Simplified Bowel Preparation Versus Standard Bowel Preparation Before Capsule Endoscopy in Patients With Crohn's Disease

Inclusion Criteria: * Patients of both genders aged over 18 years old * With an established diagnosis of Crohn's disease, whether active or quiescent * With an indication of a small bowel capsule endoscopy * Without any small bowel stricture (patency capsule procedure on the 7 days before the capsule endoscopy) * Registered with a social security scheme * Having provided their oral consent for the study after appropriate information Exclusion Criteria: * \- Patients aged below 18 years old * Diagnosis of ulcerative colitis or IBD unclassified * Presence of an ileostomy * Presence of a small bowel syndrome * Symptoms suggestive of a small bowel stricture * Retention of the patency capsule on an abdominal X-ray performed 48 hours after the ingestion * Abdominal pain after the ingestion of the patency capsule * Planned abdominal surgery in the next month * Known intestinal fistula * Swallowing disorders * Established diagnosis of delayed gastric emptying or suggestive symptoms * Intake of non-steroidal anti-inflammatory drugs (NSAIDs) in the month prior to the capsule endoscopy * Intake of oral iron supplementation in the week prior to the capsule endoscopy * Intake of oral 5-ASA granules in the week prior to the capsule endoscopy * Ongoing pregnancy * Presence of a pace-maker or implantable defibrillator * Known allergy to polyethylene glycol or to lactose * Vulnerable people i.e. adults under a legal protection regime (guardianship, trusteeship, judicial safeguard)