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Τρίτη 20 Φεβρουαρίου 2018

Dupilumab: A review of its use in the treatment of atopic dermatitis

Publication date: March 2018
Source:Journal of the American Academy of Dermatology, Volume 78, Issue 3, Supplement 1
Author(s): Melinda J. Gooderham, H. Chih-ho Hong, Panteha Eshtiaghi, Kim A. Papp
Atopic dermatitis (AD) is a chronic, pruritic immune-mediated inflammatory dermatosis characterized by a T helper 2 (Th2) immune response phenotype and may be associated with systemic inflammation. Dupilumab is an interleukin 4 (IL-4) receptor α-antagonist that inhibits IL-4 and IL-13 signaling through blockade of the shared IL-4α subunit. Blockade of IL-4/13 is effective in reducing Th2 response. Dupilumab has recently been approved in the United States and Europe for the treatment of adult patients with moderate-to-severe AD. Clinical trials have shown that adults with moderate-to-severe AD who receive weekly or biweekly dupilumab injections have significantly improved clinical and patient-reported outcomes, including Eczema Area Severity Index, SCORing Atopic Dermatitis, Dermatology Life Quality Index, and itch Numeric Rating Scale scores. Concomitant use of topical corticosteroids along with dupilumab results in a greater improvement in signs and symptoms of AD than with use of dupilumab alone. Biomarker analyses show that dupilumab modulates the AD molecular signature and other Th2-associated biomarkers. Common adverse events reported in the clinical trials were nasopharyngitis, upper respiratory tract infection, injection site reactions, skin infections, and conjunctivitis. These were mild-to-moderate in nature, and overall rates of adverse events occurred with similar frequency between the treatment and placebo groups. There were no significant serious safety concerns identified in phase III clinical trials. Dupilumab, as monotherapy or with concomitant use of topical corticosteroids, can significantly improve clinical outcomes and quality of life in patients suffering from moderate-to-severe AD. Ongoing studies of dupilumab will help determine the clinical efficacy and safety profile of its long-term use.



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