Steven Pipe, MD, Professor of Pediatrics and Pathology, and Pediatric Medical Director of the Hemophilia and Coagulation Disorders Program at the University of Michigan, discusses the recent announcement of efanesoctocogg alfa being given breakthrough and priority review status by the U.S. Food and Drug Administration (FDA). Efanesoctocog alfa is a recombinant factor VIII therapy in development to treat people with hemophilia A.Hemophilia A is a rare bleeding disorder due to a lack of factor VIII. Hemophilia A occurs mostly in males. People with hemophilia A can experience bleeding episodes that can cause pain, irreversible joint damage and life-threatening hemorrhages. Factor replacement therapy remains a cornerstone of care and can be used across multiple treatment scenarios.