Pharmacology General 6c3f2507 Which of the following is used to treat Paroxysmal nocturnal hemoglobinuria ? A Eculizumab B Avelumab C Natalizumab D Sarilumab High-Yield Explanation Eculizumab is monoclonal antibody against C5 complement used in the treatment of paroxysmal nocturnal hemoglobinuria.