Overview: Real-World Insights into HAE with Normal C1 Inhibitor Hereditary angioedema (HAE) with normal C1 inhibitor (C1INH) remains a clinically challenging condition. Real-world data from a national HAE network highlight that many patients are hormone-sensitive, particularly in the HAE-FXII subtype. The pattern observed: cessation of hormonal contraception often leads to a marked drop in attack…