A Randomized, Double-Blind, Placebo Controlled, Crossover Trial to Evaluate Safety and Efficacy of AGY in Celiac Disease

To assess the efficacy and safety of AGY vs placebo when administered to individuals age 10 to 65 years with medically proven CD and on a gluten free diet

We propose to conduct a randomized double-blind, placebo-controlled crossover trial in 149 individuals with celiac disease proven by biopsy (or other medically documented confirmation of CD, e.g. TTG counts \> 10 times the upper limit of normal on two occasions) at least 12 months before study entry, and who are following a gluten-free diet but continue to have recurrent symptoms. AGY is designed to neutralize the hidden gliadin in food, thus preventing gliadin absorption and gliadin induced pathogenesis. The study will test whether AGY is safe and effective in the study population, versus placebo. Primary Objective: The primary objective will be to evaluate the effect of AGY on celiac symptoms using the daily Celiac Symptom Index (CSI). Secondary objectives: Secondary objectives will be to evaluate product safety and the effect of AGY on quality of life, autoantibodies, and gut permeability.