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Pedaling while dialyzing: simple exercise may boost heart function in kidney patients

NCT ID NCT07507981

Symptom relief Sponsor: Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether a six-month aerobic exercise program done during dialysis sessions could improve heart function in people with end-stage kidney disease. Eighteen adults on hemodialysis pedaled a stationary bike for 30 minutes, three times a week, while receiving treatment. Researchers measured heart pumping strength before and after the program to see if exercise made a difference.

What this could mean

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

Active substance
aerobic exercise program
What this could lead to
If it works, this could point toward a simple, drug-free way to protect the heart in people on dialysis.
What could go wrong
This is a very small, single-group study with no comparison group, so results may be due to chance or other factors. It only included stable patients, so findings may not apply to everyone.

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

18 people

The number who actually took part.

Started

May 2025

Finished

Mar 2026

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: * Adults aged ≥18 years * Receiving hemodialysis with a stable prescription for at least 3 months * At their prescribed dry weight * Provision of written informed consent Exclusion Criteria: * Active cardiovascular disease within the past 3 months * Left ventricular ejection fraction \<40% * Physical and/or cognitive impairment precluding exercise * Blood pressure \>160/110 mmHg

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Conditions

The condition(s) this trial relates to.

end stage renal failure

As listed by the trial registrant

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

End stage cronic kidney disease Hemodialysis

Contacts and locations

Locations

  • Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán

    Mexico City, 14080, Mexico

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