Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing · 2024
Clinical and economic outcomes with rivaroxaban versus warfarin in patients with nonvalvular atrial fibrillation and obstructive sleep apnea: retrospective analysis of US healthcare claims.
СтатьяСравнительное исследованиеНазвание и аннотация: Перевод в очереди
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Natale Andrea, Mohanty Sanghamitra, Chen Cindy, Zhao Yuan, Campbell Alicia K, Bookhart Brahim, Ashton Veronica
Аннотация
BACKGROUND: Atrial fibrillation (AF) and obstructive sleep apnea (OSA) are often comorbid and associated with increased risk of cardiovascular events such as stroke. We evaluated the effectiveness, safety, healthcare resource utilization, and costs of rivaroxaban versus warfarin in patients with nonvalvular AF (NVAF) and comorbid OSA.
METHODS: We used the IQVIA PharMetrics® Plus adjudicated claims database to evaluate patients with NVAF, OSA, and moderate-to-severe stroke risk who initiated rivaroxaban or warfarin between November 2011 and December 2022. We adjusted for potential confounders with propensity score overlap weighting. Primary endpoints were evaluated based on intent-to-treat (ITT) and on-treatment follow-up to compare stroke or systemic embolism risk, major bleeding risk, all-cause healthcare resource utilization (inpatient hospitalizations, emergency department visits, outpatient visits, and pharmacy fills), and costs (per patient per year [PPPY]) by treatment cohort.
RESULTS: In total, 14,765 patients were included (9133 received rivaroxaban; 5632 received warfarin). Rivaroxaban significantly reduced stroke or systemic embolism versus warfarin by 26% (ITT-hazard ratio, 0.74 [95% CI 0.60-0.91]; P = 0.004) and 30% (on-treatment-hazard ratio, 0.70 [95% CI 0.55-0.89]; P = 0.004). Major bleeding was not significantly different between rivaroxaban and warfarin in either analysis. All-cause healthcare resource utilization was significantly reduced with rivaroxaban versus warfarin, leading to significantly reduced PPPY costs.
CONCLUSIONS: Among patients with NVAF and OSA, rivaroxaban was associated with a significant reduction in stroke or systemic embolism risk versus warfarin with no difference in major bleeding. Rivaroxaban significantly reduced healthcare resource utilization and costs compared with warfarin, providing support for the use of rivaroxaban in this population.
METHODS: We used the IQVIA PharMetrics® Plus adjudicated claims database to evaluate patients with NVAF, OSA, and moderate-to-severe stroke risk who initiated rivaroxaban or warfarin between November 2011 and December 2022. We adjusted for potential confounders with propensity score overlap weighting. Primary endpoints were evaluated based on intent-to-treat (ITT) and on-treatment follow-up to compare stroke or systemic embolism risk, major bleeding risk, all-cause healthcare resource utilization (inpatient hospitalizations, emergency department visits, outpatient visits, and pharmacy fills), and costs (per patient per year [PPPY]) by treatment cohort.
RESULTS: In total, 14,765 patients were included (9133 received rivaroxaban; 5632 received warfarin). Rivaroxaban significantly reduced stroke or systemic embolism versus warfarin by 26% (ITT-hazard ratio, 0.74 [95% CI 0.60-0.91]; P = 0.004) and 30% (on-treatment-hazard ratio, 0.70 [95% CI 0.55-0.89]; P = 0.004). Major bleeding was not significantly different between rivaroxaban and warfarin in either analysis. All-cause healthcare resource utilization was significantly reduced with rivaroxaban versus warfarin, leading to significantly reduced PPPY costs.
CONCLUSIONS: Among patients with NVAF and OSA, rivaroxaban was associated with a significant reduction in stroke or systemic embolism risk versus warfarin with no difference in major bleeding. Rivaroxaban significantly reduced healthcare resource utilization and costs compared with warfarin, providing support for the use of rivaroxaban in this population.