Clinical Research Directory

Inclusion Criteria: * Written informed consent * Male or female patient * Age \>18 years * Previous diagnosis of EoE, confirmed by histopathology, with the presence of \>15 eosinophilic granulocytes per high power field (hpf) in esophageal biopsies * Current maintenance treatment for EoE with a PPI or swallowed topical corticosteroids or about to start with these maintenance medications as decided during regular clinical practice Exclusion Criteria: * Severe and clinically unstable concomitant disease that may interfere with the subject's ability to participate in the study * Receive investigational treatment during the study * Dilation of esophagus required * Insufficient Dutch or English language skills to understand patient information leaflets