Journal of dermatological science · 2024
Serum inflammatory biomarkers associated with disease severity and response to dupilumab treatment in bullous pemphigoid: A cluster analysis.
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Li Jiaqi, Chen Xixue, Zhu Xuejun, Shang Panpan, Wang Mingyue
Аннотация
BACKGROUND: Dupilumab, a novel therapy targeting the T helper (Th) 2-mediated inflammation, is showing clinical benefits in treating bullous pemphigoid (BP). However, limited research investigated the serum biomarkers that reflect the inflammation alterations throughout the disease course.
OBJECTIVES: To explore the changes of the serum inflammatory biomarkers under dupilumab therapy in BP and establish their correlations with disease severity and clinical outcomes.
METHODS: This exploratory study evaluated serum samples from 40 patients with BP at baseline, 30 of these patients following 16-week dupilumab therapy, and 20 senior healthy controls. Serum levels of 29 cytokines and chemokines were quantified using the Magnetic Luminex Assay.
RESULTS: Two distinct clusters based on serum inflammatory profiles were identified. The first cluster, characterized by elevated levels of inflammatory activation, exhibited worse disease severity and poorer remission outcomes. Following the 16-week dupilumab therapy regimen, a significant suppression of Th2-mediated inflammation in the serum was observed, alongside a relative upregulation of Th1 responses. Patients treated with adjuvant systemic steroids exhibited an enhanced suppression of B cell activating factor compared to those receiving dupilumab alone. Significant correlations were unveiled between Th2 biomarkers and clinical scores, eosinophil counts, and anti-BP180 immunoglobulin G levels. Baseline levels of CCL18, Periostin, interleukin (IL)-6, and IL-16 constitute an optimal combination to distinguish between inflammatory clusters.
CONCLUSIONS: Cluster analysis of serum inflammatory biomarkers provided novel insights into the heterogeneity of the inflammation profiles in BP. Baseline levels of CCL18, Periostin, IL-6, IL-16 emerged as effective predictors for disease severity and therapy response to dupilumab.
OBJECTIVES: To explore the changes of the serum inflammatory biomarkers under dupilumab therapy in BP and establish their correlations with disease severity and clinical outcomes.
METHODS: This exploratory study evaluated serum samples from 40 patients with BP at baseline, 30 of these patients following 16-week dupilumab therapy, and 20 senior healthy controls. Serum levels of 29 cytokines and chemokines were quantified using the Magnetic Luminex Assay.
RESULTS: Two distinct clusters based on serum inflammatory profiles were identified. The first cluster, characterized by elevated levels of inflammatory activation, exhibited worse disease severity and poorer remission outcomes. Following the 16-week dupilumab therapy regimen, a significant suppression of Th2-mediated inflammation in the serum was observed, alongside a relative upregulation of Th1 responses. Patients treated with adjuvant systemic steroids exhibited an enhanced suppression of B cell activating factor compared to those receiving dupilumab alone. Significant correlations were unveiled between Th2 biomarkers and clinical scores, eosinophil counts, and anti-BP180 immunoglobulin G levels. Baseline levels of CCL18, Periostin, interleukin (IL)-6, and IL-16 constitute an optimal combination to distinguish between inflammatory clusters.
CONCLUSIONS: Cluster analysis of serum inflammatory biomarkers provided novel insights into the heterogeneity of the inflammation profiles in BP. Baseline levels of CCL18, Periostin, IL-6, IL-16 emerged as effective predictors for disease severity and therapy response to dupilumab.