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Could a sleep apnea machine keep heart patients out of the hospital?

NCT ID NCT03647891

Disease control Sponsor: Kaiser Permanente 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
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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 Jul 20, 2026 · Last updated Jul 21, 2026 · Updated 1 time

Summary

This study investigates whether diagnosing and treating obstructive sleep apnea with CPAP therapy early, while patients are still in the hospital for heart problems, can reduce the chance of being readmitted within 30 days. The trial enrolls adults with heart failure, heart attack, or arrhythmia who also have sleep apnea. Participants receive CPAP, a device that keeps the airway open during sleep, and researchers track readmission rates and other health outcomes.

What this could mean

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

Active substance
Continuous Positive Airway Pressure (CPAP) therapy
What this could lead to
If successful, early CPAP treatment could become a standard part of cardiac care to prevent hospital readmissions.
What could go wrong
This is a small, early-stage study without a control group, so results may not be conclusive. CPAP adherence can be low, which may limit its impact.

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.

Expected to start

Jul 2017

An estimate. Start dates often move.

Finished

Sep 2017

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 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Kaiser Permanente member * Males or female, any race, and age 18 and older * OSA-predominant (AHI at or above 5) sleep disordered breathing * Primary diagnosis upon admission of congestive heart failure, acute coronary syndrome, or arrhythmias * Congestive heart failure (Acute or acute on chronic systolic heart failure, Acute or acute on chronic diastolic heart failure) * Acute coronary syndrome (ST segment elevation myocardial infarction, Non-ST segment myocardial infarction, Unstable angina) * Arrhythmias (Tachyarrhythmias, Atrial fibrillation, Atrial flutter, Bradyarrhythmias, Sinus bradycardia, 2nd degree atrioventricular block, Complete heart block) * Appropriate to perform portable sleep study while on room air (no oxygen) * Patients who are able and willing to give informed consent Exclusion Criteria: * Use of CPAP within 6 months of enrollment * Patients with CSA-predominant sleep disordered breathing * Patients who are "sleepy": ESS at or above 11 * Commercial driver's license or other occupational hazards (operating heavy machinery) * Non-English speaking (validated questionnaires are currently limited to English) * Patients with chronic respiratory failure requiring oxygen therapy or non-invasive ventilation. * Patients requiring tracheostomy * Pregnant patients

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Conditions

The condition(s) this trial relates to.

acute coronary syndrome Arrhythmias, Cardiac cardiac rhythm disease congestive heart failure heart failure myocardial infarction obstructive sleep apnea syndrome

As listed by the trial registrant

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

Arrhythmia, cardiac Heart failure Myocardial infarction OSA

Contacts and locations

Locations

  • Sleep Center; San Bernardino County Medical Center, Kaiser Permanente

    Fontana, California, 92335, United States

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