Use of an Orally Administered Antibody to Gluten to Prevent the Recurrence of Symptoms and Laboratory Parameters in Persons With Celiac Disease (Gluten Sensitive Enteropathy)

Detailed Summary

Celiac disease (CD) is an autoimmune disease of the small intestine caused by the consumption of gluten proteins from widely used food sources such as wheat, rye, and barley. Exposure of the small intestine to gluten causes an inflammatory response, leading to the destruction of intestine lining, often with severe symptoms including diarrhea, abdominal distention, fatigue, weight loss, anemia, and neurological symptoms. CD is a lifelong disease and the only treatment currently available is strict adherence to a life-time gluten free diet (GFD). However, adhering to this diet is difficult as gluten proteins are found in many food products. Therefore, the gluten-free diet has both lifestyle and financial implications for the individual and thus has been potential for impacting adversely on their quality of life. Various approaches are being studied to reduce the need for careful control of the diet for those with CD, including the use of antibodies such as IgY. IgY is produced from the egg yolks of super immunized laying hens. Egg yolk antibodies are natural products with minimal toxicity, for those without egg allergy, and offer low-cost, hygienic production of study product. Once the IgY antibody is put into capsule form, it is called AGY. Individuals with CD will be recruited only if they have a history of biopsy proven CD, currently follow a GFD but continue to have mild to moderate symptoms related to gluten exposure, and do not have an egg allergy. Blood will be tested for ATG antibody levels at screening. Those enrolled will have a 2 week run-in period where diet and symptoms are recorded, and will then receive AGY capsules to take with meals over a 4 week period. Outcomes will be measured by examining lab test results including antibody levels, symptoms, and quality of life.

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