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Defining the Role of Food Allergy in a Population of Adult Patients with Eosinophilic Esophagitis

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The aim of this study was to establish the clinical types of food reactions and the food sensitization profile in an adult cohort of patients with Eosinophilic esophagitis (EoE). We have prospectively analyzed the food allergen sensitization profile using skin prick test (SPT) and atopy patch test (APT) to 22 plant and animal-derived foods in 19 adult patients with biopsy-proven EoE. For each patient the following data was collected: age, sex, atopic disease status, and clinical characteristics of the EoE. A total of 123 food sensitizations were detected by SPT and 45 food sensitizations by patch testing in 18 patients (94.8%). Thirty-five double- positive (SPT+, APT+) responses against the same food were detected in 15 patients (78.9%). We have also identified 11 clinical episodes clearly suggestive of oral allergy syndrome, urticaria and/or anaphylaxis after intake of some specific foods. All cases showed positive SPT to the offending food (Type 1 food reactors). 68 clinically apparent episodes of EoE related with specific foods were detected in our patients. In 40 instances (58.8%) the foods involved in developing EoE symptoms showed a positive SPT and/or APT results (Type 2). 155 food sensitizations were identified in 18 patients (94.7%) using SPT and/or APT neither related with clinically apparent episodes of EoE nor with clinical episodes suggestive of oral allergy syndrome, urticaria and/or anaphylaxis after food intake (Type 3). In conclusion, the patients with EoE can be allocated into 3 different groups of food reactors, with well-defined clinical and biological characteristics.

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Keywords: Dermatophagoides pteronyssinus; Eosinophilic esophagitis; Eosinophilic esophagitis (EoE); Glicyphagus domesticus; allergy syndrome; anaphylaxis; atopy patch test; atopy patch test (APT); bronchial asthma; dysphagia; erythema; esophageal mucosa; food allergy; gastroeso-phagel reflux disease; pyrosis; regurgitation; rhinitis; skin prick test (SPT); urticaria

Document Type: Research Article

Publication date: September 1, 2010

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  • Inflammation & Allergy - Drug Targets aims to cover all the latest and outstanding developments on the medicinal chemistry, pharmacology, molecular biology, genomics and biochemistry of contemporary molecular targets involved in inflammation and allergy e.g. disease specific proteins, receptors, enzymes, genes. Each issue of the journal contains a series of timely in-depth reviews written by leaders in the field covering a range of current topics on drug targets involved in inflammation and allergy. As the discovery, identification, characterization and validation of novel human drug targets for anti-inflammation and allergy drug discovery continues to grow, this journal has become essential reading for all pharmaceutical scientists involved in drug discovery and development.
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