RecruitingPhase 3Combination productA Clinical Study to Evaluate the Effects of NXT007 Compared to Factor VIII Prophylaxis in Participants With Hemophilia AThe purpose of this study is to evaluate the efficacy, safety, pharmacokinetics and pharmacodynamics of NXT007 prophylaxis compared with Factor VIII (FVIII) prophylaxis in participants with severe or moderate congenital hemophilia A without FVIII inhibitors. The study will include people aged ≥12 years old who have been on FVIII prophylaxis treatment prior to study entry.