Clinical Research Directory

Inclusion Criteria: * Patients over 18 years of age; * Patients with an established diagnosis of IBD: CD, UC, unclassified IBD or refractory chronic pouchitis; * Patients with active disease requiring surgery or endoscopy, whether performed at diagnosis or prior to initiation of new therapy; * Patients who have given written consent to participate in the study and to keep biological samples for research purposes Exclusion Criteria: * Patients refusing to participate in the cohort; * Patients with chronic inflammatory bowel disease quiescent at inclusion; * Patients with a contraindication to general anaesthesia; * Vulnerable patients (under court protection, curators, guardians);