Tolerability of Goat Milk Protein in Eosinophilic Esophagitis Patients With Cow Milk Protein Trigger

Eosinophilic esophagitis (EoE) is a chronic immune mediated disease characterized by eosinophilic infiltration in esophageal epithelium and resulting in esophageal dysfunction. While the exact pathogenesis is yet to be elucidated, EoE is considered an atopic disease. This classification is in part due to the inflammatory infiltrate of eosinophils, basophils and T-cells producing Th2 cytokines, yet it may also be triggered by environmental allergens. In addition, the rates of atopy are approximately 3 times higher in patients with EoE than in the general population. Furthermore, and most convincing, EoE is successfully managed with dietary exclusion of triggering groups in both pediatric and adult patients, further confirming the atopic nature of the disease. The most frequent dietary trigger for EoE is milk, but there is limited data on the cross-reactivity of milk from other species. Guidelines addressing the diagnosis and treatment of EoE in both children and adults have not addressed the use of non-bovine milk in patients with cow's milk triggered EoE. Restrictive diets are often challenging for patients and contribute to a reduced quality of life. Our own, anecdotal experience in two patients with milk triggered EoE who requested to introduce goat's milk into the patients' diet were that reintroduction did not trigger a clinical or histological flare of EoE. These cases of successful introduction of non-bovine milk introduces the possibility that a milk-free diet need …

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Oren Ledder, Dr.  ·  +972-2-6666743  ·  orenl@szmc.org.il

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