Generic Name and Formulations:
Antihemophilic Factor (recombinant): nominally 250 IU, 500 IU, 1000 IU, or 2000 IU per vial; pwd for IV infusion after reconstitution; plasma/ albumin-free; preservative-free; contains polysorbate 80. Actual factor VIII activity noted on each vial.
In Hemophilia A: to control bleeding episodes, and for surgical prophylaxis.
Individualize and titrate. Give by IV infusion over several minutes. One IU of factor VIII per kg raises the plasma factor VIII activity by about 2 IU/dL. Minor bleeds: factor VIII level required is 20–40 IU/dL or % of normal, repeat infusion every 12–24 hours as needed for at least 1 day, until resolution. Moderate bleeds: 30–60 IU/dL or % of normal; repeat infusion every 12–24 hours for 3–4 days or until hemostasis. Major bleeds: 60–100 IU/dL or % of normal, repeat infusion every 8–24 hours until resolution. Minor surgical procedures: 30–60 IU/dL or % of normal, repeat infusion every 12–24 hours for 3–4 days or until hemostasis. Major surgery: 60–100 IU/dL or % of normal; repeat infusion every 8–24 hours until hemostasis and wound healing occurs.
Consult manufacturer (limited pharmacokinetic data available; studies are ongoing).
Monitor for development of Factor VIII inhibitors; may need dose adjustment. Pregnancy (Cat.C). Labor & delivery. Nursing mothers.
Hypersensitivity reactions/anaphylaxis, pyrexia, headache, GI upset, asthenia.
Kit—1 (w. diluent, supplies)