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  • Title: Comparison of Efficacy of Baricitinib and Dupilumab in the Treatment of Chinese Moderate-To-Severe Atopic Dermatitis: A Retrospective Study.
    Author: Liu B, Song X, Liao S, Luan T, Zhao Z.
    Journal: Int Arch Allergy Immunol; 2023; 184(10):966-974. PubMed ID: 37245505.
    Abstract:
    INTRODUCTION: The treatment of atopic dermatitis (AD) patients with insufficient response or intolerance to topical medication remains clinical challenges, and there is a paucity of head-to-head trials comparing the efficacy of novel biological agents such as JAK inhibitor and antibody. METHODS: To compare the efficacy of selective JAK1/JAK2 inhibitor baricitinib and interleukin-4 monoclonal antibody dupilumab in the treatment of patients with moderate-to-severe AD, a retrospective cohort study method was adopted. Clinical data from June 2020 to April 2022 were systematically reviewed. Eligible patients who received baricitinib or dupilumab were screened according to the following inclusion criteria: (1) age ≥ 18 years; (2) moderate-to-severe AD: baseline investigator global assessment (IGA) score ≥ 3, baseline eczema area and severity index (EASI) score ≥ 16; (3) poor response or intolerance to at least one topical drug in the past 6 months; (4) no topical glucocorticoids were used in the past 2 weeks and no systematic treatment was given in the past 4 weeks. Patients of the baricitinib group were treated with oral baricitinib in doses of 2 mg per day for 16 weeks, and patients of the dupilumab group were treated with standardized use of dupilumab for 16 weeks, with the initial 600 mg subcutaneous injection and the following 300 mg subcutaneous injection every 2 weeks. The clinical efficacy score indexes including the IGA score, EASI score, and Itch Numeric Rating Scale (NRS) score. These scores at 0, 2, 4, 8, 12, and 16 weeks after the start of treatment were collected. RESULTS: A total of 54/45 patients treated with baricitinib/dupilumab were included. There was no significant difference in the decrease of all scores between the two groups at the 4th week (p > 0.05). There was no difference in the EASI score and Itch NRS score (p > 0.05), but the IGA score of the baricitinib group was lower at the 16th week (Z = 4.284, p < 0.001). Within the first 4 weeks, the Itch NRS score of the baricitinib group decreased rapidly, but with the prolongation of treatment time, there was no significant difference between the two groups at the 16th week (Z = 1.721, p = 0.085). CONCLUSIONS: The efficacy of baricitinib at a dose of 2 mg daily was similar to dupilumab, and the improvement in pruritus was significantly faster in the early stage of treatment (the first 4 weeks) than that of dupilumab.
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