Survey on Hereditary Angioedema (HAE)

According to a recent survey, hereditary angioedema is a rare genetic disorder that affects approximately 1 in 50,000 people worldwide. It is characterized by recurrent episodes of swelling in the skin and mucous membranes, which can be painful and potentially life-threatening if they occur in the airways or digestive tract. The condition results from a deficiency or dysfunction of C1 inhibitor protein, which regulates immune system activity and prevents excess fluid from leaking out of blood vessels into surrounding tissues. Symptoms may first appear during childhood or adolescence and often worsen over time without proper treatment. There are currently several medications available to prevent attacks or treat acute symptoms, including plasma-derived C1 inhibitor replacement therapy, bradykinin receptor antagonists, and kallikrein inhibitors. However, many patients still struggle to obtain prompt diagnosis and access to these treatments due to limited awareness among healthcare providers and high costs associated with their use. Ongoing research efforts are focused on improving diagnostic accuracy, developing new therapies with longer duration of action or better tolerability profiles than existing options, and exploring potential links between hereditary angioedema and other inflammatory conditions such as autoimmune disease or cancer.

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