Abstract

Atopic dermatitis (AD), also referred to eczema, is a common inflammatory skin disease that usually presents during infancy or childhood but affects patients of all ages. It is a pruritic, chronic/relapsing condition that may significantly impact the patients’ quality of life and can be associated with other atopic comorbidities including asthma and rhinoconjunctivitis. Inflammation in AD is mostly sustained by type 2 inflammation. Most patients are satisfactorily managed with a combination of emollients, avoidance of triggering factors, topical glucocorticoids, and/or topical calcineurin inhibitors. However, a proportion of patients with moderate or severe AD might require phototherapy or systemic immunosuppressants, which are limited in time due to possible safety concerns and progressive efficacy loss. In recent years, the availability of T helper 2 (Th2)-blocking agents dupilumab and tralokinumab has revolutionized the long-term treatment of moderate-to-severe AD. Here are discussed recent advances in the clinical development of biologic treatments for AD. The clinical implementation of these novel drugs has the potential not only to greatly improve the quality of life of patients with this chronic and disabling condition but also to clarify the biological processes underlying AD, in turn enabling further development of more effective, safer treatments. This research paper aims to provide an overview of biological therapies currently in use and under investigation in the setting of AD.

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