Scientists hunt for protein clues to Pneumonia's hidden causes

NCT ID NCT00077909

First seen Jun 27, 2026 · Last updated Aug 05, 2026 · Updated 8 times

Summary

This study looks at proteins in lung fluid from 750 people with pneumonia to find biomarkers that could reveal what's causing the lung inflammation. Participants undergo a standard bronchoscopy with lung washings, plus a blood draw. The goal is to better understand different types of pneumonia and improve diagnosis.

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 doctors identify the cause of pneumonia more precisely, leading to better-targeted treatments.
What could go wrong
This is an early observational study, not a treatment trial. It may not find clear biomarkers, and results may not change clinical practice for years.

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

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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.

Contacts and locations

Locations

  • National Institutes of Health Clinical Center

    RECRUITING

    Bethesda, Maryland, 20892, United States

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