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Features include always present findings: Spastic gait, Hyperactive patellar reflex, Lower limb hypertonia, and Difficulty walking (gait disturbance) and others; and very common findings: Difficulty standing, Dysarthria, and Dysdiadochokinesis. 38 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Brain and nerves | 13 | Ataxia, Spastic gait, Fasciculations |
Phenotype severity distribution: 7 always present features, 3 very common features, 13 common features.
No clinical trials have been registered for spastic ataxia 11, autosomal dominant.
4 publications have been identified in PubMed for spastic ataxia 11, autosomal dominant. Research spans Epidemiology / Natural History (50%), Case Report / Case Series (25%), and Basic Science / Preclinical (25%).
Hines TJ (2026). [PMID: 41889878](https://pubmed.ncbi.nlm.nih.gov/41889878/). *bioRxiv : the preprint server for biology*. [Basic Science / Preclinical]
Bregant E (2025). [PMID: 40208338](https://pubmed.ncbi.nlm.nih.gov/40208338/). *Human genetics*. [Epidemiology / Natural History]
Li J (2025). [PMID: 40200352](https://pubmed.ncbi.nlm.nih.gov/40200352/). *Orphanet journal of rare diseases*. [Epidemiology / Natural History]
Marelli C (2024). [PMID: 39030458](https://pubmed.ncbi.nlm.nih.gov/39030458/). *Journal of neurology*. [Case Report / Case Series]
Data assembled from 4 of 12 sources · Last updated Sep 20, 2026, 5:50 AM UTC
Online Mendelian Inheritance in Man
Muscles |
8 |
Shrinkage of the cerebellum (cerebellar atrophy), Muscle spasm, Fasciculations |
Arms and legs | 4 | Lower limb muscle weakness, Lower limb hypertonia, Upper limb muscle weakness |
Eyes | 3 | Saccadic smooth pursuit interruptions, Nystagmus, Slowed horizontal saccades |
Digestive system | 2 | Liver scarring (cirrhosis) (cirrhosis), Difficulty swallowing (dysphagia) |
Bones and joints | 2 | Skeletal muscle atrophy, Sideways curvature of the spine (scoliosis) |
Lab test results | 1 | Elevated creatine kinase (muscle enzyme) (elevated circulating creatine kinase concentration) |