Could a gentle zap to the neck ease long COVID fatigue?
NCT ID NCT05445427
First seen Apr 24, 2026 · Last updated Jun 20, 2026 · Updated 6 times
Summary
This pilot study tested whether a non-invasive vagus nerve stimulator can help people with post-COVID syndrome who suffer from fatigue and headaches. Eighteen participants used the device, and researchers measured changes in their functional status and fatigue levels. The goal is to see if this simple, drug-free approach can improve daily life for those with lingering COVID symptoms.
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This is a summary of
the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Mayo Clinic in Rochester
Rochester, Minnesota, 55905, United States
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
non-invasive vagus nerve stimulator
What this could lead to
If it works, this could point toward a simple, drug-free way to manage lingering fatigue and headaches after COVID-19.
What could go wrong
This is a very small pilot study with only 18 people, so results may not apply widely. The device may not work better than a placebo, and benefits could be minor.
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.