This is a prospective, observational, multi-center longitudinal cohort study to describe the real-world effectiveness, safety and treatment usage of efanesoctocog alfa in patients with hemophilia A treated per standard of care in the US and Japan. Patients will be enrolled in the study after the introduction of efanesoctocog alfa in …
This is a Phase 4, multi-center, observational study conducted in patients aged 12 to 50 years with moderate or severe hemophilia A who are newly starting prophylaxis with efa in the US and Japan. This study aims to enroll 35 patients.
