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Baxalta Gains Health Canada Approval for OBIZUR to Treat Patients with Acquired Hemophilia A


Baxalta Incorporated (BXLT), a global biopharmaceutical leader dedicated to delivering transformative therapies to patients with orphan diseases and underserved conditions, today announced that Health Canada has approved OBIZUR [Antihemophilic Factor (Recombinant), Porcine Sequence] for the treatment of bleeding episodes in patients with acquired hemophilia A caused by autoantibodies to coagulation Factor VIII (FVIII), a very rare and life-threatening acute bleeding disorder. OBIZUR is the first recombinant porcine sequence FVIII treatment available for patients with acquired hemophilia A, specifically designed to enable physicians to monitor treatment response by measuring FVIII activity levels in addition to clinical assessments.

“The approval of OBIZUR in Canada provides physicians with an important new and effective treatment for acquired hemophilia A," said Dr. Jean St-Louis, hematologist at Hôpital Maisonneuve-Rosemont and associate professor at Université de Montréal. "This is a very challenging condition to treat and as an investigator in the clinical study, I had the opportunity to see the positive impact that OBIZUR can have for patients and their treating team.”

The approval is supported by the positive results of a global, prospective, controlled, multi-center Phase II/III open-label clinical trial that examined the efficacy of OBIZUR in the treatment of serious bleeding episodes in patients with acquired hemophilia A. All patients treated with OBIZUR, 100 percent (28/28), showed a positive response and clinical improvement at 24 hours after the initial infusion. Successful control (resolution) of the initial bleeding episode was observed in 86 percent (24/28) of all patients and in 94 percent (16/17) of those treated with OBIZUR as the first-line treatment. The development of antibodies to porcine FVIII was the only adverse reaction reported in more than five percent of patients.1

“As the first recombinant porcine option for acquired hemophilia in Canada, OBIZUR offers a significant advancement for physicians treating this challenging disease by allowing them to monitor levels of FVIII activity and adjust based on their patient’s response to the treatment,” said Brian Goff, executive vice president and president, Hematology, Baxalta. “We look forward to introducing this treatment for the hemophilia community in Canada and continuing our efforts to reduce the burden of bleeding disorders as we pursue a world without...