Italian EoExpert panel recommendation for disease control, switching criteria, and follow-up in eosinophilic esophagitis from pediatric to adult age.

Background: Eosinophilic esophagitis (EoE) is a chronic, progressive type 2 inflammatory disorder of the esophagus, characterized by abnormal eosinophil accumulation in esophageal epithelium. Undiagnosed or undertreated EoE leads to increased risk of fibrostenosis, strictures, and food impaction due to persistent inflammation, deeply impacting patients' health-related quality of life (HRQoL).

Objectives: To gather insights on comprehensive assessment of EoE, comprising clinical, endoscopic, histological outcomes, adaptive behaviors and HRQoL; to define proper evaluation of disease control and impact of continuous versus noncontinuous treatment to reach full disease control. Finally, to validate an algorithm for disease control, switching criteria, and follow-up.

Design: Literature review, survey, and panel expert opinion building by a multidisciplinary Italian EoExpert Panel (EoExpert) of nine specialists from various Italian institutions.

Methods: Non-systematic literature review, followed by a survey including 21 questions on the different topics. Results were then discussed and validated by EoExpert.

Results: The current diagnostic pathway often does not allow early detection of EoE patients, especially in the presence of adaptive behaviors and unawareness of EoE best practices. In addition, there is a lack of a shared "control" definition. EoExpert reviewed, shared, and recommended two novel management tools for EoE, represented by I.M.P.A.C.T. Questionnaire to uncover adaptive behaviors and S.C.O.P.E. (Symptoms Control, Observation, Pathological Evaluation) scheme for comprehensive treatment efficacy evaluation. EoExpert's recommendations were gathered and turned into a therapeutic management algorithm for the definition of disease control and switching criteria.

Conclusion: This document provides a standardized approach to EoE management in pediatric and adult settings, highlighting the importance of timely diagnosis in a multidisciplinary setting, of using unified criteria for assessment of disease control through the adoption of a comprehensive approach and of following up patients. These recommendations highlight the critical role of increased awareness and standardized care in EoE clinical setting for lifelong management.