# Ultrathin Versus Conventional Esophagogastroduodenoscopy in Unsedated Patient With or Without Local Pharyngeal Anaesthesia

> **NCT00164996** · PHASE3 · COMPLETED · sponsor: **Chinese University of Hong Kong** · enrollment: 400 (estimated)

## Conditions studied

- Dyspepsia

## Interventions

- **PROCEDURE:** Local pharyngeal anaesthesia
- **DEVICE:** Ultrathin endoscope

## Key facts

- **NCT ID:** NCT00164996
- **Lead sponsor:** Chinese University of Hong Kong
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2004-09
- **Primary completion:** 2010-09
- **Final completion:** —
- **Target enrollment:** 400 (ESTIMATED)
- **Last updated:** 2012-02-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00164996

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00164996, "Ultrathin Versus Conventional Esophagogastroduodenoscopy in Unsedated Patient With or Without Local Pharyngeal Anaesthesia". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT00164996. Licensed CC0.

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