# Upper Airway Ultrasound in the Assessment of Difficult Visualization of the Larynx

> **NCT04273074** · NA · COMPLETED · sponsor: **Cairo University** · enrollment: 111 (actual)

## Conditions studied

- Airway Assessment

## Interventions

- **RADIATION:** sonographic assessment

## Key facts

- **NCT ID:** NCT04273074
- **Lead sponsor:** Cairo University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-02-20
- **Primary completion:** 2021-06-23
- **Final completion:** 2021-07-30
- **Target enrollment:** 111 (ACTUAL)
- **Last updated:** 2021-09-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04273074

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04273074, "Upper Airway Ultrasound in the Assessment of Difficult Visualization of the Larynx". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT04273074. Licensed CC0.

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