A synthetic antithrombin III binding pentasaccharide is now a drug! : what comes next?

M. Petitou, C.A.A. Boeckel, van

Research output: Contribution to journalArticleAcademicpeer-review

389 Citations (Scopus)
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Abstract

Heparin is a sulfated glycosaminoglycan isolated from animal organs that has been used clinically as an antithrombotic agent since the 1940s. In the early 1980s it was discovered that a unique pentasaccharide domain in some heparin chains activates antithrombin III (AT-III), a serine protease inhibitor that blocks thrombin and factor Xa in the coagulation cascade. Sanofi-Synthélabo and Organon developed a synthetic analogue of this pentasaccharide. The resulting antithrombotic drug arixtra, which went on the market in the USA and Europe in 2002, shows superior antithrombotic activity and brings about AT-III-mediated activity against factor Xa exclusively. Structure-based design has subsequently led to analogues with longer-lasting activity, such as idraparinux, as well as novel conjugates and long oligosaccharides with specific anti-Xa and antithrombin activities. The new drug candidates are more selective in their mode of action than heparin and less likely to induce thrombocytopenia.
Original languageEnglish
Pages (from-to)3118-3133
JournalAngewandte Chemie - International Edition
Volume43
Issue number24
DOIs
Publication statusPublished - 2004

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