New breathing device could help COPD patients who reject standard machines
NCT ID NCT04840706
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a high-flow nasal cannula device (Airvo) in COPD patients with high carbon dioxide levels who could not or would not use standard non-invasive ventilation. The goal was to see if the device improved blood gas levels and reduced flare-ups over one year. Only 3 patients were enrolled before the study was terminated, so no firm conclusions can be drawn.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- High-flow nasal cannula (Airvo) device
- What this could lead to
- If it works, this could offer a simpler breathing support option for COPD patients who cannot tolerate standard machines, potentially reducing hospital visits.
- What could go wrong
- The study was terminated early with only 3 participants, so results are very limited and may not apply to others. The device may not improve outcomes significantly.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
-
3 people
The number who actually took part.
- Started
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Apr 2022
- Finished
-
Apr 2024
- Lead sponsor
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A government agency
The lead sponsor is a government body.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
-
Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria:COPD patients 1) with at least two acute moderate or severe exacerbations during past 12 months, 2) who at the follow-up visit one month after an acute severe exacerbation of COPD are hypercapnic (capillary pCO2 \>6.5 kPa) and not willing to use NIV or have used it less than 4 h/d during the last month despite optimal settings prescribed by an experienced pulmonologist, or if a patient at the follow-up one month after a severe exacerbation is hypercapnic and is willing to try NIV (initiated at the follow-up visit, not at the ward), but then uses it less than 4h/d during the following month. Acute moderate (treated with short acting bronchodilators plus antibiotics and/or oral corticosteroids) and severe (patient requires hospitalization or visits the emergency room) exacerbations of COPD are defined according to the GINA Guidelines (GOLD 2019). Exclusion Criteria: 1) OSA (diagnosed OSA or high suspicion OSA because of regular snoring, witnessed apneas and daytime sleepiness), 2) neuromuscular or chest wall disease, 3) BMI\>35 kg/m2 or 4) a patient is not able to give his/her informed consent for the study.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Turku University Hospital
Turku, 20521, Finland
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