Your breath may reveal COPD: new study investigates

NCT ID NCT05437198

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

Summary

This study collects exhaled breath from 240 adults—some with COPD and some without—to compare the types and amounts of bacteria present. Participants breathe through a straw into a device for 5 minutes, and a second sample is taken a year later. The goal is to understand how the microbiome in breath differs between the two groups, which could inform future diagnostic approaches.

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 successful, this could help identify breath-based markers for COPD, potentially leading to simpler diagnostic tools in the future.
What could go wrong
This is an early observational study, not a treatment trial. It only looks at breath samples and does not test any therapy, so it may not directly change patient care.

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

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for CHRONIC OBSTRUCTIVE PULMONARY DISEASE are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

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

  • Centre Hospitalier Intercommunal de Créteil

    RECRUITING

    Créteil, 94010, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.