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Prometheus Announces New Findings Regarding Patients at Risk for Celiac Disease at DDW
Date:6/2/2009

New Insights into the Prediction of IBD Using Serology Testing Also Presented

SAN DIEGO, June 2 /PRNewswire/ -- Prometheus Laboratories Inc., a specialty pharmaceutical and diagnostic company, announced new findings regarding a correlation between an important serologic marker used in the detection of Crohn's disease and particular genetic markers in patients at risk for celiac disease. In an oral presentation yesterday at Digestive Disease Week (DDW) in Chicago, Prometheus reported a statistically significant correlation between antibodies to the flagellin CBir1 and HLA haplotypes DQ2.5 and DQ8 in a study of 5,406 patients at risk for celiac disease who are EMA positive. Blood and serum samples were analyzed using PROMETHEUS(R) Celiac PLUS and PROMETHEUS(R) IBD Serology 7 diagnostic tests.

"Genetic tests to rule out celiac disease are now readily available. However, few genetically predisposed individuals actually develop the disease, despite gluten ingestion, for reasons that are not well understood," said Dr. Michelle Pietzak, a Pediatric Gastroenterologist in the Division of Gastroenterology at the University of Southern California Keck School of Medicine. "The results from this study show that an overly aggressive immune response to particular bacteria in the intestine, as in Crohn's disease, may contribute to the inflammation seen in patients with celiac disease."

New Insights into IBD Serology Testing

Results from two additional studies regarding the prediction of inflammatory bowel disease (IBD) using serology testing were also presented yesterday at DDW. The first examined the consistency of biomarkers in patients who received multiple PROMETHEUS IBD Serology 7 tests within a two-year period. The overall rate of repeat testing ordered was only 2.2%. The results showed high concordance between the original and repeat tests; median changes in biomarker serum concentra
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SOURCE Prometheus Laboratories Inc.
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