# The Impact of Fluid Volume Shifts on Upper Airway Collapse and Obstructive Sleep Apnea in Surgical Patients

> **NCT03850041** · — · TERMINATED · sponsor: **University Health Network, Toronto** · enrollment: 50 (actual)

## Conditions studied

- Obstructive Sleep Apnea

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03850041
- **Lead sponsor:** University Health Network, Toronto
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2019-07-22
- **Primary completion:** 2020-12-14
- **Final completion:** 2020-12-14
- **Target enrollment:** 50 (ACTUAL)
- **Why stopped:** lapse of renewal
- **Last updated:** 2022-06-23

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03850041

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03850041, "The Impact of Fluid Volume Shifts on Upper Airway Collapse and Obstructive Sleep Apnea in Surgical Patients". Retrieved via AI Analytics 2026-06-12 from https://api.ai-analytics.org/clinical/NCT03850041. Licensed CC0.

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