The randomized single-blind study is comparing the effectivenes of bowel preparation before colonoscopy. Polyethylenglycol (PEG) is compared as a gold standard of bowel cleansing with low volume preparations: Sulfate-based solution, low volume PEG + ascorbic acid and solution of magnesium citric-acid and sodium picosulfate.
The effectiveness is rated mainly according to a quality of bowel preparation (Boston Bowel Preparation Scale). Secondary aim is a comparison of colorectal neoplasia detection.
The interrim results are presented. Supported by the projects MO1012 a Progres Q28/LF1