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  • Title: Recombinant factor VIIa (NovoSeven) as a hemostatic agent.
    Author: Hedner U.
    Journal: Dis Mon; 2003 Jan; 49(1):39-48. PubMed ID: 12525827.
    Abstract:
    Recombinant activated factor VII (rFVIIa; NovoSeven, Novo Nordisk, Denmark) induces hemostasis in life- and limb-threatening bleeds and in major surgery of hemophilia A and B patients, regardless of inhibitor titer. A total of more than 6,500 patients have been treated, and NovoSeven has been administered in more than 180,000 standard doses. Experience gained from these clinical situations suggests that NovoSeven should be administered as a 90- to 110-microg/kg bolus dose every second hour. Hemophilia patients with mild to moderate bleeding episodes require two to three doses to achieve complete hemostasis, whereas patients with severe bleeding episodes may require more doses. For major surgery and in cases of life-threatening bleeding, dosing every second hour for the first 24 hours may be required. Thereafter, the same dose, but with longer intervals between doses, is recommended. Recent in vitro experiments indicate that even higher doses of NovoSeven may be needed to achieve full thrombin generation in the absence of factor VIII (FVIII), factor IX (FIX), and factor XI (FXI).
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