High-Altitude living linked to fatal brain disorder in massive study
NCT ID NCT07657520
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study follows 20,000 healthy Chinese adults aged 40-75 living at various altitudes to see if chronic low oxygen levels increase the risk of multiple system atrophy (MSA), a rare and fatal brain disease. Participants undergo checkups and overnight oxygen monitoring, then are tracked for one year for new MSA diagnoses. The goal is to validate whether long-term exposure to high-altitude hypoxia is a risk factor for this condition.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
What this could lead to
If this study confirms a link, it could point toward ways to prevent or predict multiple system atrophy in people living at high altitudes.
What could go wrong
This is an observational study, so it cannot prove cause and effect. The 12-month follow-up is short for a slowly developing disease, and results may not apply to other ethnic groups.
Disclaimer
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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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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
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Locations
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West China Hospital of Sichuan University
Chengdu, Sichuan, China