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Clinical Trial Summary

The main objective is to evaluate the FreeO2 device combined with noninvasive respiratory support technique for COPD patients and postoperative bariatric surgery patients.

The main hypothesis is that FreeO2 device for oxygen therapy associated with NIV or nasal high flow oxygen therapy (NHFOT) allows to reach better oxygenation and avoid hypoxemia and hyperoxia.


Clinical Trial Description

Bariatric surgery patients:

The main objective of this study is to evaluate the time spent in the SpO2 target (+/- 2% SpO2 target) and partial pressure of carbon dioxide (PCO2) values on patients with morbid obesity after bariatric surgery.

COPD patients:

The main objective of this study is to evaluate the time spent in the SpO2 target (+/- 2% SpO2 target) and PCO2 values on patients with exacerbation of COPD (hypercapnic patients) with different ventilatory supports (NIV and NHFOT) associated with FreeO2. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04136717
Study type Interventional
Source Laval University
Contact François Lellouche, MD, PhD
Phone 418-656-8711
Email Francois.Lellouche@criucpq.ulaval.ca
Status Recruiting
Phase N/A
Start date October 28, 2019
Completion date April 2021

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