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Blood tests may one day replace sleep studies for apnea

NCT ID NCT07723144

Recruiting now Knowledge-focused Sponsor: Medical University of Bialystok Source: ClinicalTrials.gov ↗

First seen Jul 23, 2026 · Last updated Jul 24, 2026 · Updated 1 time

Summary

This study investigates whether certain proteins and other substances in the blood can help identify and track obstructive sleep apnea (OSA), a common disorder linked to heart and metabolic problems. Researchers will compare blood samples from 120 adults—some with moderate-to-severe OSA and some without—and see how these markers change after treatment with a breathing device (PAP therapy). The goal is to find simpler, more accessible ways to screen for and monitor the condition.

What this could mean

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

Active substance
Positive Airway Pressure (PAP) Therapy
What this could lead to
If successful, this could lead to simpler blood tests for diagnosing and monitoring sleep apnea, making care more accessible and personalized.
What could go wrong
This is an early biomarker study, not a treatment trial. The markers identified may not prove useful in practice, and results may not apply to all patients.

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Conditions

The condition(s) this trial relates to.

Inflammation obstructive sleep apnea syndrome

As listed by the trial registrant

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

OBSTRUCTIVE SLEEP APNEA OBSTRUCTIVE SLEEP APNEA (MODERATE TO SEVERE) OBSTRUCTIVE SLEEP APNEA (OSA) OBSTRUCTIVE SLEEP APNEA (OSAS) OBSTRUCTIVE SLEEP APNEA (SAOS)

Contacts and locations

Study contacts

  • Contact

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

  • Contact

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

Locations

  • Department of Otolaryngology, Medical University of Bialystok

    RECRUITING

    Bialystok, Podlaskie Voivodeship, 15-276, Poland

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

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

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