Synonyms: SCAX4 | X-linked ataxia-dementia syndrome
A rare X-linked spinocerebellar ataxia characterized by ataxia pyramidal tract signs and adult-onset dementia. The disease manifests during early childhood with delayed walking and tremor. The pyramidal signs appear progressively and by adulthood memory problems and dementia gradually become apparent.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version April 2026
Newly diagnosed with
X-linked spinocerebellar ataxia type 4?
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Advocacy Organizations
Ataxia and me
To relieve the needs of sufferers of Ataxia or other neurological disorders, their families and carers for the public benefit by providing patient led support and by raising awareness of such conditions."
Genetic Support Network of Victoria
The Genetic Support Network of Victoria is an organisation that supports people living with genetic, undiagnosed and rare conditions and those who support them including community and families, patient support organisations, health professionals and industry. Our vision is our community flourishing and living their best lives.
KIF1A.ORG
KIF1A.ORG is a global community dedicated to improving the lives of those affected by KIF1A Associated Neurological Disorder (KAND) and accelerating research to find a cure.
National Ataxia Foundation
To accelerate the development of treatments and a cure while working to improve the lives of those living with Ataxia.
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Clinical Trials
For a list of clinical trials in this disease area, please click here.