# Seattle Biopsy Protocol Versus Wide-Area Transepithelial Sampling in Patients With Barrett's Esophagus Undergoing Surveillance

> **NCT05530343** · NA · RECRUITING · sponsor: **University of Colorado, Denver** · enrollment: 2298 (estimated)

## Conditions studied

- Barrett Esophagus
- Barretts Esophagus With Dysplasia
- Esophageal Adenocarcinoma

## Interventions

- **DIAGNOSTIC_TEST:** Seattle protocol
- **DIAGNOSTIC_TEST:** WATS3D brushings

## Key facts

- **NCT ID:** NCT05530343
- **Lead sponsor:** University of Colorado, Denver
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2022-10-03
- **Primary completion:** 2026-03
- **Final completion:** 2026-03
- **Target enrollment:** 2298 (ESTIMATED)
- **Last updated:** 2024-06-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05530343

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05530343, "Seattle Biopsy Protocol Versus Wide-Area Transepithelial Sampling in Patients With Barrett's Esophagus Undergoing Surveillance". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT05530343. Licensed CC0.

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