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03-07-2017 | Original Article - E‑Learning | Uitgave 10/2017 Open Access

Netherlands Heart Journal 10/2017

Real-life use of Rivaroxaban in the Netherlands: data from the Xarelto for Prevention of Stroke in Patients with Atrial Fibrillation (XANTUS) registry

Tijdschrift:
Netherlands Heart Journal > Uitgave 10/2017
Auteurs:
R. Pisters, S. P. G. van Vugt, M. A. Brouwer, A. Elvan, W. L. ten Holt, P. A. G. Zwart, P. Kirchhof, H. J. G. M. Crijns, M. E. W. Hemels

Abstract

Background

The Xarelto for Prevention of Stroke in Patients with Atrial Fibrillation (XANTUS) registry investigated the safety and efficacy of the factor Xa inhibitor rivaroxaban. We studied the Dutch XANTUS cohort to a ssess drug safety and prescription patterns in the Netherlands.

Methods

The XANTUS registry was designed as a European prospective, observational study among patients with non-valvular atrial fibrillation. Major bleeding and all-cause mortality were assessed every three months during a 1-year follow-up period. In this Dutch sub-cohort we were also specifically interested in dosing regimens and the incidence and reasons for temporary or permanent discontinuation.

Results

Patients (n = 899) had a mean age of 69 (SD ± 9) years and 64.8% were male. The median CHA2DS2-VASc score was 2 (IQR 2–4) and the median HAS-BLED score was 2 (IQR 1–2). Major bleeding occurred in 19 patients (2.4 per 100 patient-years) and 8 patients (1.0 per 100 patient-years) died during the 1‑year follow-up period. According to renal function, label-discordant dosing was observed in 48 (8.3%) patients. Finally, 124 patients (13.8%) reported a temporary interruption of rivaroxaban treatment and 11.8% switched to another oral anticoagulant therapy after permanent discontinuation of rivaroxaban.

Conclusion

In the Dutch subset of the XANTUS registry, we observed low rates of major bleeding and label-discordant dosing and high persistence rates during one year of follow-up in patients receiving rivaroxaban in routine clinical practice. However, documenting the motivation of novel oral anticoagulant (NOAC) type and dose is essential to study label-discordant prescription, a potential safety paradox and identify patient characteristics to optimise NOAC use and adherence.

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Netherlands Heart Journal

Het Netherlands Heart Journal wordt uitgegeven in samenwerking met de Nederlandse Vereniging voor Cardiologie en de Nederlandse Hartstichting. Het tijdschrift is Engelstalig en wordt gratis beschikbaa ...

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