Interpretation of genotypic resistance to predict darunavir/ritonavir failure in antiretroviral experienced patients

Andrea De Luca, G Sterrantino, M Zaccarelli, M Trotta, V Borghi, P Meraviglia, P Corsi, S Bonora, F Leoncini, M. Zazzi

Risultato della ricerca: Contributo in rivistaArticolo in rivista

Abstract

From the Italian Antiretroviral Resistance Cohort Analysis database, 1104 patients starting ritonavir-boosted darunavir-containing regimen were included as follows: 118 subsequently failed treatment at a median of 11 months (interquartile range: 5-20); 3 years failure proportion: 24.6%. HIV Drug Resistance Database and ANRS interpretation algorithms were associated with a progressive risk prediction of virological failure at adjusted Cox. In contrast, Rega algorithm allows to identify a higher number of patients at risk of failure, without losing statistical significance. Four mutations (V32I, I50V, L76V, I84V) were predictive of failure, the hazard ratio progressively increased by detecting 1 (hazard ratio: 2.0, 95% confidence interval: 1.3 to 3.0), 2 (3.6, 2.0 to 6.6), or 3 of them (9.7, 2.8 to 33.5).
Lingua originaleEnglish
pagine (da-a)170-172
Numero di pagine3
RivistaJournal of Acquired Immune Deficiency Syndromes
Volume59
DOI
Stato di pubblicazionePubblicato - 2012

Keywords

  • Adult
  • Algorithms
  • Antiretroviral Therapy, Highly Active
  • Drug Resistance, Multiple, Viral
  • Female
  • HIV Infections
  • HIV Protease Inhibitors
  • HIV-1
  • Humans
  • Italy
  • Male
  • Middle Aged
  • Mutation
  • Risk Factors
  • Ritonavir
  • Sulfonamides
  • Treatment Failure

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