This is a prospective observational study conducted to (1) characterize the patients who receive DUPIXENT® for AD in a real world setting with respect to their medical history, socio-demographic and disease characteristics, and prior and concomitant treatments of AD; (2) characterize real world use patterns of DUPIXENT® for AD (eg, most commonly used regimens by line of therapy, reason for initiation of new treatments, concomitant therapies, treatment durations and reasons for discontinuation and/or switching); (3) assess the long-term effectiveness of DUPIXENT® in AD patients in a real world setting; (4) assess comorbid atopic conditions, patterns of use and effects of treatment in comorbid atopic conditions in patients who receive DUPIXENT® for AD; and (5) collect safety data on study participants
