Coagulation Factor IX, recombinant human (Ixinity)
OFFICE-ADMINISTRATION
FDA Approved Indications:
- Indicated in adults and children at least 12 years of age with hemophilia B for:
- Control and prevention of bleeding episodes
- Perioperative management
Prior authorization criteria:
- Patient has hemophilia B, AND
- Is at least 12 years of age or older, AND
- Patient does not have a known hypersensitivity to hamster protein
Dosing:
- One international unit (IU) of Ixinity per kg body weight increased the circulating activity of factor IX by 0.98 IU/dL
- Initial: Required factor IX units (IU) = body wieght (kg) x desired factor IX increase (% of normal of IU/dL) x reciprocal of observed recovery (IU/kg per IU/dL)
- Maintenance dose: Depends upon the type of bleed or surgery, clinical response, and the severity of the underlying factor IX deficiency
Approval:
- 1 year