Oral, Direct Factor Xa Inhibitors in Development for the Prevention and Treatment of Thromboembolic Diseases Academic Article uri icon

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abstract

  • Anticoagulants are recommended for the prevention and treatment of a wide variety of thromboembolic events. Although existing anticoagulants are effective, their use is limited by parenteral administration or the requirement for frequent monitoring and subsequent dose adjustment. Therefore, there is an urgent need for novel, oral agents with a predictable anticoagulant action. Because of its key position in the coagulation cascade and its limited roles outside of coagulation, Factor Xa has emerged as an attractive target for novel anticoagulants. As a result, the past decade has witnessed an explosion of research into small-molecule, oral, direct Factor Xa inhibitors, and several are now in clinical development. Rivaroxaban, LY517717, YM150, apixaban, PRT054021, and DU-176b, among others, have shown considerable promise; rivaroxaban is currently furthest ahead in its developmental program, having entered phase III in 3 indications. It is hoped that, before long, these anticoagulants will allow us to enter an era of convenient, oral anticoagulation, without the need for regular monitoring or dose adjustment.

publication date

  • June 2007