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Assessment of clinical and economic impact of rivaroxaban plus aspirin vs. aspirin alone as a secondary prophylaxis in patients with chronic and symptomatic peripheral arterial disease in the United States

Shah, Anshul ; Dabbous, Firas ; Shah, Surbhi ; Ashton, Veronica ; Kharat, Akshay

Journal of medical economics, 2024-12, Vol.27 (1), p.10-15 [Periódico revisado por pares]

England

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  • Título:
    Assessment of clinical and economic impact of rivaroxaban plus aspirin vs. aspirin alone as a secondary prophylaxis in patients with chronic and symptomatic peripheral arterial disease in the United States
  • Autor: Shah, Anshul ; Dabbous, Firas ; Shah, Surbhi ; Ashton, Veronica ; Kharat, Akshay
  • Assuntos: Aspirin - therapeutic use ; Drug Therapy, Combination ; Factor Xa Inhibitors - therapeutic use ; Hemorrhage - chemically induced ; Humans ; Peripheral Arterial Disease - complications ; Platelet Aggregation Inhibitors - therapeutic use ; Rivaroxaban ; United States
  • É parte de: Journal of medical economics, 2024-12, Vol.27 (1), p.10-15
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
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  • Descrição: The objective in this study was to assess the clinical and economic implications of the inclusion of rivaroxaban as a secondary prophylaxis in patients with chronic or symptomatic peripheral artery disease (PAD) in the United States (US). A cost-consequence model was adapted to evaluate the economic impact of rivaroxaban plus aspirin in a hypothetical 1-million-member health plan. The model inputs were taken from multiple sources: efficacy and safety of rivaroxaban + aspirin vs. aspirin alone were abstracted from COMPASS and VOYAGER randomized clinical trials; the prevalence of chronic and symptomatic PAD and incidence rates of clinical events (major adverse cardiac events [MACE], major adverse limb events [MALE], and major bleeding), were abstracted from the analysis of claims data; healthcare costs of clinical events and wholesale acquisition costs for rivaroxaban were abstracted from the literature and Red Book, respectively (2022 USD). One-way sensitivity analyses and subgroup analyses were also conducted. Over one year, with a 5% uptake of rivaroxaban, the model estimated rivaroxaban + aspirin to reduce 21 MACE/MALE events in the PAD patient population. The reduction in these clinical events offsets the increased risk of major bleeding (16 additional events), demonstrating a positive health benefit of the rivaroxaban addition. These benefits led to a $0.27 incremental cost per member per month (PMPM) to a US plan. The major driver of the incremental cost was the cost of rivaroxaban. In a subgroup of patients with the presence of any high-risk factor (heart failure, diabetes, renal insufficiency, or history of vascular disease affecting two or more vascular beds), the incremental PMPM cost was $0.13. Rivaroxaban + aspirin was found to provide positive net clinical benefit on the annual number of MACE/MALE avoided, with a modest increase in the PMPM cost.
  • Editor: England
  • Idioma: Inglês

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