Could a simple breathing device clear long COVID brain fog?
NCT ID NCT06928506
First seen Nov 01, 2025 · Last updated May 22, 2026 · Updated 28 times
Summary
This study tests a device called Hi-OxSR that lets people briefly rebreathe their own carbon dioxide. Early results suggest it may reduce brain fog and fatigue in people with Long COVID. The trial will enroll 120 adults to find the best dose and check safety.
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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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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Centre Hospitalier Universitaire de Sherbrooke
NOT_YET_RECRUITINGSherbrooke, Quebec, Canada
Contact Email: •••••@•••••
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Kaye Edmonton Clinic
NOT_YET_RECRUITINGEdmonton, Alberta, Canada
Contact Email: •••••@•••••
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University Health Network
RECRUITINGToronto, Ontario, M5G 2C4, Canada
Contact Phone: •••-•••-•••• Email: •••••@•••••
Conditions
Explore the condition pages connected to this study.