Could a simple mouth rinse replace invasive tests for a deadly pneumonia?

NCT ID NCT02648256

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

Summary

This study tested whether a simple mouth rinse could help diagnose Pneumocystis pneumonia, a serious lung infection in people with weakened immune systems. Researchers used a PCR test on the rinse sample to look for the fungus, aiming to find a threshold that indicates active infection. The study involved 408 adults who needed a bronchoscopy for diagnosis, comparing the mouth rinse test to standard methods.

What this could mean

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

Active substance

Polymerase Chain Reaction (PCR) on oropharyngeal rinse

What this could lead to

If successful, this could provide a simple, non-invasive way to diagnose Pneumocystis pneumonia quickly, potentially reducing the need for invasive bronchoscopy.

What could go wrong

This is a completed diagnostic study, not a treatment trial. The test may not be accurate enough to replace standard methods, and results may not apply to all patient groups.

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.

pneumocystosis

As listed by the trial registrant

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

Contacts and locations

Locations

  • CHU Amiens

    Amiens, 80000, France

  • CHU Brest

    Brest, 29200, France

  • CHU Rennes

    Rennes, 35000, France