Collagenous Colitis Clinical Trial
Official title:
Prospective Study on the Usefulness of Chromoendoscopy in Detecting Microscopic Colitis in Patients Undergoing Colonoscopy Due to Chronic Watery Diarrhoea
The purpose of this study is to determine whether chromoendoscopy using Indigo-Carmine dye spray is useful in diagnosing microscopic colitis among patients undergoing colonoscopy due to chronic watery diarrhea.
Microscopic colitis is a common disease found in 10% to 20% of cases having chronic watery
diarrhea. Obvious endoscopically identifiable changes of the mucosal surface are usually
absent, thus diagnosing microscopic colitis relies on multiple biopsy sampling from all
segments of the colon. Chromoendoscopy using indigo-carmine dye spray might, however,
unravel mucosal changes in microscopic colitis (Suzuki 2011).
The aim of this study is to investigate if chromoendoscopy using Indigo-Carmine 0.2-0.5% in
patients with chronic watery diarrhea is useful in diagnosing microscopic colitis.
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Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Diagnostic
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