RecruitingPhase 3Drug trialSAFE Study: Safety of aPCC Following Emicizumab ProphylaxisThe purpose of the aPCC-emicizumab safety study is to investigate the hemostatic efficacy as measured by thrombin generation, of a low personalized dose of aPCC (FEIBA) in children and adults with hemophilia A and inhibitors on emicizumab prophylaxis.