# Aerosol Particle From EGD in Patients With and Without Head Box in COVID-19 Era

> **NCT04981535** · NA · COMPLETED · sponsor: **King Chulalongkorn Memorial Hospital** · enrollment: 190 (actual)

## Conditions studied

- EGD
- Covid19
- Aerosol Disease
- Head Box

## Interventions

- **DEVICE:** Head box during upper gastrointestinal endoscopy

## Key facts

- **NCT ID:** NCT04981535
- **Lead sponsor:** King Chulalongkorn Memorial Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-09-30
- **Primary completion:** 2021-12-24
- **Final completion:** 2022-06-30
- **Target enrollment:** 190 (ACTUAL)
- **Last updated:** 2022-11-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04981535

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04981535, "Aerosol Particle From EGD in Patients With and Without Head Box in COVID-19 Era". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04981535. Licensed CC0.

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