(1) Barrett esophagus
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - Age > 18 years; - BO with a minimal circumferential length of 2 cm; - BO without dysplasia or with LGIN (i.e. surveillance patients) or patients with BO referred for endoscopic work-up of HGIN/early cancer; - Signed informed consent.
Exclusion criteria
Exclusion criteria: - Prior history of surgical or endoscopic treatment of esophageal neoplasia; - Presence of erosive oesophagitis (Los Angeles classification *B); - Inability to obtain biopsies or to perform an endoscopic resection (e.g. due to anticoagulation, coagulation disorders, varices); - Contraindication for fluorescein administration (e.g. allergy, pregnancy, beta-blocker use); - Unable to provide signed informed consent.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Study Phase 1: (1) Correlation of the real-time NBI evaluation with histological outcome; (2) Correlation of the real-time pCLE evaluation with histological outcome; (3) Reduction of the false positive rate of WLE and AFI with NBI; (4) Reduction of the false positive rate of WLE and AFI with pCLE. Study Phase 2: (1) Number of endoscopic resection specimens containing early neoplasia (i.e. HGIN/EC) upon histological evaluation; (2) Number of endoscopic resection specimens without early neoplasia upon histological evaluation; (3) Number of biopsies from areas graded as negative or indefinite upon endoscopy, containing early neoplasia upon histological evaluation. | — |
Countries
Netherlands