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Can a breathing device make dialysis patients stronger?

NCT ID NCT07811947

Symptom relief Sponsor: Tecsam - Tecnologia e Servicos Medicos Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 10, 2026 · Last updated Sep 11, 2026 · Updated 1 time

Summary

Researchers are testing whether a breathing muscle training program done during hemodialysis can improve breathing strength and physical function in adults with advanced kidney disease. Participants train with a handheld electronic device three times a week for 12 weeks while receiving their regular dialysis. The study measures changes in breathing pressure, lung function, walking distance, handgrip strength, and quality of life.

What this could mean

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

Active substance
Inspiratory muscle training using a handheld electronic breathing device
What this could lead to
If it works, breathing muscle training during dialysis could become a simple, low-cost way to help people with kidney failure breathe stronger and move more easily.
What could go wrong
This is a small, single-center study, so the results may not apply to everyone on dialysis. The training requires effort during an already tiring treatment, and some participants may not complete the full program.

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 53 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Sep 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.

Ages

18 years and older

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: * Age 18 years or older * Enrolled in a regular hemodialysis program for at least 3 months * Receiving hemodialysis three times per week * Able to understand study information * Able to provide written informed consent Exclusion Criteria: * Recent history of clinically significant cardiac arrhythmia, acute myocardial infarction, unstable angina, severe valvular disease, or uncontrolled hypertension * Medical condition that contraindicates an increase in intrathoracic negative pressure or performance of inspiratory muscle training * Uncontrolled acute or decompensated medical condition that compromises participant safety or the validity of the assessments * Severe cognitive impairment that prevents provision of informed consent or completion of study procedures

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Conditions

The condition(s) this trial relates to.

chronic kidney disease chronic renal failure syndrome

As listed by the trial registrant

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

Chronic kidney disease (stages 4 and 5) Hemodialysis Inspiratory muscle training

How to take part

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  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

  • Tecsam - Tecnologia e Serviços Médicos

    Mirandela, Braganza District, 5370-530, Portugal

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