Budget impact analysis of the simplification to atazanavir + ritonavir + lamivudine dual therapy of HIV-positive patients receiving atazanavir-based triple therapies in Italy starting from data of the Atlas-M trial

Simona Di Giambenedetto, Umberto Restelli, Carmela Nappi, Davide Croce

Risultato della ricerca: Contributo in rivistaArticolo in rivista

9 Citazioni (Scopus)

Abstract

Background: This analysis aimed at evaluating the impact of a therapeutic strategy of treatment simplification of atazanavir (ATV)+ ritonavir (r) + lamivudine (3TC) in virologically suppressed patients receiving ATV+r+2 nucleoside reverse transcriptase inhibitors (NRTIs) on the budget of the Italian National Health Service (NHS). Methods: A budget impact model with a 5-year time horizon was developed based on the clinical data of Atlas-M trial at 48 weeks (in terms of percentage of patients experiencing virologic failure and adverse events), from the Italian NHS perspective. A scenario in which the simplification strategy was not considered was compared with three scenarios in which, among a target population of 1,892 patients, different simplification strategies were taken into consideration in terms of percentage of patients simplified on a yearly basis among those eligible for simplification. The costs considered were direct medical costs related to antiretroviral drugs, adverse events management, and monitoring activities. Results: The percentage of patients of the target population receiving ATV+r+3TC varies among the scenarios and is between 18.7% and 46.9% in year 1, increasing up to 56.3% and 84.4% in year 5. The antiretroviral treatment simplification strategy considered would lead to lower costs for the Italian NHS in a 5-year time horizon between -28.7 million € and -16.0 million €, with a reduction of costs between -22.1% (-3.6 million €) and -8.8% (-1.4 million €) in year 1 and up to -39.9% (-6.9 million €) and -26.6% (-4.6 million €) in year 5. Conclusion: The therapy simplification for patients receiving ATV+r+2 NRTIs to ATV+r+3TC at a national level would lead to a reduction of direct medical costs over a 5-year period for the Italian NHS.
Lingua originaleEnglish
pagine (da-a)173-179
Numero di pagine7
RivistaClinicoEconomics and Outcomes Research
Volume9
DOI
Stato di pubblicazionePubblicato - 2017

Keywords

  • 2001
  • Antiretroviral therapy
  • Cost
  • De-intensification
  • Economic evaluation
  • Health Policy
  • Italian National Health Service
  • Protease inhibitor

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