Journal
MEDICINAL RESEARCH REVIEWS
Volume 24, Issue 2, Pages 151-181Publisher
WILEY
DOI: 10.1002/med.10058
Keywords
antithrombin; heparin; anticogulants; heparin mimics
Categories
Funding
- NHLBI NIH HHS [HL69975] Funding Source: Medline
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Clinically used anticoagulants are inhibitors of enzymes involved in the coagulation pathway, primarily thrombin and factor Xa. These agents can be either direct or indirect inhibitors of clotting enzymes. Heparin-based anticoagulants are indirect inhibitors that enhance the proteinase inhibitory activity of a natural anticoagulant, antithrombin. Despite its phenomenal success, current anticoagulation therapy suffers from the risk of serious bleeding. The need for safer and more effective antithrombotic agents clearly exists. The past decade has seen enormous effort directed toward discovering and/or designing new molecules with anticoagulant activity. These new molecules can be classified into (a) antithrombin and its mutants, (b) natural polysaccharides, (c) synthetic modified heparins and heparin-mimics, (d) synthetic oligosaccharides, and (e) synthetic non-sugar antithrombin activators. This review focuses on these efforts in designing or discovering new molecules that act through the antithrombin pathway of anticoagulation. (C) 2003 Wiley Periodicals, Inc.
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