Abstract
Atopic dermatitis (AD) is a chronic inflammatory skin disease characterized by persistent itching. Conventional treatments for AD include topical corticosteroids and calcineurin inhibitors, but there are emerging therapies targeting the JAK-TYK2 pathway that are promising for the treatment of AD. This review comprehensively explores the pathogenesis, triggers, clinical manifestations, and conventional treatment options for AD. In addition, we discuss novel therapeutic agents targeting alternative signaling pathways, with a focus on clinical trials evaluating tyrosine kinase 2 (TYK2) inhibitors, including systemic and topical agents. We also provide a detailed assessment of ICP-332 efficacy, safety, and potential adverse effects in moderate-to-severe AD. Janus kinase inhibitors that have been recently approved have shown promise for the treatment of AD, especially for patients with severe phenotypes. Preliminary findings from randomized controlled trials suggest that TYK2 inhibitors exhibit rapid efficacy and acceptable safety in the management of AD; however, additional investigations, including long-term trials, are warranted to fully understand their efficacy and safety profile.
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