Can pedaling during dialysis make red blood cells more flexible?
NCT ID NCT06575634
First seen Sep 16, 2026 · Last updated Sep 17, 2026 · Updated 1 time
Summary
Researchers are testing whether supervised exercise can change how red blood cells behave in people with end-stage kidney disease who receive hemodialysis. About 180 participants will cycle during dialysis sessions three times a week for six months, then exercise at home for three months. The study measures red blood cell deformability and clumping, along with fitness and oxygen use, to see if exercise affects blood flow properties.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- supervised exercise training, including cycling during dialysis and at home
- What this could lead to
- If exercise improves how red blood cells flow, it could offer a low-cost way to help people on dialysis feel better and reduce heart strain.
- What could go wrong
- This is a small, single-center study, and any changes in blood cell behavior may not translate into real health benefits. Exercise during dialysis carries risks like low blood pressure or fatigue, and some participants may not stick with the program.
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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.
- Started
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Aug 2022
- Expected to finish
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Jul 2025
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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20 to 80 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: * Receiving hemodialysis and medication at least for 6 weeks * Kt/V score \> 1.2 Exclusion Criteria: * Under 20 years-old * Hyperkalemia occurs within 3 month * Having orthopedic or muscular diseases * Other concerned medical, psychological or physiological diseases * Pregnancy * Other exercise contraindications
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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.
Contacts and locations
Locations
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Chang Gung University
Taoyuan, Taoyuan, 333, Taiwan
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