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FDA grants breakthrough therapy designation to Roche’s ACE910

4 September 2015  •  Author: Victoria White

The US Food and Drug Administration (FDA) has granted breakthrough therapy designation to Roche’s ACE910 for the prophylactic treatment of people with haemophilia A with factor VIII inhibitors.

ace910

Haemophilia A, a rare genetic disorder, occurs when an essential blood clotting protein called factor VIII is either not present in sufficient amounts or is defective. People with severe haemophilia A can be susceptible to uncontrolled or difficult to control bleeding including internal bleeding, especially into the joints, which can lead to the need for joint replacements.

Breakthrough therapy designation is designed to accelerate the development and review of medicines that demonstrate early clinical evidence of a substantial improvement over current treatment options for serious diseases.

In a Phase I study, ACE910 showed promising results as a prophylactic treatment administered as a weekly subcutaneous injection in people with severe haemophilia A with and without inhibitors to factor VIII. The development of inhibitors is a serious complication of haemophilia A treatment regardless of disease severity, making it difficult, if not impossible, to achieve a level of factor VIII sufficient to control bleeding with traditional replacement therapies. Management of bleeding in people with haemophilia A who have inhibitors to factor VIII is a major challenge, and there remains a need for additional treatment options for these patients.

Roche planning a trial of ACE910 in paediatric patients for 2016

“People with haemophilia A may require regular and frequent infusions of replacement clotting factor to reduce the risk of dangerous bleeding, and they can develop inhibitors that make replacement ineffective,” said Sandra Horning, M.D., Roche’s Chief Medical Officer and Head of Global Product Development. “We are pleased that the FDA has granted breakthrough therapy designation for ACE910, recognising an unmet need for patients with inhibitors and the promise of these early data. Roche has been developing antibody treatments for people with blood disorders for over 20 years, and we are excited to expedite the development of a potential new treatment for haemophilia A.”

Roche is preparing to initiate a Phase III trial of ACE910 in patients with haemophilia A with factor VIII inhibitors by the end of 2015 and a Phase III trial in patients without inhibitors in 2016. Additionally, a trial in paediatric patients with haemophilia A is planned to commence in 2016.

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