Can changing how you breathe ease COPD symptoms?
NCT ID NCT07573826
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether different breathing patterns (pursed-lip breathing with specific inhale/exhale ratios) can improve breathing in people with stable COPD. About 122 participants aged 40 and older will be assigned to one of three breathing ratios or standard care. Researchers will measure breathing rate, oxygen levels, and shortness of breath before and after a 10-minute session.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- pursed-lip breathing technique
- What this could lead to
- If successful, this could identify the best breathing pattern to help COPD patients feel less breathless and improve oxygen levels during daily activities.
- What could go wrong
- This is a small, early-stage study with no blinding, so results may not be conclusive. The breathing technique is safe, but benefits may vary from person to person.
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
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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
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About 122 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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May 2026
An estimate. Start dates often move.
- Expected to finish
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Aug 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
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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40 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Diagnosed with stable COPD * Age ≥ 40 years * Able to follow breathing instructions * Willing to participate and provide informed consent Exclusion Criteria: * Cognitive impairment or decreased consciousness * Severe cardiovascular disease (heart failure, coronary artery disease, pulmonary hypertension) * Asthma-COPD overlap (ACO) * Acute respiratory infection (e.g., pneumonia) * Neuromuscular disorders affecting respiratory muscles
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
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