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Adult Dosing .
Dosage forms: INJ
Special Note
- [dosing clarification]
- Info: 1 unit/kg will incr. factor IX level approx. 0.9%; dose, duration varies by site/severity of bleeding, severity of deficiency, and presence of inhibitors
hemophilia B
- [bleeding episode, minor]
- Dose: individualize dose IV q12-24h for at least 1 day until hemostasis; Info: estimated dose (units) = [wt (kg) x desired factor IX level (%) x 1.1] where desired factor IX level = 20-30%
- [bleeding episode, moderate]
- Dose: individualize dose IV q12-24h x2-7 days until hemostasis; Info: estimated dose (units) = [wt (kg) x desired factor IX level (%) x 1.1] where desired factor IX level = 25-50%
- [bleeding episode, major]
- Dose: individualize dose IV q12-24h x7-10 days until hemostasis; Info: estimated dose (units) = [wt (kg) x desired factor IX level (%) x 1.1] where desired factor IX level = 50-100%
- [bleeding prophylaxis, minor surgery]
- Dose: individualize dose IV x1 preop, then cont. q24h for at least 1 day until hemostasis; Info: estimated dose (units) = [wt (kg) x desired factor IX level (%) x 1.1] where desired factor IX level = 30-60%
- [bleeding prophylaxis, major surgery]
- Dose: individualize dose IV x1 preop, then cont. q8-24h x7-10 days until hemostasis; Info: estimated dose (units) = [wt (kg) x desired factor IX level (%) x 1.1] where desired factor IX level = 80-100%
- [routine bleeding prophylaxis, previously treated pts]
- Dose: 40-60 units/kg/dose IV 2x/wk; Info: may incr. dose depending on age, bleeding pattern, and physical activity
renal dosing
- [not defined]
- renal impairment: not defined
- HD/PD: not defined
hepatic dosing
- [see below]
- hepatic impairment: not defined, caution advised
Peds Dosing .
- Dosage forms: INJ
Special Note
- [dosing clarification]
- Info: 1 unit/kg will incr. factor IX level approx. 0.7% for pts <12 yo and 0.9% for pts 12 yo and older; dose, duration varies by site/severity of bleeding, severity of deficiency, and presence of inhibitors
hemophilia B
- [bleeding episode, minor, <12 yo]
- Dose: individualize dose IV q12-24h for at least 1 day until hemostasis; Info: estimated dose (units) = [wt (kg) x desired factor IX level (%) x 1.4] where desired factor IX level = 20-30%
- [bleeding episode, minor, 12 yo and older]
- Dose: individualize dose IV q12-24h for at least 1 day until hemostasis; Info: estimated dose (units) = [wt (kg) x desired factor IX level (%) x 1.1] where desired factor IX level = 20-30%
- [bleeding episode, moderate, <12 yo]
- Dose: individualize dose IV q12-24h x2-7 days until hemostasis; Info: estimated dose (units) = [wt (kg) x desired factor IX level (%) x 1.4] where desired factor IX level = 25-50%
- [bleeding episode, moderate, 12 yo and older]
- Dose: individualize dose IV q12-24h x2-7 days until hemostasis; Info: estimated dose (units) = [wt (kg) x desired factor IX level (%) x 1.1] where desired factor IX level = 25-50%
- [bleeding episode, major, <12 yo]
- Dose: individualize dose IV q12-24h x7-10 days until hemostasis; Info: estimated dose (units) = [wt (kg) x desired factor IX level (%) x 1.4] where desired factor IX level = 50-100%
- [bleeding episode, major, 12 yo and older]
- Dose: individualize dose IV q12-24h x7-10 days until hemostasis; Info: estimated dose (units) = [wt (kg) x desired factor IX level (%) x 1.1] where desired factor IX level = 50-100%
- [bleeding prophylaxis, minor surgery, <12 yo]
- Dose: individualize dose IV x1 preop, then cont. q24h for at least 1 day until hemostasis; Info: estimated dose (units) = [wt (kg) x desired factor IX level (%) x 1.4] where desired factor IX level = 30-60%
- [bleeding prophylaxis, minor surgery, 12 yo and older]
- Dose: individualize dose IV x1 preop, then cont. q24h for at least 1 day until hemostasis; Info: estimated dose (units) = [wt (kg) x desired factor IX level (%) x 1.1] where desired factor IX level = 30-60%
- [bleeding prophylaxis, major surgery, <12 yo]
- Dose: individualize dose IV x1 preop, then cont. q8-24h x7-10 days until hemostasis; Info: estimated dose (units) = [wt (kg) x desired factor IX level (%) x 1.4] where desired factor IX level = 80-100%
- [bleeding prophylaxis, major surgery, 12 yo and older]
- Dose: individualize dose IV x1 preop, then cont. q8-24h x7-10 days until hemostasis; Info: estimated dose (units) = [wt (kg) x desired factor IX level (%) x 1.1] where desired factor IX level = 80-100%
- [routine bleeding prophylaxis, previously treated pts, <12 yo]
- Dose: 60-80 units/kg/dose IV 2x/wk; Info: may incr. dose depending on age, bleeding pattern, and physical activity
- [routine bleeding prophylaxis, previously treated pts, 12 yo and older]
- Dose: 40-60 units/kg/dose IV 2x/wk; Info: may incr. dose depending on age, bleeding pattern, and physical activity
renal dosing
- [not defined]
- renal impairment: not defined
- HD/PD: not defined
hepatic dosing
- [see below]
- hepatic impairment: not defined, caution advised