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

NCT ID NCT06584734

Completed Symptom relief Sponsor: Instituto Nacional de Cardiologia Ignacio Chavez Source: ClinicalTrials.gov ↗

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.

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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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