Lung clues could unlock early rheumatoid arthritis detection

NCT ID NCT04474392

Completed Knowledge-focused Sponsor: University of Colorado, Denver Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed study looked at 340 people to understand how certain proteins in the lungs, called autoantibodies, might be linked to the start of rheumatoid arthritis (RA). Researchers collected sputum (mucus from the lungs) from people at risk for RA, those already diagnosed, and healthy volunteers. The goal was to see if these lung proteins could predict who will develop RA, offering a window into the disease's early origins.

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 research could help identify early warning signs of rheumatoid arthritis, potentially leading to earlier diagnosis or prevention strategies.
What could go wrong: This is an observational study, not a treatment trial. It aims to understand disease origins, not test a therapy, so direct patient benefits are not guaranteed.

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 RHEUMATOID ARTHRITIS are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

rheumatoid arthritis

As listed by the trial registrant

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

RHEUMATOID ARTHRITIS

Contacts and locations

Locations

University of Colorado Denver (Anschutz Medical Campus)

Aurora, Colorado, 80045, United States

More trials for these conditions

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