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Sleep apnea study aims to track 1,000 patients for better care

NCT ID NCT06514482

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 will follow 1,000 adults in Spain who are suspected of having obstructive sleep apnea (OSA) and daytime sleepiness. Participants will undergo standard sleep tests, blood pressure monitoring, and fill out questionnaires about their quality of life and sleepiness. Researchers will track their health and treatment adherence for up to 2 years to learn more about the condition and how it is managed in real-world practice.

What this could mean

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

What this could lead to
If successful, this registry could provide real-world data to improve how sleep apnea is diagnosed and managed, especially for patients with daytime sleepiness.
What could go wrong
This is an observational study, not a treatment trial, so it won't directly test a new therapy. Results may be limited by the specific Spanish population and routine care variations.

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 1,000 people

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

Started

Oct 2022

Expected to finish

Dec 2028

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

Patients referred to the sleep unit with suspected obstructive sleep apnea dream.

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: * Patients who come to the sleep consultation for sleep study results for suspected OSA. * Patients older than 18 years. * Signature of the informed consent. Exclusion Criteria: * Psycho-physical inability to complete questionnaires. * Presence of any previously diagnosed sleep disorder: narcolepsy, insomnia, sleep deprivation (less than 6h/day), regular use of medications hypnotics or sedatives (may be included if you only use a short-acting benzodiazepine or melatonin) and restless legs syndrome. * Patients with \> 50% central apnea or presence of Cheyne-Stokes respiration (CSRsp). * A medical history that may interfere with the objectives of the study or that in the judgment of the investigator compromises the conclusions. * Any medical, social or geographical factor that may endanger the patient compliance. (eg, alcohol consumption (more than 80 g/day in men and more than 60 gr / day in women), absence of stable habitual residence, disorientation or non-compliance history). * Any process, cardiovascular or not, that limits life expectancy to less than one year.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

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

  • Hospital San Pedro

    RECRUITING

    Logroño, La Rioja, 26006, Spain

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