New sleep apnea classification could change how we treat it
NCT ID NCT06861686
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at a new system for classifying obstructive sleep apnea (OSA) based on how sleepy patients feel and their heart health. Researchers will follow 1,800 adults newly diagnosed with OSA to see if this classification helps predict long-term improvements. The goal is to better understand which patients need more aggressive treatment.
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 could lead to a better system for classifying sleep apnea, helping doctors tailor treatments more effectively.
- What could go wrong
- This is an observational study, not a treatment trial. It may not directly improve outcomes, and the new classification might not prove better than current methods.
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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.
Contacts and locations
Locations
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Antwerp University Hospital
NOT_YET_RECRUITINGAntwerp, Antwerp, B-2650, Belgium
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Centre Hospitalier Universitaire Grenoble Alpes
NOT_YET_RECRUITINGGrenoble, Isère, 38043 Cedex 9, France
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Clinica Somnolog
RECRUITINGBucharest, Romania
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Department of Pulmonology, University General Hospital of Alexandroupolis, Medical School, Democritus University of Thrace
RECRUITINGAlexandroupoli, Evros, 68100, Greece
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Division of Pulmonology, Department of Clinical Therapeutics, National and Kapodistrian University of Athens, Medical School
NOT_YET_RECRUITINGAthens, Greece
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Ege University, Faculty of Medicine, Department of Respiratory Medicine
RECRUITINGIzmir, Turkey (Türkiye)
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Hospital Beatriz Ângelo, Unidade Local de Saúde Loures-Odivelas
RECRUITINGLoures, 2674-514, Portugal
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Institute of Tuberculosis and Lung Diseases
RECRUITINGWarsaw, Masovian Voivodeship, 01-138, Poland
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Istituti Clinici Scientifici Maugeri IRCCS
RECRUITINGPavia, 27100, Italy
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Istituto Auxologico Italiano
NOT_YET_RECRUITINGMilan, 20149, Italy
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Klinik für Pneumologie Universitätsspital Zürich
NOT_YET_RECRUITINGZurich, Switzerland
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Respiratory Failure Unit, G. Papanikolaou Hospital
NOT_YET_RECRUITINGThessaloniki, Greece
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UZ Leuven
RECRUITINGLeuven, Vlaams-Brabant, 3000, Belgium
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Unidade Local de Saúde de Gaia e Espinho ULSGE - Unidade de Patologia do Sons
RECRUITINGVila Nova de Gaia, Porto District, 4434-502, Portugal
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University Clinic of Respiratory and Allergic Diseases Golnik
RECRUITINGGolnik, 4204, Slovenia
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University of Crete
RECRUITINGHeraklion, 71500, Greece
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University of Medicine and Pharmacy Dr. Victor Babes
RECRUITINGTimișoara, Romania
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Wissenschaftliches Institut Bethanien für Pneumologie e.V.
RECRUITINGSolingen, 42699, Germany
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Could a home sleep test beat the hospital for diagnosing apnea?
- A dual sleep disorder: can one pill boost CPAP success?
- What lies beneath sleep apnea? a deep dive into its hidden health ties
- Can a simple questionnaire spot hidden sleep apnea in millions?
- Wall squats tested as a blood pressure hack for sleep apnea patients
- Blood tests may one day replace sleep studies for apnea