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Can a simple questionnaire spot hidden sleep apnea in millions?

NCT ID NCT07736872

Knowledge-focused Sponsor: Kang Wu 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 30, 2026 · Last updated Jul 31, 2026 · Updated 1 time

Summary

This observational study aims to measure how common obstructive sleep apnea (OSA) is in community populations, patients with conditions like hypertension or diabetes, and special groups in China. Participants will fill out a screening questionnaire, and some will undergo sleep monitoring to confirm the diagnosis. The goal is to evaluate the accuracy of different screening tools for identifying OSA across these populations.

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 study could improve how obstructive sleep apnea is detected in diverse populations, leading to earlier diagnosis and better management.
What could go wrong
As an observational study, it does not test a treatment. The results may not apply outside China, and screening questionnaires may have limited accuracy.

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 100,000 people

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

Started

Sep 2024

Expected to finish

Aug 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

Target participants were recruited from multiple centers: Community population: A random number table method is used to select several communities within the designated research area. The research team then obtains a complete list of registered residents in these communities as the sampling frame. A computer-based random number generator is utilized to randomly select target residents. Patients with specific diseases: hypertension, diabetes, cardiovascular and cerebrovascular diseases, chronic obstructive pulmonary disease, asthma and other OSA related comorbidities. Special population: Including college teachers and students, doctors and nurses, and company employees.

Ages

18 to 80 years

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: * Sign the informed consent form before participating in the study * Complete independent behaviour and cognitive abilities * Ability to answer the questionnaire completely and accurately Exclusion Criteria: * Incomplete answers to the scale * Patients with severe diseases and acute infections or those requiring long-term home oxygen therapy * Patients with severe mental and psychological disorders * Patients with severe organ failure * patients with a total sleep time \<240 min by PSG or PM

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Conditions

The condition(s) this trial relates to.

obstructive sleep apnea syndrome Snoring

As listed by the trial registrant

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

Obstructive sleep apnea (OSA) Prevalence Questionnaires and surveys Snoring

How to take part

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

  1. The places running it

    2 sites. 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

  • Anshun People's Hospital

    NOT_YET_RECRUITING

    Anshun, Guizhou, China

  • The First Affiliated Hospital of Guangzhou Medical University

    RECRUITING

    Guangzhou, Guangdong, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.