Studie zur Vorbeugung von
Darmpolypen mit Grüntee-Extrakt


At time points prior to the run-in period, and after 4, 20 and 36 months, blood sampling for biobanking will be performed. The biobank will consist of pseudonymized (coded) plasma, serum and whole blood samples for biomarkers for adenoma development, as well as paraffin blocks of advanced adenomas detected in study participants at the 3 year colonoscopy. Participation in the clinical trial is independent from the biobanking project, and thus, separate informed consent will be given for the biobanking project.

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