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Breathing muscle training may boost tongue power, small study hints

NCT ID NCT06627283

Knowledge-focused Sponsor: Université Catholique de Louvain 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether training your breathing muscles can also strengthen your tongue. Sixty healthy adults will use a breathing device for several weeks. Researchers will measure tongue strength and endurance before and after training. The goal is to see if there is a connection between respiratory and tongue muscle function.

What this could mean

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

Active substance
POWERbreathe Medic device for inspiratory muscle training
What this could lead to
If it works, this could point toward new ways to improve tongue strength, which may help with swallowing or speech issues.
What could go wrong
This is a small, early study in healthy people, so results may not apply to patients. The training effect on tongue muscles is uncertain.

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 60 people

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

Started

Nov 2024

Expected to finish

Jul 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 65 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: Community ambulant adults between 18 to 65 years old as of testing day; able to understand French or Dutch (depending on the study's site of inclusion); BMI ≥ 18 and ≤ 30 kg/m². Exclusion Criteria: Any diagnosed neuromuscular or cardiorespiratory disease; diagnosed psychiatric or psychological disorders which could affect adherence to or comprehension of instructions; diagnosed eating disorders; previous or ongoing head and neck cancer; diagnosed OSA; presenting a high-risk of sleep-disordered breathing indicated by a NoSAS score of 8 or higher 32 or a STOP-Bang score of 3 or higher 33,34; resting heart rate (HR) \> 100 beats per minute (bpm) or \< 50 bpm; resting systolic blood pressure (SBP) \> 140 or \< 90 mmHg, diastolic blood pressure (DBP) \> 90 or \< 50 mmHg; oxygen saturation (SpO2) \< 94% at rest on room air. Individuals with abnormal lung function, i.e., forced expiratory volume in 1 second (FEV1) ≤ 80%, forced vital capacity (FVC) ≤ 80%, and FEV1/FVC ≤ 70%, will also be excluded.

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As listed by the trial registrant

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

Healthy

How to take part

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

  1. The places running it

    3 sites in 2 countries. 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

  • HESAV

    RECRUITING

    Lausanne, 1011, Switzerland

  • KULeuven

    RECRUITING

    Leuven, 3000, Belgium

  • UCLouvain

    RECRUITING

    Louvain-la-Neuve, 1348, Belgium

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