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Quick sleep apnea care may boost CPAP use

NCT ID NCT04613414

Disease control Sponsor: University of Calgary 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether getting a sleep doctor appointment within one month helps people with obstructive sleep apnea use their CPAP machine more regularly. About 100 adults participated. The goal was to see if faster care leads to better treatment adherence and improved sleepiness and 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
early management strategy (faster sleep physician appointment)
What this could lead to
If successful, this could show that quicker access to sleep care helps people use CPAP more consistently, improving sleep and daily function.
What could go wrong
This is a small, completed trial focused on care timing, not a new treatment. Results may not apply to all sleep apnea patients or settings.

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

103 people

The number who actually took part.

Started

Jun 2022

Finished

Dec 2025

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

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: * HSAT ODI \>= events/hr and ESS 10 - 15 OR * HSAT ODI 15 - 30 and ESS 15 or lower Exclusion Criteria: * Severe nocturnal hypoxemia on HSAT (mean oxygen saturation by pulse oximetry (SpO2) ≤ 85%) * Severe hypersomnolence (Epworth Sleepiness Scale score ≥ 16) * Employed in safety-critical occupation * Recent motor vehicle collision reported on screening questionnaire (within one year) * Severe hypertension requiring ≥ three antihypertensive medications * Recent admission to hospital due to unstable cardiopulmonary disease (within 30 days) * Upcoming major surgery (within six months) * Prior history of OSA treatment * Significant co-morbid sleep disorder that would interfere with PAP acclimatization and adherence (e.g., severe insomnia, restless leg syndrome)

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Conditions

The condition(s) this trial relates to.

obstructive sleep apnea syndrome Treatment Adherence and Compliance

As listed by the trial registrant

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

Obstructive sleep apnea

Contacts and locations

Locations

  • Foothills Medical Centre Sleep Centre

    Calgary, Alberta, T2N 2T9, Canada

More trials for these conditions

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