EoE Food Desensitization
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- STATUS
- Recruiting
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- End date
- May 5, 2023
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- participants needed
- 5
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- sponsor
- The University of Texas Health Science Center, Houston
Summary
This is a single-center, prospective, pilot clinical trial in which children ages 3-17 years with eosinophilic esophagitis (EoE) who have a known food that triggers EoE flares receive oral desensitization with that specific food antigen, followed by reintroduction of that food into the diet. The purpose of this study is to investigate the safety and feasibility of oral desensitization in children with EoE so that, if determined to be safe, can be repeated on a larger scale to determine efficacy.
Description
Eosinophilic esophagitis (EoE) is a clinicopathologic disorder of the esophagus triggered by food and/or environmental allergens and is characterized by symptoms of esophageal dysfunction and eosinophilia of the esophagus. Current therapy is centered on controlling inflammation with steroids and/or food antigen avoidance. Such treatment options have significant side effects and reduce quality of life, especially in children. The purpose of the study is to discover a way for flare-provoking foods to be reintroduced into the child's diet without the need for medical therapy.
The study would involve children ages 3-17 years with biopsy-proven EoE who have a known flare-inducing food trigger. Following baseline blood work and esophagogastroduodenoscopy (EGD), the investigators will initiate oral desensitization treatment in which the child swallows a spray solution containing his or her specific food allergen extract in increasing concentrations twice daily for 4 months. The next phase of the study would involve reintroduction of the actual food for 4 weeks followed by repeat blood work and EGD. Success would be defined by having a peak eosinophil count <15 per high power field on the final esophageal biopsy.
Oral food desensitization has been well-studied in patients with food allergies but never in patients with pre-existing EoE. In those studies, the adverse events included mild reactions, such as watery eyes, rhinitis, sneezing, throat pruritus, transient erythema and abdominal pain. These reactions usually did not require stopping desensitization and were well controlled by antihistamines and steroids. Benefits include children having a less restricted diet and eliminating the need for steroid therapy. This study should yield valuable information regarding the management of EoE, thereby improving the current understanding of its pathogenesis.
Details
| Condition | Eosinophilic esophagitis |
|---|---|
| Treatment | Oral food desensitization |
| Clinical Study Identifier | NCT02881372 |
| Sponsor | The University of Texas Health Science Center, Houston |
| Last Modified on | 5 July 2021 |
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