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BackgroundThe molecular basis and effects of proton pump inhibitor (PPI) therapy on PPI‐responsive oesophageal eosinophilia (PPI‐REE) and eosinophilic oesophagitis (EoE) remain unknown.
AimTo compare symptom‐histological and cytokine gene expression in PPI‐REE and EoE patients, at baseline and after specific treatment.
MethodsIn consecutive adult patients with an EoE phenotype (dysphagia/food impaction,...