New exercise study aims to fight fatigue in kidney disease
NCT ID NCT04397159
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether a combination of flywheel resistance and aerobic exercise can reduce fatigue and improve muscle function in veterans with chronic kidney disease who are not yet on dialysis. Researchers will measure changes in leg muscle endurance, perceived exhaustion, and blood flow. The study enrolls 30 participants aged 50 and older.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- flywheel resistance plus aerobic exercise
- What this could lead to
- If it works, this could point toward a simple exercise program to help veterans with kidney disease feel less tired and move better.
- What could go wrong
- This is a small, early study with only 30 participants, so results may not apply to everyone. Exercise may be hard for some to complete.
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
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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 30 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2022
- Expected to finish
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Apr 2027
An estimate. End dates often move.
- Lead sponsor
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A government agency
The lead sponsor is a US federal agency other than the NIH.
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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50 to 85 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: * Ambulatory (with or without a gait aid), 50 years of age or older diagnosed with chronic kidney disease (CKD) stages 3 \& 4 predialysis (as defined by eGFR 59-15 ml/min per 1.73m2) * Control group will include ambulatory individuals without clinical evidence of kidney disease (defined by eGRF \>60 ml/min per 1.73m2) within the last 12-months * All participants must be able to speak and read English, and demonstrate orientation to person, place, and time Exclusion Criteria: * adults diagnosed with acute renal failure/injury within the last 12-months * non-ambulatory individuals * adults who do not use the DC VAMC as their main site for renal care * those who have any uncontrolled cardiovascular * musculoskeletal disease * or other conditions that, in the opinion of the principal investigator, could make participation in the study unsafe * any orthopedic or joint pain which would prevent the participant from safely engaging in the study protocol * additionally, individuals with plans to relocate from the DC metro area within one year will not be eligible for the intervention portion of the study
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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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Washington DC VA Medical Center, Washington, DC
RECRUITINGWashington D.C., District of Columbia, 20422-0001, United States