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Bayer begins patient enrollment in phase III trial to evaluate BAY94-9027 for haemophilia treatment
Berlin | Tuesday, July 10, 2012, 16:00 Hrs  [IST]

Bayer HealthCare,  a global enterprise with core competencies in the fields of health care, nutrition and high-tech materials, has initiated enrolling patients in an international phase III trial to evaluate its investigational compound BAY94-9027 for the treatment of haemophilia A.

The PROTECT VIII (PROphylaxis in haemophilia A patienTs via directly pEgylated long-aCTing rFVIII) trial is designed to investigate whether BAY94-9027, a recombinant human factor VIII (rFVIII), can prolong the duration of protection from bleeds and with less frequent Infusions when used prophylactically, while also having the ability to treat acute bleeding events.

BAY94-9027 has been engineered to extend the circulating half-life of rFVIII while preserving full biologic activity by inserting a single cysteine (amino acid) site to its surface, which serves as an attachment site for a polyethylene glycol (PEG) polymer.

“Bayer has more than 20 years of research and clinical experience in hemophilia, and continues to invest in innovative ways to advance patient care, such as the development of BAY94-9027,” said Kemal Malik, MD, Member of the Bayer HealthCare Executive Committee and Head of Global Development. “A longer-acting rFVIII product may result in significant benefit in long-term outcomes and quality of life improvements for people with haemophilia A.”

PROTECT VIII is a multi-centre, multinational, partially randomized, open-label trial evaluating the safety and efficacy of BAY94-9027 with different dosing frequencies in both prophylactic and on-demand treatment of bleeding in adults and adolescents with severe haemophilia A. The study will enroll 120 to 140 previously treated subjects (PTP) worldwide.

Haemophilia A, also known as factor VIII deficiency or classical hemophilia, is largely an inherited bleeding disorder in which one of the proteins needed to form blood clots in the body is missing or reduced. Haemophilia A, the most common type of hemophilia, is caused by deficient or defective blood coagulation proteins, known as factor VIII. Haemophilia A is characterized by prolonged or spontaneous bleeding, especially into the muscles, joints, or internal organs.

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