COPD mystery: could low lung blood volume explain breathlessness?

NCT ID NCT07428785

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study compares 16 people with mild-to-moderate COPD to 16 healthy volunteers matched by age, sex, and height. Researchers measure blood volume in the lungs and the whole body to see if a smaller lung blood volume contributes to exercise problems. No treatment is given—the goal is simply to better understand the disease.

What this could mean

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

What this could lead to

If this study succeeds, it could reveal a new reason why people with COPD struggle with exercise and shortness of breath, pointing toward future treatments.

What could go wrong

This is a small, early observational study with only 32 participants. It measures blood volumes, not treatments, so it may not lead directly to any new therapy.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

chronic obstructive pulmonary disease COPD, severe early onset

As listed by the trial registrant

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

Contacts and locations

Locations

  • Center for Aktiv Sundhed

    Copenhagen, 2100, Denmark