Sleep apnea study aims to track 1,000 patients for better care
NCT ID NCT06514482
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
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About 1,000 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2022
- Expected to finish
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Dec 2028
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Hospital San Pedro
RECRUITINGLogroño, La Rioja, 26006, Spain
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