A study to look at how safe emicizumab treatment is and how well it works to prevent bleeds in children with haemophilia A (without factor 8 inhibitors) who started emicizumab in their first year of life

A Study to Evaluate the Efficacy, Safety, Pharmacokinetics, and Pharmacodynamics of Subcutaneous Emicizumab in Participants From Birth to 12 Months of Age With Hemophilia A Without Inhibitors