inflammatory bowel diseases
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - Signed informed consent - Patients with inflammatory bowel disease, an estimated involvement of at least 30% of the colonic surface and a disease duration of at least 8 years (or any disease duration in case of concomitant primary sclerosing cholangitis). - Previous assessable surveillance endoscopy > 1 year - Age > 18 years
Exclusion criteria
Exclusion criteria: - Active colitis > 20 cm and/or inflammation resulting in an insufficient surveillance procedure according to the endoscopist. - Allergy or intolerance to methylene blue - Insufficient bowel cleansing (BBPS 50 % of the colon surgically removed
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The detection rate of neoplasia (i.e. dysplasia and CRC) with the different endoscopic modalities | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Number of all lesions for each technique. 2. Number of dysplastic lesions for each technique. 3. Characteristics of lesions: Kudo classification, Paris classification, location, size 4. Number of lesions detected at first and second examination (only in group back-to-back HDWLE) 5. Duration of total endoscopic procedure time and endoscopic procedure time during withdrawal for each technique. 6. Number of biopsies taken in the different groups. | — |
Countries
Netherlands