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Could early CPAP help sleep apnea patients while they wait for a diagnosis?

NCT ID NCT07693101

Symptom relief Sponsor: Assiut University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 09, 2026 · Last updated Jul 10, 2026 · Updated 1 time

Summary

This study looks at whether starting CPAP therapy early for people with suspected obstructive sleep apnea (OSA) can improve their daytime sleepiness and quality of life while they wait for a formal sleep study. Participants are adults with strong signs of OSA, such as loud snoring and severe sleepiness. They will use an Auto-CPAP machine set to a practical pressure range. The study measures changes in sleepiness and daily functioning, and checks how well the early CPAP settings match the final ones from the sleep study.

What this could mean

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

Active substance
Auto-CPAP machine
What this could lead to
If successful, this approach could reduce delays in treating sleep apnea in areas with limited access to sleep labs, improving patients' daily functioning and sleep quality.
What could go wrong
This is an observational study with a small sample size, so results may not apply broadly. Early CPAP may not match the optimal pressure from a formal sleep study, and benefits may vary.

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.

Participants

About 80 people

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

Expected to start

Aug 2026

An estimate. Start dates often move.

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.

Who is studied

The study population consists of adult patients (aged 18 years and older) attending the Chest Department at Assiut University Hospital who present with symptoms suggestive of Obstructive Sleep Apnea (OSA), such as excessive daytime sleepiness, habitual snoring, or witnessed apnea. Eligible patients must have a high clinical probability of OSA, defined as having a STOP-BANG score of 5 or greater, or a STOP-BANG score of 3 to 4 combined with an Epworth Sleepiness Scale (ESS) score of 10 or greater. Furthermore, the population is specifically composed of individuals who are currently awaiting diagnostic polysomnography (PSG) due to delayed access to sleep laboratory services in a resource-limited setting.

Ages

18 years and older

Sex

Anyone

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: * Age ≥18 years. * Patients presenting with symptoms suggestive of OSA, including one or more of the following: excessive daytime sleepiness, habitual snoring, witnessed apnea during sleep, non-restorative sleep, or morning headache. * High clinical probability of OSA defined by: STOP-BANG score ≥5 or STOP-BANG score 3-4 with ESS ≥10. * Patients awaiting diagnostic PSG due to delayed access to sleep laboratory services. * Patients with OSAS and COPD overlap. * Obesity hypoventilation syndrome requiring automated CPAP. * Ability and willingness to use CPAP and provide informed consent. Exclusion Criteria: * Age \<18 years. * Pregnancy. * Previous PSG-confirmed OSA with prescribed CPAP settings. * Predominant central sleep apnea. * Cheyne-Stokes respiration. * Neuromuscular disorders affecting respiration. * Severe psychiatric illness impairing adherence. * Inability to provide informed consent. * Severe unstable cardiopulmonary disease requiring urgent respiratory support, including: acute heart failure, acute coronary syndrome, acute respiratory failure, or severe COPD with chronic hypercapnic respiratory failure requiring NIV rather than CPAP. * Obesity hypoventilation syndrome requiring bilevel PAP (BiPAP) instead of CPAP.

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Conditions

The condition(s) this trial relates to.

obesity-hypoventilation 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.

Obstructive sleep apnea (OSA) Sleep apnea syndromes Suspected obstructive sleep apnea

How to take part

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  1. The official record

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