# High Definition Endoscopy With NBI. Contribution in Patients With Non-erosive Esophagitis

> **NCT03824431** · — · COMPLETED · sponsor: **University of Sao Paulo General Hospital** · enrollment: 70 (actual)

## Conditions studied

- GERD

## Interventions

- **DIAGNOSTIC_TEST:** Endoscopic esophageal biopsies

## Key facts

- **NCT ID:** NCT03824431
- **Lead sponsor:** University of Sao Paulo General Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2014-01-23
- **Primary completion:** 2016-11-04
- **Final completion:** 2018-11-20
- **Target enrollment:** 70 (ACTUAL)
- **Last updated:** 2019-02-15

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03824431

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03824431, "High Definition Endoscopy With NBI. Contribution in Patients With Non-erosive Esophagitis". Retrieved via AI Analytics 2026-07-20 from https://api.ai-analytics.org/clinical/NCT03824431. Licensed CC0.

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