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Pedaling while dialysis: simple exercise may strengthen hearts in kidney patients

NCT ID NCT06584734

Symptom relief Sponsor: Instituto Nacional de Cardiologia Ignacio Chavez 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 16-week program of cycling during dialysis sessions could improve heart function in 30 adults with kidney failure and early signs of heart stiffness. Participants first received standard care for 16 weeks, then added supervised cycling during dialysis for another 16 weeks. Researchers measured changes in heart relaxation and pumping ability using echocardiograms.

What this could mean

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

Active substance
intradialytic cycling exercise
What this could lead to
If successful, this could show that simple exercise during dialysis helps protect the heart and improve quality of life for kidney failure patients.
What could go wrong
This is a small, early study with only 30 participants and no random assignment, so results may not apply to all dialysis patients. The exercise program may be too demanding for some.

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

30 people

The number who actually took part.

Started

Sep 2023

Finished

Oct 2024

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 ≥ 18 years * Both genders * Patients currently enrolled in the hemodialysis program at the National Institute of Cardiology unit * Patients on hemodialysis for at least 3 months prior to enrollment * Echocardiographic evidence of left ventricular diastolic dysfunction * Patients with sufficient cognitive ability to understand and follow study instructions * Patients with a good echocardiographic window that allows for the determination of parameters evaluating left ventricular diastolic function * Patients capable of performing stationary cycling during hemodialysis sessions * Patients who agree to participate and provide written informed consent prior to enrollment Exclusion Criteria: * Patients who have had a major cardiovascular event (MI, stroke) in the 3 months prior to the start of the study * Patients who have visited the emergency room for symptoms of decompensated heart failure in the 3 months prior to the start of the study * Patients diagnosed with atrial fibrillation and/or atrial flutter * Patients with a mechanical mitral valve prosthesis * Patients with orthopedic conditions or physical limitations that preclude lower-limb stationary cycling * Pregnant women

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Conditions

The condition(s) this trial relates to.

chronic kidney disease kidney failure

As listed by the trial registrant

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

Aerobic training Diastolic dysfunction Hemodiafiltration Kidney failure Quality of life Renal dialysis

Contacts and locations

Locations

  • Instituto Nacional de Cardiología Ignacio Chávez

    Mexico City, Mexico City, 14080, Mexico

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