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The most serious adverse reactions are systemic hypersensitivity reactions and the development of high-titer inhibitors necessitating alternative treatments to AHF. Continue Reading Below »

Real safety is multidimensional

Important safety information

  • The most serious adverse reactions are systemic hypersensitivity reactions and the development of hightiter inhibitors necessitating alternative treatments to AHF. The most common adverse reactions observed in clinical trials were:
    • Inhibitor formation in previously untreated or minimally treated patients
    • Skin-associated hypersensitivity reactions
    • Infusion site reactions
    • Central venous access device (CVAD) line-associated infections

Low Inhibitor Rates in clinical studies

  • In clinical studies, 0% (0 of 72 patients) inhibitor formation observed in previously treated patients (PTPs)1*
  • 15% (9 of 60 patients) inhibitor formation observed in previously untreated patients (PUPs) and minimally treated patients (MTPs)1†
  • In the pediatric prophylaxis clinical trials, de novo inhibitor development was observed in 8 of 64 patients with negative baseline values (12.5%);
    Two patients developed high-titer inhibitors and were withdrawn from the study.3

0%

(0 of 72 patients)


inhibitor formation observed in PTPs1*

15%

(9 of 60 patients)

inhibitor formation observed in PUPs
and MTPs1†


12.5%

(8 of 64 patients)


developed de novo inhibitors in the
Joint Outcomes Study3‡


*No FVIII inhibitors developed in 72 who received Kogenate® FS, antihemophilic factor (recombinant), for up to 54 exposure months.

†In trials with PUPs and MTPs, 88% of patients (53 of 60) achieved 20 or more exposure days, and the incidence of inhibitor formation is consistent with that observed in other pediatric studies using FVIII products.2

‡ 2 patients developed high tier (>5 BU) inhibitors and were withdrawn from the study.3

 

References

  1. Kogenate FS with Bio-Set [package insert]. Tarrytown, NY: Bayer HealthCare LLC; 2009.
  2. Kreuz W, Gill JC, Rothschild C, et al. Full-length sucrose-formulated recombinant factor VIII for treatment of previously untreated or minimally treated young children with severe haemophilia A. Thromb Haemost. 2005;93(3):457-467.
  3. Manco-Johnson MJ, Abshire TC, Shapiro AD, et al. Prophylaxis versus episodic treatment to prevent joint disease in boys with severe hemophilia. N Engl J Med. 2007;357(6):535-544.