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Sleep apnea treatment may ease tough asthma

NCT ID NCT07160868

Knowledge-focused Sponsor: St. James's Hospital, Ireland 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether treating obstructive sleep apnea (OSA) with a CPAP machine can improve asthma control in people with difficult-to-treat asthma. Eighty adults will be randomly assigned to receive CPAP, no OSA treatment, or serve as a reference group without OSA. The goal is to see if fixing sleep breathing problems leads to better asthma symptoms 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
Continuous positive airway pressure (CPAP) device
What this could lead to
If it works, this could show that treating sleep apnea helps people with difficult asthma breathe better and have fewer flare-ups.
What could go wrong
This is a small, early-stage trial (80 people) that is not blinded, so results may be influenced by expectations. It is testing a device, not a new drug, so the impact may be modest.

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 80 people

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

Started

Sep 2025

Expected to finish

May 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 90 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: * Patients must have a clinical diagnosis of asthma with supportive objective diagnostics including but not limited to, variable airflow obstruction, bronchial-hyper responsiveness and demonstrable eosinophilic inflammation via fractional exhaled nitric oxide or peripheral eosinophilia * Patients receiving step 4 or step 5 of 'The Global Initiative for Asthma' (GINA) treatment guidelines will be selected * Between the ages of 18 to 90 years of age Exclusion Criteria: * Patients with previous sleep study investigations * Excessive daytime sleepiness; ESS \>17 * Previous diagnosis of a sleep disorder * Resting hypoxaemia or need for long-term oxygen therapy * Inability to provide informed consent

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Conditions

The condition(s) this trial relates to.

asthma disease obstructive sleep apnea syndrome

As listed by the trial registrant

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

Asthma (diagnosis) Cpap treatment OSA - obstructive sleep apnea

How to take part

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

  1. The places running it

    1 site. 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

  • St. James's Hospital

    RECRUITING

    Dublin, Dublin, Ireland

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