Journal
EGYPTIAN HEART JOURNAL
Volume 70, Issue 4, Pages 307-313Publisher
SPRINGER
DOI: 10.1016/j.ehj.2018.09.002
Keywords
EEMEA; Latin America; Rivaroxaban; Real-world; Stroke prevention
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Funding
- Bayer AG
- Janssen Research & Development, LLC
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Background: The prospective, observational XANTUS study demonstrated low rates of stroke and major bleeding in real-world rivaroxaban-treated patients with non-valvular atrial fibrillation (NVAF) from Western Europe, Canada and Israel. XANTUS-EL is a component of the overall XANTUS programme and enrolled patients with NVAF treated with rivaroxaban from Eastern Europe, the Middle East and Africa (EEMEA) and Latin America. Methods: Patients with NVAF starting rivaroxaban for stroke prevention were consecutively recruited and followed for 1 year, at approximately 3-month intervals, or for >= 30 days after permanent rivaroxaban discontinuation. Primary outcomes were major bleeding, adverse events (AEs), serious AEs and all-cause mortality. Secondary outcomes included stroke, non-central nervous system systemic embolism (non-CNS SE), transient ischaemic attack (TIA), myocardial infarction (MI) and non-major bleeding. All major outcomes were centrally adjudicated. Results: Overall, 2064 patients were enrolled; mean age +/- standard deviation was 67.1 +/- 11.32 years; 49.3% were male. Co-morbidities included heart failure (30.9%), hypertension (84.2%), diabetes mellitus (26.5%), prior stroke/non-CNS SE/TIA (16.2%) and prior MI (10.7%). Mean CHADS(2), CHA(2)DS(2)-VASc and HAS-BLED scores were 2.0, 3.6 and 1.6, respectively. Treatment-emergent event rates were (events/100 patient-years, [95% confidence interval]): major bleeding 0.9 (0.5-1.4); all-cause mortality 1.7 (1.2-2.4); stroke/non-CNS SE 0.7 (0.4-1.2); any AE 18.1 (16.2-20.1) and any serious AE 8.3 (7.0-9.7). One-year treatment persistence was 81.9%. Conclusions: XANTUS-EL confirmed low stroke and major bleeding rates in patients with NVAF from EEMEA and Latin America. The population was younger but with more heart failure and hypertension than XANTUS; stroke/SE rate was similar but major bleeding lower. (C) 2018 Egyptian Society of Cardiology. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license
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