Although circulating eotaxin‐3 was not measured in the AD or EoE studies of this analysis, suppression of eotaxin‐3 messenger RNA was observed in the skin of AD patients and oesophageal biopsies of EoE patients treated with dupilumab in other studies.30, 31, 32. The gene discussed is CCL26; the disease is eosinophilic esophagitis.