# Efficacy Study of CPAP on Nitrate and Norepinephrine Levels in Severe and Mild-moderate Sleep Apnea (SABIO)

> **NCT01769807** · NA · COMPLETED · sponsor: **University of Lisbon** · enrollment: 67 (actual)

## Conditions studied

- Obstructive Sleep Apnea

## Interventions

- **DEVICE:** CPAP

## Key facts

- **NCT ID:** NCT01769807
- **Lead sponsor:** University of Lisbon
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2004-07
- **Primary completion:** 2008-12
- **Final completion:** 2008-12
- **Target enrollment:** 67 (ACTUAL)
- **Last updated:** 2013-01-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01769807

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01769807, "Efficacy Study of CPAP on Nitrate and Norepinephrine Levels in Severe and Mild-moderate Sleep Apnea (SABIO)". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT01769807. Licensed CC0.

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