Fondaparinux
生产企业：Glaxosmithkline
Fondaparinux is an anticoagulant used to prevent venous thromboembolism, to treat deep vein thrombosis, and to improve survival following myocardial infarction.
Fondaparinux is an anticoagulant used to prevent venous thromboembolism, to treat deep vein thrombosis, and to improve survival following myocardial infarction.
The antithrombotic activity of fondaparinux is the result of ATIII-mediated selective inhibition of Factor Xa. By selectively binding to ATIII, Fondaparinux potentiates (about 300 times) the neutralization of Factor Xa by ATIII. Neutralization of Factor Xa interrupts the blood coagulation cascade and thus inhibits thrombin formation and thrombus development. It is thought that fondaparinux is unlikely to induce thrombocytopenia via a heparin-induced thrombocytopenia (HIT)-like mechanism given its chemical structure . As a result, fondaparinux has been used as an alternative anticoagulant in heparin-induced thrombocytopenia (HIT) patients . However, it is important to note that rare cases of HIT have been reported in patients treated with fondaparinux .
Approved for: (1) prophylaxis of VTE for up to one month post surgery in patients undergoing orthopedic surgery of the lower limbs such as hip fracture, hip replacement and knee surgery; (2) prophylaxis of VTE patients undergoing abdominal surgery who are at high risk of thromboembolic complications (e.g. patients undergoing abdominal cancer surgery); (3) treatment of acute DVT and PE; (4) management of UA and NSTEMI for the prevention of death and subsequent myocardial infarction (MI); and (5) management of STEMI for the prevention of death and myocardial reinfarction in patients who are managed with thrombolytics or who are initially to receive no form of reperfusion therapy. Fondaparinux should not be used as the sole anticoagulant during percutaneous coronary intervention (PCI) due to an increased risk of guiding catheter thrombosis.
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