Probiotic pill could tame COPD Flare-Ups, early trial hopes

NCT ID NCT07076290

First seen Feb 02, 2026 · Last updated Jun 19, 2026 · Updated 16 times

Summary

This early-stage trial tests an oral probiotic called R-3750 in 27 people with mild-to-moderate COPD. The main goal is to see if it is safe and tolerable. Researchers will also check if it improves breathing and quality of life using a standard questionnaire. The study is not yet recruiting.

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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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Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

What this could mean

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

Active substance

R-3750 (a probiotic made from a modified bacterium, Lactococcus lactis)

What this could lead to

If it works, this could point toward a new way to manage COPD using a probiotic taken by mouth, potentially reducing flare-ups and improving breathing.

What could go wrong

This is a very early Phase 1 trial with only 27 people, focused on safety, not effectiveness. The probiotic may not show any benefit or could cause unexpected side effects.

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.