ICD I67.5ORPHA:2573

Moyamoya Disease

Moyamoya disease is a rare condition in which the large arteries at the base of the brain slowly narrow, and a network of small, fragile vessels forms to compensate. It can cause strokes, mini-strokes and seizures in children and adults. Treatment includes surgery to improve blood flow to the brain and medicines to lower stroke risk.

605
Articles
38
Trials (1 AU)
Updated
10 September 2026
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Common Questions

What is Moyamoya Disease?

Moyamoya disease is a rare condition in which the large arteries at the base of the brain slowly narrow, and a network of small, fragile vessels forms to compensate. It can cause strokes, mini-strokes and seizures in children and adults. Treatment includes surgery to improve blood flow to the brain and medicines to lower stroke risk.

How many clinical trials are available for Moyamoya Disease?

RareWays currently indexes 38 clinical trials for Moyamoya Disease, of which 21 are actively recruiting. Trial availability changes as new studies are registered — check the trials tab for current status.

Where does the research data for Moyamoya Disease come from?

RareWays aggregates research from PubMed, Europe PMC, OpenAlex, and ClinicalTrials.gov. Data is updated regularly by Rocky, RareWays' automated research engine. All articles and trials link directly to their original sources.

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This information is for general awareness only.

For guidance specific to your situation, please speak with your healthcare team.