Dupilumab is a monoclonal antibody targeting the interleukin-4 (IL-4) and interleukin-13 (IL-13) receptor complex and is used for the treatment of atopic dermatitis (AD), severe asthma, chronic rhinosinusitis with nasal polyps, and prurigo nodularis (PN). The gene discussed is IL13; the disease is Alzheimer disease.