# Cheeks Appearance as a Novel Predictor of Obstructive Sleep Apnea The CASA Score Study

> **NCT04980586** · — · COMPLETED · sponsor: **Hospital de Clinicas de Porto Alegre** · enrollment: 319 (actual)

## Conditions studied

- Obstructive Sleep Apnea
- Breathing, Sleep-Disordered
- Muscle Weakness
- Muscle Disorder
- Face
- Swallowing Disorder

## Interventions

- **DIAGNOSTIC_TEST:** CASA score protocol to Non-obstructive sleep apnea Group
- **DIAGNOSTIC_TEST:** CASA score protocol to Mild obstructive sleep apnea Group
- **DIAGNOSTIC_TEST:** CASA score protocol to Moderate obstructive sleep apnea Group
- **DIAGNOSTIC_TEST:** CASA score protocol to Severe obstructive sleep apnea Group

## Key facts

- **NCT ID:** NCT04980586
- **Lead sponsor:** Hospital de Clinicas de Porto Alegre
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2019-01-10
- **Primary completion:** 2019-03-26
- **Final completion:** 2021-04-26
- **Target enrollment:** 319 (ACTUAL)
- **Last updated:** 2021-07-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04980586

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04980586, "Cheeks Appearance as a Novel Predictor of Obstructive Sleep Apnea The CASA Score Study". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04980586. Licensed CC0.

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