# The Evaluation of Patients With Esophageal and Foregut Disorders With WATS (Wide Area Transepithelial Sample With 3-Dimensional Computer-Assisted Analysis) vs. 4-Quadrant Forceps Biopsy

> **NCT03859557** · — · COMPLETED · sponsor: **CDx Diagnostics** · enrollment: 1032 (actual)

## Conditions studied

- GERD
- Barrett Esophagus
- Low Grade Esophageal Glandular Dysplasia
- Esophageal Diseases

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03859557
- **Lead sponsor:** CDx Diagnostics
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2017-10-01
- **Primary completion:** 2018-12-31
- **Final completion:** 2018-12-31
- **Target enrollment:** 1032 (ACTUAL)
- **Last updated:** 2019-03-01

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03859557

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03859557, "The Evaluation of Patients With Esophageal and Foregut Disorders With WATS (Wide Area Transepithelial Sample With 3-Dimensional Computer-Assisted Analysis) vs. 4-Quadrant Forceps Biopsy". Retrieved via AI Analytics 2026-07-19 from https://api.ai-analytics.org/clinical/NCT03859557. Licensed CC0.

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