Scientists observe rare brain virus to unlock its secrets
NCT ID NCT01730131
First seen Nov 01, 2025 · Last updated May 22, 2026 · Updated 21 times
Summary
This study aims to learn more about progressive multifocal leukoencephalopathy (PML), a rare and serious brain infection caused by the JC virus. Researchers will follow up to 700 people with suspected or confirmed PML over time, collecting samples and scans to track how the disease progresses. No treatment is given; the goal is to better understand the disease to improve future care.
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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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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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National Institutes of Health Clinical Center
RECRUITINGBethesda, Maryland, 20892, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
Conditions
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