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Blood oxygen dips may reveal who stays on CPAP

NCT ID NCT07792746

Knowledge-focused Sponsor: Clinique du Millenaire Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 28, 2026 · Last updated Aug 28, 2026

Summary

This study follows 200 adults with newly diagnosed obstructive sleep apnea who are starting CPAP therapy. Researchers measure biomarkers from the initial sleep study, including hypoxic burden, pulse wave amplitude drops, and heart rate variability. They then check whether these markers predict how many hours patients use CPAP per night after three months. The goal is to see if these biomarkers offer a better way to identify patients who may need extra support to stick with treatment.

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, prescribed as part of routine care
What this could lead to
If certain biomarkers predict who will stick with CPAP, doctors could tailor support to improve adherence and cardiovascular outcomes.
What could go wrong
This is an observational study, so it can show links but not prove cause. Results may not apply to all patients, and adherence is influenced by many factors beyond biomarkers.

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 200 people

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

Started

Feb 2026

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

Adults with newly diagnosed obstructive sleep apnea syndrome and an indication for continuous positive airway pressure therapy, recruited from approximately 10 sleep medicine centers in France. Participants are treated according to routine clinical practice and followed for 3 months to assess CPAP adherence, symptoms, quality of life, and sleep apnea biomarkers.

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: * Newly diagnosed obstructive sleep apnea with an indication for continuous positive airway pressure therapy * Age older than 18 years * Written informed consent obtained Exclusion Criteria: * Continuous positive airway pressure treatment during the preceding 3 months * Medical contraindication to continuous positive airway pressure therapy * Concomitant condition likely to affect adherence to continuous positive airway pressure, including severe cognitive impairment or an unstable psychiatric disorder

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Conditions

The condition(s) this trial relates to.

obstructive sleep apnea syndrome sleep apnea syndrome

As listed by the trial registrant

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

Biomarkers for prediction of oa treatment efficacy CPAP Obstructive sleep apnea (OSA)

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

  • Clinique Millenaire

    RECRUITING

    Montpellier, 34000, France

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