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Can a sleep machine protect your heart after a stroke?

NCT ID NCT04458779

Disease control Sponsor: Far Eastern Memorial Hospital 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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at whether using a CPAP machine to treat sleep apnea soon after a stroke can improve heart health. 71 people with acute stroke and moderate-to-severe sleep apnea were randomly assigned to CPAP or usual care. Researchers measured changes in heart structure and blood markers over 12 months to see if CPAP reduces the risk of future heart problems or stroke.

What this could mean

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

Active substance
CPAP (continuous positive airway pressure) device
What this could lead to
If it works, CPAP could help reduce the risk of another stroke or heart problem in people who have both stroke and sleep apnea.
What could go wrong
This is a small, completed trial with 71 people, so results may not apply to everyone. CPAP can be uncomfortable and some people may not use it regularly.

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

71 people

The number who actually took part.

Started

Jul 2020

Finished

Dec 2024

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

20 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: 1. Time from onset of stroke symptoms to hospital arrival \<2 weeks . 2. Stroke is documented with brain magnetic imaging or computed tomography 3. Competency to provide informed consent. 4. Moderate to severe obstructive sleep apnea being established with the use of a home sleep-study screening device (ApneaLink). 5. Epworth sleepiness scale≦10. Exclusion Criteria: 1. Having received CPAP for obstructive sleep apnea prior to admission. 2. History of pneumothorax or brain surgery. 3. Coexisting heart failure or renal failure or persistent atrial fibrillation. 4. Unable to wear a nasal or nasal-oral mask. 5. Concomitant uncontrolled infection. 6. Swallowing difficulty or episodes of choking due to stroke 7. Coexisting central nervous diseases such as dementia

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Conditions

The condition(s) this trial relates to.

obstructive sleep apnea syndrome stroke disorder

As listed by the trial registrant

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

Obstructive sleep apnea Stroke, acute

Contacts and locations

Locations

  • Far Eastern Memorial Hospital

    New Taipei City, Taiwan

More trials for these conditions

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