Journal
EUROPEAN HEART JOURNAL
Volume 44, Issue 4, Pages 280-292Publisher
OXFORD UNIV PRESS
DOI: 10.1093/eurheartj/ehac464
Keywords
Anticoagulation; Anticoagulants; Antithrombotic agents; Thrombosis; Bleeding; Factor XI
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This paper reviews the potential of drugs targeting factor XI in anticoagulant therapy, along with ongoing clinical trials and future research directions.
Anticoagulants are the cornerstone for prevention and treatment of thrombosis but are not completely effective, and concerns about the risk of bleeding continue to limit their uptake. Animal studies and experience from patients with genetic coagulation factor XI deficiency suggesting that this factor is more important for thrombosis than for haemostasis raises the potential for drugs that target factor XI to provide safer anticoagulation. Multiple factor XI inhibitors are currently under evaluation in clinical trials, including parenterally administered antisense oligonucleotides, monoclonal antibodies, and orally active small-molecule inhibitors. Promising results of phase 2 trials in patients undergoing major orthopaedic surgery, and in those with end-stage kidney disease, atrial fibrillation and acute coronary syndromes have led to large phase 3 trials that are currently ongoing. We here review premises for the use of these agents, results so far accrued, ongoing studies, and perspectives for future patient care.
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