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Acquired Hemophilia

Acquired hemophilia is a rare and dangerous blood disorder which occurs in 1 to 1.5 persons per million yearly and has a 22% mortality rate.74,75 Acquired hemophilia is due to the production of autoantibodies in adult life which inactivate Factor VIII or IX.90 The disorder can occur in men and women, and often an underlying medical condition is involved.75

Acquired hemophilia may present with: 74,77

  • Gastrointestinal, urological, or retroperitoneal bleeding
  • Purpura and soft-tissue hemorrhage
  • Prolonged bleeding following surgery
  • Postpartum bleeding
  • Compartment syndrome

Patients with acquired hemophilia typically have the following characteristics:

  • Median age of 78 years80
  • Female or male76
  • No personal or family history of bleeding disorders75

The cause in more than half of the cases of acquired hemophilia is unknown. In the other half, the cause may be associated with a variety of immune modifying disorders.79

Underlying diagnoses of patients with acquired hemophilia A80

Underlying diagnosis of patients with acquired hemophiliaA chart

Laboratory evaluation of acquired hemophilia:

  • Prolonged PTT with normal PT, TT, and platelets78
  • Factor VIII levels decreases78

Get information about Efficacy in acquired hemophilia.

Get information about Dosing and Administration for NovoSeven® RT for acquired hemophilia.

  1. NovoSeven® RT Coagulation Factor VIIa (Recombinant) Room Temperature Stable Indications and Usage

    NovoSeven® RT is indicated for the treatment of bleeding episodes in hemophilia A or B patients with inhibitors to FVIII or FIX and in patients with acquired hemophilia; prevention of bleeding in surgical interventions or invasive procedures in hemophilia A or B patients with inhibitors to FVIII or FIX and in patients with acquired hemophilia; treatment of bleeding episodes in patients with congenital Factor VII deficiency and prevention of bleeding in surgical interventions or invasive procedures in patients with congenital FVII deficiency.

    NovoSeven® RT Important Safety Information

    • Most common adverse events: pyrexia, hemorrhage, injection site reaction, arthralgia, headache, hypertension, hypotension, nausea, vomiting, pain, edema, and rash.
    • Patients with disseminated intravascular coagulation (DIC), advanced atherosclerotic disease, crush injury, septicemia, or concomitant treatment with activated or nonactivated prothrombin complex concentrates (aPCCs/PCCs) may have a potential risk of developing thrombotic events in association with NovoSeven® treatment.
    • Use with caution in patients with known hypersensitivity to NovoSeven®, its components, or mouse, hamster, or bovine proteins.
    • Serious adverse events that may or may not have been related to the use of NovoSeven® in acquired hemophilia (10 of 139 patients in the compassionate use program, HTRS registry, and the published literature) included thrombotic serious adverse events and death.
    • Serious adverse events that may or may not have been related to the use of NovoSeven® occurred in 14 of 298 patients with hemophilia A or B with inhibitors in the initial clinical program.
    • Development of antibodies against FVII has been reported in FVII-deficient patients after treatment with NovoSeven®. These patients had previously been treated with human plasma and/or plasma-derived FVII.
    • Concomitant use of NovoSeven® RT with other formulations of NovoSeven® is not recommended due to potential dosing errors based on different concentrations.
    • The effect of prolonged post-hemostatic dosing of NovoSeven® RT has not been extensively studied in a clinical setting.

    Please see Prescribing Information.