Journal
EUROPEAN JOURNAL OF HAEMATOLOGY
Volume 104, Issue 4, Pages 328-335Publisher
WILEY
DOI: 10.1111/ejh.13383
Keywords
apixaban; Atrial fibrillation; dialysis; end-stage renal disease; oral anticoagulation; rivaroxaban
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Funding
- Bayer AG, Berlin, Germany
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Objectives We sought to evaluate the effectiveness and safety of rivaroxaban vs apixaban in non-valvular atrial fibrillation (NVAF) patients with end-stage renal disease (ESRD) and/or receiving dialysis in routine practice. Methods Using US MarketScan claims data from January 1, 2014, to December 31, 2017, we identified new-users of rivaroxaban or apixaban during 2015 with at least 12 months of insurance coverage prior to oral anticoagulant (OAC) initiation. Differences in baseline covariates between cohorts were adjusted using inverse probability-of-treatment weighting based on propensity scores. Patients were followed for stroke or systemic embolism (SSE) or major bleeding hospitalizations. Cox proportion hazards regression was used to compare rivaroxaban and apixaban. Analyses stratified by age, sex, CHA2DS2-VASc score, prior stroke, prior bleed, diabetes, and reduced OAC dose were performed. Results We identified 787 rivaroxaban and 1836 apixaban users. Median (25, 75% range) age = 70 (61, 79), CHA2DS2-VASc score = 3 (2, 4), and follow-up = 0.87 (0.38, 1.56) years. No differences in the risks of SSE (HR = 1.18, 95% CI = 0.53-2.63), ischemic stroke (HR = 1.12, 95%CI = 0.45-2.76), or major bleeding (HR = 1.00, 95% CI = 0.63-1.58) were observed. No significant interactions were observed upon subgroup analysis. Conclusion In NVAF patients with ESRD and/or receiving dialysis, rivaroxaban and apixaban were associated with similar risks of SSE and major bleeding.
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