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Could a ring on your finger replace the sleep lab?

NCT ID NCT06255613

Diagnosis Sponsor: Belun Technology Company Limited Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is testing whether a wearable ring and a small body sensor can accurately diagnose sleep-disordered breathing, including sleep apnea. About 79 adults with suspected sleep apnea will wear the devices during an overnight sleep lab test. The goal is to see if the ring's readings match the standard sleep study results, potentially offering a more convenient way to diagnose sleep problems at home.

What this could mean

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

Active substance
Belun Ring and Belun Cor body sensor (wearable devices)
What this could lead to
If successful, this could provide a simpler, at-home way to diagnose sleep apnea without needing an overnight stay in a sleep lab.
What could go wrong
This is a small, early-stage study with only 79 participants, so results may not apply to everyone. The device may not be as accurate as the gold-standard lab test.

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

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 79 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jul 2024

Expected to finish

Sep 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 80 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Provision of signed informed consent form. * Clinically assessed and suspicious for OSA with a STOP-Bang score ≥ 3. Exclusion Criteria: * Full night PAP titration study. * On home O2, noninvasive ventilator, diaphragmatic pacing, or any form of a nerve stimulator. * Having atrial fibrillation-flutter, pacemaker/defibrillator, left ventricular assist device (LVAD), or status post cardiac transplantation. * Recent hospitalization or recent surgery in the past 30 days. * Unstable cardiopulmonary status on the night of the study judged to be unsafe for sleep study by the sleep tech and/or the on-call sleep physician. If a participant did not sleep for at least 4 hours of technically valid sleep based on the Belun Ring method for diagnostic assessments, or a minimum of 3 hours of technically valid sleep during the diagnostic phase of a split-night study, the patient will be excluded from statistical analysis.

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Conditions

The condition(s) this trial relates to.

Arrhythmias, Cardiac cardiac rhythm disease central sleep apnea syndrome obstructive sleep apnea syndrome sleep apnea syndrome

As listed by the trial registrant

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

Arrhythmia Sleep architecture Sleep-disordered breathing

Contacts and locations

Locations

  • UH Geauga Health Center Services

    Chardon, Ohio, 44024, United States

  • University Hospitals Cleveland Medical Center

    Cleveland, Ohio, 44106, United States

More trials for these conditions

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