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Wall squats tested as a blood pressure hack for sleep apnea patients

NCT ID NCT07730879

Disease control Sponsor: Aveiro University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 28, 2026 · Last updated Jul 30, 2026 · Updated 2 times

Summary

This study tests whether a simple isometric wall squat exercise can lower blood pressure in adults with both hypertension and obstructive sleep apnea treated with CPAP. Each participant will complete one session of wall squats and one rest-only session, with blood pressure monitored for 12 hours afterward. The goal is to see if this low-cost, home-based exercise offers a practical way to improve blood pressure control beyond CPAP alone.

What this could mean

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

Active substance
isometric wall squat exercise
What this could lead to
If effective, this simple home exercise could offer a practical, low-cost way to help control blood pressure in people with hypertension and sleep apnea.
What could go wrong
This is a small, early trial with only 20 participants, so results may not apply broadly. The exercise may not produce a meaningful or lasting blood pressure reduction.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 20 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Nov 2026

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.

Ages

18 to 80 years

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: * 18-80 years old. * Diagnosis of hypertension and OSA confirmed by polysomnography or respiratory sleep study. * Apnea-Hypopnea Index (AHI) of at least 15 events per hour. * Treatment with CPAP for at least 3 months. Exclusion Criteria: * Mean CPAP adherence \<4 hours/night over the last month, documented by device download. * Heart failure. * Peripheral artery disease. * Atrial fibrillation. * Chronic obstructive pulmonary disease. * Chronic kidney disease. * History of acute coronary syndrome, stroke, or transient ischemic attack in the previous 12 months. * Relevant changes in antihypertensive or other cardiovascular pharmacotherapy in the previous 3 months. * Relevant changes in CPAP prescription in the previous 3 months. * Any contraindication to exercise according to contemporary ESC/ACSM recommendations (e.g. unstable angina). * Pregnancy or breastfeeding. * Neurological and/or orthopaedic conditions that could interfere with exercise (e.g. severe knee osteoarthritis, recent lower-limb surgery). * Inability to read, understand, or provide informed consent.

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Conditions

The condition(s) this trial relates to.

hypertensive disorder obstructive sleep apnea syndrome

As listed by the trial registrant

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

Hypertension 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

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Contacts and locations

Locations

  • Nippon Sanso Homecare

    RECRUITING

    Braga, Portugal

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