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CLCN4-related X-linked intellectual disability syndrome

Disease definition

A rare X-linked syndromic intellectual disability characterized by intellectual disability of variable degree, behavioral anomalies (including autism, mood disorders, obsessive-compulsive behavior, and hetero- and auto-aggression), and epilepsy. Progressive neurological symptoms like movement disorders and spasticity, as well as subtle dysmorphic features have also been reported. Heterozygous females may be as severely affected as males.


Classification level: Disorder
  • Synonym(s):
    • Raynaud-Claes syndrome
  • Prevalence: <1 / 1 000 000
  • Inheritance: -
  • Age of onset: Infancy, Childhood
  • ICD-10: F78.1
  • ICD-11: LD90
  • OMIM: 300114
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -

Detailed information

Disease review articles

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