Gluten is a protein found in wheat and other cereals as barley and rye. It triggers an inflammatory reaction in the small-bowel of genetically predisposed persons. Alpha-amylase/trypsin inhibitors (ATIs) of wheat seem to be the responsible trigger of this intestinal Inflammation. Intestinal inflammation is connected to other extra-intestinal autoimmune inflammations like PSC (as f.ex. the association of PSC with inflammatory bowel disease proves). Hypothesis: Avoidance of ATIs through a gluten-free diet will reduce intestinal inflammation and thus also the the inflammatory activity in the liver. Proof of hypothesis: * Pilot study with n=20 patients with PSC * Explorative, open-label, mono-centric study * Inclusion criteria: age 18-65, diagnosed PSC-associated colitis without relevant clinical activity after last coloscopy.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
17
After run-in phase with normal diet under Observation, patients will be on a gluten-free diet for two months.
University Medical Center Hamburg-Eppendorf
Hamburg, Germany
Reduction of intestinal inflammatory activity
Expression of pro-inflammatory cytokines in gut mucosa (Sigma)
Time frame: 2 months
Inflammatory activity of the liver
alkaline phosphatase (AP)
Time frame: 2 months
Reduction of inflammatory cells/markers in the blood
stored blood samples, Pax-Gene
Time frame: 2 months
Quality of life
questionnaire
Time frame: 2 months
Change of symptoms with change of diet.
questionnaire
Time frame: 2 months
Changes in patients microbiota
stool samples
Time frame: 2 months (5 months with follow-up)
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