# Nasal Versus Oronasal Mask in Continuous Positive Airway Pressure (CPAP) Treatment of Patients Affected by Obstructive Sleep Apnea Syndrome (OSAS).

> **NCT04681196** · — · COMPLETED · sponsor: **IRCCS Azienda Ospedaliero-Universitaria di Bologna** · enrollment: 61 (actual)

## Conditions studied

- Osa Syndrome

## Interventions

- **OTHER:** patients shifted to nasal mask after persistent OSA with oronasal mask

## Key facts

- **NCT ID:** NCT04681196
- **Lead sponsor:** IRCCS Azienda Ospedaliero-Universitaria di Bologna
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2021-01-01
- **Primary completion:** 2021-03-01
- **Final completion:** 2021-06-01
- **Target enrollment:** 61 (ACTUAL)
- **Last updated:** 2021-11-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04681196

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04681196, "Nasal Versus Oronasal Mask in Continuous Positive Airway Pressure (CPAP) Treatment of Patients Affected by Obstructive Sleep Apnea Syndrome (OSAS).". Retrieved via AI Analytics 2026-05-29 from https://api.ai-analytics.org/clinical/NCT04681196. Licensed CC0.

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