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Randomised study to assess the efficacy and safety of once-daily etravirine-based regimen as a switching strategy in HIV-infected patients receiving a protease inhibitor-containing regimen. Etraswitch study

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Echeverria, Patricia
Bonjoch, Anna
Puig Batalla, Jorge
Molto, Jose
Paredes, Roger
Sirera, Guillem
Ornelas, Arelly
Pérez Álvarez, NuriaMés informacióMés informacióMés informació
Clotet, Bonaventura
Negredo, Eugènia
Document typeArticle
Defense date2014-02-04
Rights accessOpen Access
Attribution 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution 3.0 Spain
Abstract
Background: Etravirine (ETR) was approved for patients with virological failure and antiretroviral resistance mutations. It has also shown antiviral efficacy in antiretroviral-naive patients. However, data on the switching from protease inhibitors (PI) to ETR are lacking.; Methods: HIV-1-infected patients with suppressed viral load (VL) during a PI-containing regimen (>12 months) and no previous virological failure were randomized to switch from the PI to ETR (400 mg/day, dissolved in water) (ETR group, n = 22) or to continue with the same regimen (control group, n = 21). Percentage of patients with VL <= 50 copies/mL were assessed at week 48, as well as changes in CD4 T-cell counts and metabolic profile.; Results: We included 43 patients [72.9% male, 46.3 (42.2; 50.6) years]. Two patients receiving ETR (grade-1 diarrhea and voluntary discontinuation) and another in the control group (simplification) discontinued therapy early. No patients presented virological failure (two consecutive VL>50 copies/mL); treatment was successful in 95.2% of the control group and 90.9% of the ETR group (intention-to-treat analysis, missing = failure) (p = 0.58). CD4+ T-cell counts did not significantly vary [+49 cells/mu L in the ETR group (p = 0.25) and -4 cells/mu L in the control group (p = 0.71)]. The ETR group showed significant reductions in cholesterol (p<0.001), triglycerides (p=<0.001), and glycemia (p = 0.03) and higher satisfaction (0-10 scale) (p = 0.04). Trough plasma concentrations of ETR were similar to observed in studies using ETR twice daily.; Conclusion: Switch from a PI-based regimen to a once-daily combination based on ETR maintained undetectable VL during 48 weeks in virologically suppressed HIV-infected patients while lipid profile and patient satisfaction improved significantly.
CitationEcheverria, P. [et al.]. Randomised study to assess the efficacy and safety of once-daily etravirine-based regimen as a switching strategy in HIV-infected patients receiving a protease inhibitor-containing regimen. Etraswitch study. "PLoS One", 04 Febrer 2014, vol. 9, núm. 2. 
URIhttp://hdl.handle.net/2117/22665
DOI10.1371/journal.pone.0084676
ISSN1932-6203
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  • GREMA - Grup de Recerca en Estadística Matemàtica i les seves Aplicacions - Articles de revista [51]
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