Swimming study tests gentle exercise for chronic fatigue sufferers
NCT ID NCT07454395
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This pilot study looks at whether light, self-paced swimming is a tolerable activity for people with ME/CFS and related conditions like Long COVID and fibromyalgia. Participants will swim for 15-30 minutes at their own pace and track symptoms and heart rate variability using an app. The goal is to see if swimming causes less post-exertional malaise than cycling, due to the supportive effects of water immersion.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- swimming
- What this could lead to
- If successful, this could show that light swimming is a safe, tolerable activity for people with ME/CFS, potentially informing future exercise guidelines.
- What could go wrong
- This is a small, early pilot study with only 50 participants, and it is currently suspended. Results may not apply to all patients, and swimming could still trigger post-exertional malaise in some individuals.
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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
-
Simon Fraser University
Burnaby, British Columbia, V5A 1S6, Canada
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