Abstract
Patients with atopic dermatitis (AD) suffer from chronic inflammatory dermatitis and antihistamine-resistant itch. The management of intractable pruritus in AD is important, requiring the development of new therapeutic approaches. At present, the standard treatments for AD include topical anti-inflammatory drugs such as calcineurin inhibitors and corticosteroids. Topical emollient treatment is recommended to moisten the skin and to restore and maintain barrier function. Phototherapy is also effective in reducing the number of epidermal nerve fibers, normalizing imbalances in the levels of expression of axon guidance molecules, and inhibiting pruritus. Systemic treatments such as cyclosporine A and aprepitant are used to treat severe and intractable pruritus in AD. Clinical trials of dupilumab and CIM331 have displayed a significant reduction of pruritus in patients with AD. New antipruritic approaches are targeted to the central nervous system such as spinal interneurons and glial cells. This chapter describes therapeutic approaches for attenuating intractable itch in AD.
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