期刊
JOURNAL OF DERMATOLOGICAL TREATMENT
卷 34, 期 1, 页码 -出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/09546634.2023.2235041
关键词
Atopic dermatitis; atopic eczema; dose spacing; dupilumab; predictive factors
类别
This study aimed to identify predictive factors for dose spacing or treatment withdrawal in patients receiving dupilumab for atopic dermatitis. The presence of non-cutaneous atopic manifestations, prurigo nodularis phenotype, and younger age at treatment initiation were confirmed as strong predictors. These findings contribute to defining the patient profile that can maintain therapeutic response after dose spacing or treatment withdrawal.
Background Dupilumab is a monoclonal antibody against the IL-4/IL-13 receptor-subunit approved for the treatment of moderate-severe atopic dermatitis (AD). Some attempts to increase dose interval have been described in both trial and real-world settings. Objective This study aimed to identify predictive clinical and demographic factors affecting patient selection for dose spacing or treatment withdrawal due to satisfactory response. Materials and methods This retrospective study included adult patients with moderate-to-severe AD treated with dupilumab for at least 16 weeks. Descriptive statistics were performed to analyze demographic and clinical variables. Logistic regression models were used to identify predictor variables. Results A total of 818 adult patients with moderate-to-severe AD was included in the study and 12% (97/818) of them performed dose spacing to 3-4 weeks or treatment withdrawal (8%, 67/818). The presence of non-cutaneous atopic manifestations (OR = 1.59, 95%CI = 1.06-2.38, p = 0.024), prurigo nodularis phenotype (OR = 4.5, 95%CI = 1.87-10.9, p = 0.001) and the age at treatment initiation (OR = 1.82, 95%CI = 1.12-2.94, p = 0.015) were confirmed as the strongest predictors of dose spacing or treatment withdrawal while maintaining dupilumab effectiveness. Conclusion Our findings contribute to define the patient profile that could maintain the therapeutic response after dose spacing or treatment withdrawal. Key message Predicting factors identified patients with dupilumab who could benefit of dose spacing or treatment withdrawal.
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