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Safety of darunavir/ritonavir (DRV/r) in HIV-1-infected DRV/r-experienced and -naïve patients: analysis of data in the real-world setting in Italy.

Abstract：

INTRODUCTION:This descriptive, non-interventional study on HIV-1-infected patients treated with DRV/r in the usual clinical setting, with a single-arm prospective observational design, collected data on utilization of darunavir/ritonavir (DRV/r) under the conditions described in marketing authorization in usual clinical practice in Italy to evaluate efficacy and safety of DRV/r-based antiretroviral (ARV) treatment. This analysis focussed on the safety profile of DRV/r in HIV-1 infected patients. MATERIALS AND METHODS:Data were analyzed from four cohorts of HIV-1-infected patients treated with DRV/r in the real-world setting, including an ARV-naïve-DRV/r-naïve cohort (Cohort 1), an ARV-experienced-DRV/r-naïve cohort (Cohort 2) and two ARV-DRV/r-experienced cohorts (Cohorts 3 and 4), one of which (Cohort 3) was from the DRV/r Early Access Program. The objective of this analysis was to examine the safety data obtained in these four cohorts in patients enrolled from June 2009 to November 2011 and observed until December 2012 or DRV/r discontinuation. RESULTS:Safety data from 875 patients were analyzed. DRV/r-based treatment was well tolerated, with 36.2% of patients reporting ≥1 adverse event (AE) and very few discontinuations due to study drug-related AEs (3.0% overall). The most frequent AEs were diarrhoea (2.7%), reduced bone density (2.6%) and hypercholesterolaemia (2.1%) (Table 1). Regarding metabolic parameters, levels of liver enzymes alanine aminotransferase (ALT) and aspartate aminotransferase (AST) remained stable from baseline to the last study visit (LSV) in DRV-experienced patients and decreased in DRV-naïve patients. Blood glucose concentrations remained stable in all cohorts. Serum triglyceride and cholesterol concentrations remained stable in DRV-experienced patients but increased in naïve patients, yet were still within normal range. CONCLUSIONS:In HIV-1-infected patients treated with DRV/r in these settings, the tolerability profile was favourable and similar to (or better than) that reported in controlled clinical trials. These data confirm DRV/r to be a safe treatment choice in DRV/r-experienced and naïve patients.

journal_name

J Int AIDS Soc

journal_title

Journal of the International AIDS Society

authors

Antinori A,Borderi M,Cauda R,Bini T,Chirianni A,Squillace N,Mancusi D,Termini R

doi

10.7448/IAS.17.4.19573

subject

Has Abstract

pub_date

2014-11-02 00:00:00

pages

19573

issue

4 Suppl 3

issn

1758-2652

pii

19573

journal_volume

pub_type

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Safety of darunavir/ritonavir (DRV/r) in HIV-1-infected DRV/r-experienced and -naïve patients: analysis of data in the real-world setting in Italy.