Sporadic adult-onset ataxia of unknown etiology

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Sporadic adult-onset ataxia of unknown etiology

Synonyms: Idiopathic late-onset cerebellar ataxia | SAOA

A rare non-hereditary degenerative ataxia disease characterized by a slowly progressive cerebellar syndrome (with ataxia of stance and gait upper limb dysmetria and intention tremor ataxic speech and oculomotor abnormalities) presenting in adulthood (at around 50 years of age) that is not due to a known cause. Extracerebellar symptoms (e.g. decreased vibration sense and absent or decreased ankle reflexes) polyneuropathy and mild autonomic dysfunction may also be present. Mild cognitive impairment has also rarely been reported.

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 December 2023

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Advocacy Organizations

National Ataxia Foundation

The National Ataxia Foundation (NAF) was established in 1957 to help persons with Ataxia and their families. Our mission is to accelerate the development of treatments and a cure while working to improve the lives of those living with Ataxia. NAF’s vision of a world without Ataxia will be accomplished through our primary programs of funding Ataxia research, providing vital programs and services fo

Clinical Trials

For a list of clinical trials in this disease area, please click here.