• Douglas T Johnston.
• Carolina Asthma & Allergy Center, 2600 East 7th Street, Charlotte, NC 28204. Email: DJohnston@CarolinaAsthma.com.
• Am J Manag Care. 2021 Oct 1; 27 (17 Suppl): S311-S318.

AbstractEosinophilic esophagitis (EoE) is a chronic inflammatory disease driven by a type 2 immune response and characterized by the accumulation of immune cells (eosinophils, basophils, and mast cells) in the esophagus. Patients may present with EoE at any age, and its prevalence is similar across age groups in the United States. If EoE is suspected, an endoscopy with biopsy is required to confirm the diagnosis; endoscopy allows clinicians to evaluate for the presence of rings, furrows, exudates, edemas, and/or strictures and biopsy helps to identify the associated histological changes, including eosinophilic infiltration of the esophageal mucosa. Symptoms of EoE vary by age and include dysphagia, impaction, regurgitation, chest and/or abdominal pain, and vomiting. Allergic comorbidities (eg, allergic rhinitis, asthma, or atopic dermatitis) are common among patients with EoE, which suggests that there may be a shared pathophysiology underlying these conditions. The symptoms of EoE vary widely from patient to patient, and delays in diagnosis are common. Disease progression may lead to lasting damage, including scarring and fibrosis of the esophagus, underscoring the need for early diagnosis and treatment to reduce the clinical, economic, and humanistic burden associated with EoE. Current standard of care treatment options include diet therapy, esophageal dilation, proton pump inhibitors, and topical swallowed corticosteroids; however, these treatments may not provide optimal disease management over the long term. The symptoms of EoE, its complications, and disease management considerations (eg, dietary limitations) are associated with diminished quality of life. There remains an unmet need for long-term management options. It is important for stakeholders to understand the current treatment landscape and unmet needs when considering the assessment of future therapies.

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