Impact of inspiratory muscle training on functional capacity, lung volumes, electrical activity and inspiratory muscle strength in hemodialysed patients
NCT ID NCT07811947
First seen Sep 10, 2026 · Last updated Sep 10, 2026
Summary
This study will evaluate whether inspiratory muscle training performed during hemodialysis improves inspiratory muscle strength in adults receiving regular hemodialysis. After an initial 12-week period without study-protocolized inspiratory muscle training, participants will be randomly assigned to inspiratory muscle training plus usual care or usual care alone for 12 weeks. The primary outcome is the change in maximum inspiratory pressure from baseline to Week 12. The study will also assess lung function, walking capacity, handgrip strength, electrical activity of inspiratory muscles, dyspnea, body composition, health-related quality of life, and daily physical activity.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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About 53 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Sep 2026
An estimate. Start dates often move.
- Expected to finish
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Sep 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Tecsam - Tecnologia e Serviços Médicos
Mirandela, Braganza District, 5370-530, Portugal
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