The following clinically significant adverse reactions are discussed in greater detail in other sections of the labeling: Serious Infections Infusion-Related Reactions Risk of Autoimmune Disease Recurrent Hemolysis After ENJAYMO Discontinuation Most common adverse reactions in the CADENZA study (Part A) (incidence ≥18%) are rhinitis, headache, hypertension, acrocyanosis, and Raynaud's phenomenon. The most common adverse reactions in the CARDINAL study (incidence ≥25%) are urinary tract infection, respiratory tract infection, bacterial infection, dizziness, fatigue, peripheral edema, arthralgia, cough, hypertension, and nausea.