Study on Cannabinoid Receptor Expression in Gastrointestinal Diseases

Status Completed

Clinical Trial Summary

The purpose of the study is to investigate phospholipid ligands and their receptors in inflammatory bowel diseases and colon cancer. Several new species of lipids have been recently discovered which are able to transmit information to cancer cells in the large intestine. The lipids and their responsive receptors build an axis that is thought to influence the development of inflammation and cancer.

Clinical Trial Description

Expression of cannabinoid receptors are examined in mucosal biopsies of the colon and blood leukocytes of patients with inflammatory bowel disease (IBD) or colon cancer in comparison to healthy individuals by polymerase chain reaction, Western Blots and flow cytometry. Colonic endoscopic biopsies and blood are collected from adult patients with confirmed active Ulcerative colitis (UC) and Crohn's disease (CD), adult UC and CD patients in remission, colon cancer patients and from healthy individuals (controls). Biopsies from healthy individuals (control group) will have undergone colonoscopy during standard screening for colorectal cancer or for the diagnostic workup of gastrointestinal symptoms without endoscopic or histologic evidence of colonic disease. For UC patients, duration and location of disease (Montreal classification), endoscopic (Mayo score) and clinical activity score, histological features and current and previous treatments (5-aminosalicylic acid, corticosteroids, immunomodulators) will be recorded. For CD patients, duration and location of disease is assessed, a HarveyBradshaw Index and activity will be scored, histological features and current and previous treatments will be recorded. Blood is collected and immediately processed for flow cytometric experiments. Phospholipids are measured in serum and in colonic mucosal biopsy samples of all cohorts by mass spectrometry. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02735941
Study type	Observational
Source	Medical University of Graz
Contact
Status	Completed
Phase
Start date	June 13, 2017
Completion date	July 27, 2018

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