to integrase strand transfer inhibitors, enfuvirtide and maraviroc; and co-infection with hepatitis B virus. In contrast, a nadir CD4 cell count ≥200 cells/mm 3 , starting first-line ART in 2008 or later and co-infection with hepatitis C virus were associated with lower risk of HIV-MDR. In conclusion, this study revealed that HIV-1 drug resistance has been stable since 2011 despite its dramatic decrease over the past two decades. HIV-MDR is still present, although at a lower rate, suggesting the need for continuous surveillance and accurate management of ART-experienced patients with HIV." @default.
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- W3107054865 date "2021-02-01" @default.
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- W3107054865 title "Prevalence and factors associated with HIV-1 multi-drug resistance over the past two decades in the Italian ARCA database" @default.
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- W3107054865 doi "https://doi.org/10.1016/j.ijantimicag.2020.106252" @default.
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