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Comparative effectiveness and safety of apixaban, dabigatran, and rivaroxaban in patients with non-valvular atrial fibrillation.

Abstract：

BACKGROUND:The comparative effectiveness and safety of individual direct oral anticoagulants (DOACs) in clinical practice is largely unknown. The study objectives were to compare effectiveness and safety of DOACs in patients with non-valvular atrial fibrillation (NVAF). METHODS:Based on nationwide registers we established a population-based historical cohort study of 12,638 new users of standard dose DOACs (apixaban 5 mg twice daily, dabigatran 150 mg twice daily and rivaroxaban 20 mg once daily) with NVAF in Denmark, July 2013 to March 2016. Patients were matched on propensity scores in a 1:1 ratio comparing apixaban vs. dabigatran (for a total of 6470 patients), apixaban vs. rivaroxaban (7352 patients), and rivaroxaban vs. dabigatran (5440 patients). Hazard ratios (HRs) for stroke or systemic embolism (effectiveness outcome) and major bleeding (safety outcome) were estimated. RESULTS:In propensity-matched comparisons of the risk of stroke or systemic embolism, the HRs were 1.27 (95% confidence interval [CI], 0.82-1.96) for apixaban vs. dabigatran, 1.25 (95% CI, 0.87-1.79) for apixaban vs. rivaroxaban, and 1.17 (95% CI, 0.69-1.96) for rivaroxaban vs. dabigatran. For the risk of major bleeding, the HRs were 0.94 (95% CI, 0.62-1.41) for apixaban vs. dabigatran, 0.88 (95% CI, 0.64-1.22) for apixaban vs. rivaroxaban, and 1.35 (95% CI, 0.91-2.00) for rivaroxaban vs. dabigatran. CONCLUSIONS:Among patients with NVAF in routine clinical practice, there were no statistically significant differences in risk of stroke or systemic embolism or major bleeding in propensity-matched comparisons between apixaban, dabigatran, and rivaroxaban used in standard doses. While analyses indicate that more than moderate differences can be excluded, smaller differences cannot be ruled out.

journal_name

Int J Cardiol

journal_title

International journal of cardiology

authors

Andersson NW,Svanström H,Lund M,Pasternak B,Melbye M

doi

10.1016/j.ijcard.2018.03.047

subject

Has Abstract

pub_date

2018-10-01 00:00:00

pages

113-119

eissn

0167-5273

issn

1874-1754

pii

S0167-5273(17)35612-7

journal_volume

268

pub_type

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Comparative effectiveness and safety of apixaban, dabigatran, and rivaroxaban in patients with non-valvular atrial fibrillation.