Smart oxygen device aims to keep COPD and surgery patients breathing easier

NCT ID NCT04136717

Recruiting now Symptom relief Sponsor: François Lellouche Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tests a device called FreeO2 that automatically adjusts oxygen levels during noninvasive breathing support. It includes 10 patients with COPD flare-ups or after weight-loss surgery. The goal is to see if the device keeps oxygen in a safe range better than manual adjustments.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: FreeO2 automatic oxygen titration device
What this could lead to: If it works, this device could help patients maintain safer oxygen levels during breathing support, reducing risks of too little or too much oxygen.
What could go wrong: This is a very small, early-stage study with only 10 participants, so results may not apply broadly. The device may not improve outcomes or could cause discomfort.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

chronic obstructive pulmonary disease Obesity, Abdominal obesity-hypoventilation syndrome obstructive sleep apnea syndrome

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

ABDOMINAL OBESITY COPD EXACERBATION OXYGEN TOXICITY SURGERY

Contacts and locations

Locations

Institut universitaire de Cardiologie et de Pneumologie - Université Laval
RECRUITING

Québec, Quebec, G1V 4G5, Canada

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