Can a simple blood test improve sleep apnea diagnosis?

NCT ID NCT04572269

First seen Nov 01, 2025 · Last updated Apr 28, 2026 · Updated 26 times

Summary

This study looked at whether chemicals in the blood (metabolomics) can help diagnose obstructive sleep apnea and show how well treatment is working. Researchers studied 388 adults with and without sleep apnea. They collected blood samples and tracked how using a CPAP machine affected these chemical markers.

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Contacts and locations

Locations

  • University of Iceland

    Reykjavik, 108, Iceland

  • University of Pennsylvania

    Philadelphia, Pennsylvania, 19104, United States

Conditions

Explore the condition pages connected to this study.