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Childhood-onset spasticity with hyperglycinemia

Disease definition

Childhood-onset spasticity with hyperglycinemia is a rare neurometabolic disease characterized by a childhood onset of progressive spastic ataxia associated with gait disturbances, hyperreflexia, extensor plantar responses and non-ketotic hyperglycinemia typically revealed by biochemical analysis. Additional signs of upper extremity spasticity, dysarthria, learning difficulties, poor concentration, nystagmus, optic atrophy and reduced visual acuity may also be associated.

ORPHA:401866

Classification level: Disorder
  • Synonym(s):
    • Childhood-onset spasticity with variant non-ketotic hyperglycinemia
    • Spasticity-ataxia-gait anomalies syndrome
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal recessive 
  • Age of onset: Childhood
  • ICD-10: E88.8
  • OMIM: 616859
  • UMLS: C4225178
  • MeSH: -
  • GARD: -
  • MedDRA: -

  A summary on this disease is available in Español (2018) Français (2018) Italiano (2018) Nederlands (2018)

Detailed information

General public

Guidelines

ERN produced/endorsed by ERN(s)   FSMR produced/endorsed by FSMR(s)

Additional information

Further information on this disease

Patient-centred resources for this disease

Research activities on this disease

Specialised Social Services

The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.