The new era of anticoagulation: factor XI and XII inhibitors
Published: June 7 2023
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All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.
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The two last decades have witnessed a revolution in the field of anticoagulation, mainly due to the advent of direct anticoagulant with targeted action against single coagulation proteins. However, the residual risk of cardio- and cerebrovascular events, particularly in some critical settings, and the risk of major bleeding still represent unmet medical needs. Preclinical studies and experience from families with genetic deficiencies of factor XI or XII (FXI and FXII) allowed to identify these factors involved in the contact pathway of coagulation as potential targets for new anticoagulant approaches. To date, several pharmacological classes of FXI and FXII inhibitors have been developed, including antisense oligonucleotides, monoclonal antibodies, small molecules, natural inhibitors, and aptamers, and various molecules are currently under phase 2 or 3 clinical investigation. Particularly, promising results have been obtained in patients undergoing major orthopedic surgery, in those with end-stage kidney disease, atrial fibrillation and acute coronary syndrome. This review summarizes current knowledge on FXI and FXII inhibitors, with a particular focus on their pharmacological properties and potential clinical indications.
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The new era of anticoagulation: factor XI and XII inhibitors. (2023). Bleeding, Thrombosis and Vascular Biology, 2(2). https://doi.org/10.4081/btvb.2023.76
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