Exercise may spark lung repair in COPD patients
NCT ID NCT07343375
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether high-intensity interval training (HIIT) can help regenerate lung tissue in people with COPD who are waiting for lung volume reduction surgery. 24 participants will be randomly assigned to either a HIIT exercise program or no exercise. Researchers will compare lung tissue samples and other health measures before and after the training to see if exercise can trigger lung repair.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- High-intensity interval training (HIIT)
- What this could lead to
- If it works, this could show that exercise can actually help repair lung tissue in COPD, changing how we think about lung health.
- What could go wrong
- This is a very small, early study with only 24 people, so results may not apply to everyone. It's also looking at biological changes, not yet at curing or reversing COPD.
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 24 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Apr 2026
An estimate. Start dates often move.
- Expected to finish
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Dec 2029
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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Children (under 18), adults (18 to 64) and older adults (65 and over)
- 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.
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 * Men and women * Referred for lung volume reduction surgery at Rigshospitalet because of emphysematous COPD. Exclusion criteria * Symptoms of ischaemic heart disease * Known heart failure * Unable to complete or understand HIIT training * Claudication * Symptoms of acute disease within 2 weeks prior to the study * Known malignant disease * Pregnancy * Unstable cardiac arrhythmic disease * Renal or liver dysfunction * Known chronic kidney or liver disease * Elevated creatinine, urea, alanine transaminase (ALAT), aspartate transaminase (ASAT), bilirubin, basic phosphatases at blood test
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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 places running it
1 site. The list below names each one and where it is.
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The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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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.
Contacts and locations
Locations
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Centre for Physical Activity Research, Copenhagen University Hospital
Copenhagen, Denmark
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