April 30, 2026 · European heart journal · DOI: 10.1093/eurheartj/ehag246

Direct oral anticoagulants vs warfarin in Asian vs non-Asian patients with atrial fibrillation: a patient-level meta-analysis from COMBINE AF

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The authors aimed to compare the clinical outcomes of direct oral anticoagulants (DOACs) versus warfarin in Asian and non-Asian patients with atrial fibrillation, utilizing pooled patient-level data from multiple trials. They found that standard-dose DOACs significantly reduced the risks of stroke, major bleeding, and other adverse outcomes in Asian patients compared to warfarin, with even more favorable results than in non-Asian patients. Additionally, standard-dose DOACs did not increase the risk of gastrointestinal bleeding in Asians, suggesting they are the preferred treatment option for this demographic.

Tze-Fan Chao, Eugene Braunwald, Michael G Palazzolo, Elliott M Antman, Anthony P Carnicelli, John W Eikelboom, Christopher B Granger, Shinya Goto, Eri Toda Kato, Gregory Y H Lip, Manesh R Patel, Christian T Ruff, Lars Wallentin, Robert P Giugliano

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