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Can a sleep mask calm your heart? new trial tests CPAP for AFib

NCT ID NCT07087587

Symptom relief Sponsor: The Cleveland Clinic Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at whether using a CPAP machine in a personalized way can reduce the amount of time people with atrial fibrillation (AFib) spend in an irregular heart rhythm. Twenty adults with both moderate-to-severe sleep apnea and AFib will alternate two weeks on and two weeks off CPAP for 12 weeks. The goal is to see if CPAP use lowers AFib burden and improves heart-related quality of life.

What this could mean

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

Active substance
CPAP device
What this could lead to
If it works, this could show that using CPAP in a personalized way helps reduce AFib episodes and improve quality of life for people with both conditions.
What could go wrong
This is a small pilot study with only 20 people, so results may not apply to everyone. It's also possible that CPAP use won't significantly change AFib burden.

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 20 people

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

Started

Aug 2025

Expected to finish

Dec 2026

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 85 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: 1. Informed consent 2. Age 18-85 years 3. High burden paroxysmal AF (≥1%) 4. Moderate-severe OSA (AHI ≥ 15) 5. Implanted device with atrial diagnostics 6. Enrolled in remote monitoring Exclusion Criteria: 1. AF ablation \<6 months 2. Valvular abnormalities 3. Excessive daytime sleepiness in safety-critical jobs 4. Plans for ablation during study 5. Non-CPAP OSA treatment 6. Recent device implantation (\<6 months) 7. Central sleep apnea

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Conditions

The condition(s) this trial relates to.

atrial fibrillation obstructive sleep apnea syndrome paroxysmal atrial fibrillation

As listed by the trial registrant

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

AFIB CPAP Sleep apnea syndrome, obstructive

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    2 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Cleveland Clinic

    RECRUITING

    Cleveland, Ohio, 44195, United States

  • University of Washington

    NOT_YET_RECRUITING

    Seattle, Washington, 98195, United States

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