The purpose of this study is to evaluate the efficacy, safety, pharmacokinetics, and pharmacodynamics of NXT007 prophylaxis compared with emicizumab prophylaxis in people age 12 years and older with severe or moderate congenital hemophilia A without factor VIII (FVIII) inhibitors or with hemophilia A of any severity (severe, moderate, and mild) with FVIII inhibitors.
Diagnosis of severe (FVIII:C <1 International Unit per decilitre [IU/dL]) or moderate (FVIII:C between ≥1 IU/dL and ≤5 IU/dL) congenital hemophilia A with or without inhibitors against FVIII
Diagnosis of mild (FVIII:C between >5 IU/dL and <40 IU/dL) congenital hemophilia A with chronic FVIII inhibitors, defined as documented FVIII inhibitor ( ≥0.6 BU/mL or ≥1.0 BU/mL only for laboratories with a historical sensitivity cutoff for inhibitor detection of 1.0 BU/mL) and chronic reduction of endogenous baseline FVIII:C to <5 IU/dL for ≥12 months
Documented historical FVIII inhibitor assay results within the 12 months prior to enrollment
Documentation of the details of prophylactic and episodic FVIII treatment, bypassing agent (BPA) treatment, emicizumab prophylaxis treatment, and the number and type of bleeding episodes for at least the last 6 months prior to screening
Sensitivity to any of the study investigations, or components thereof, or drug or other allergy that, in the opinion of the investigator, contraindicates participation in the study
Use of systemic immunomodulators (e.g., interferon or rituximab) at the time of enrollment or planned use during the study, except for antiretroviral therapy to treat HIV
Refusal to accept plasma-derived and/or blood product transfusion support in an emergency scenario
Planned surgery (excluding minor procedures, such as non-molar tooth extraction or incision and drainage) during the study
Hoffmann-La Roche
Lead sponsor
Chugai Pharmaceutical
Collaborator