# A Multicenter Prospective Cohort Study Comparing Random Biopsies Versus Wide-Area Transepithelial Brush-Sampling (WATS) for Surveillance of Barrett's Esophagus, the WATS-EURO2 Study

> **NCT05642338** · — · RECRUITING · sponsor: **Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)** · enrollment: 416 (estimated)

## Conditions studied

- Barrett Esophagus
- Esophageal Adenocarcinoma
- Diagnosis

## Interventions

- **DIAGNOSTIC_TEST:** WATS3D

## Key facts

- **NCT ID:** NCT05642338
- **Lead sponsor:** Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2022-11-01
- **Primary completion:** 2027-05-01
- **Final completion:** 2027-05-01
- **Target enrollment:** 416 (ESTIMATED)
- **Last updated:** 2022-12-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05642338

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05642338, "A Multicenter Prospective Cohort Study Comparing Random Biopsies Versus Wide-Area Transepithelial Brush-Sampling (WATS) for Surveillance of Barrett's Esophagus, the WATS-EURO2 Study". Retrieved via AI Analytics 2026-08-01 from https://api.ai-analytics.org/clinical/NCT05642338. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*