[Economic Burden of Hereditary Angioedema from the Perspective of the Public Health System in Mexico].

Objective: This study evaluates the economic burden of hereditary angioedema (HAE) and compares the impact of on-demand treatment versus longterm prophylaxis (LTP) with Lanadelumab, from the perspective of the public health system in Mexico.

Method: A systematic literature review and modified Delphi Panel were conducted to understand the resource use of public sector institutions in the diagnosis and treatment of HAE. Costs were obtained from institutional sources such as the IMSS contracting portal and the Diagnosis Related Groups (DRG-2017). The economic burden considered direct medical costs. The results express the annual cost per patient with and without long-term prophylaxis.

Results: With a correct diagnosis, the cost is $5,154.78 MXN (250.20 USD). Without long-term prophylaxis, the annual cost per patient is $3,446,790.56 MXN (167,229.63 USD), with 70% peripheral attacks, 28% abdominal attacks, and 1% laryngeal attacks. Medical expenses are divided into 38% treatment, 36% complications, and 20% hospitalizations. With LTP, the annual cost is $2,641,682.18 MXN (128,221.44 USD), with 8% for attack treatment and 92% for prophylaxis. Prophylactic treatment reduces the economic burden of HAE attacks by 94.2% compared to on-demand treatment and decreases the economic burden by 23% from an institutional perspective.

Conclusions: HAE represents a high economic burden, affecting hospitalizations and productivity. LTP with Lanadelumab reduces the burden on the Mexican healthcare system.