raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:217055

Autosomal recessive intermediate Charcot-Marie-Tooth disease type A

Synonyms: RI-CMT type A

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Childhood
Status
active

A subtype of autosomal recessive intermediate Charcot-Marie-Tooth (CMT) disease characterized by severe, early childhood-onset CMT neuropathy with prominent pes equinovarus deformity and impairment of hand muscles. Nerve conduction velocities usually range between 25-35 m/s and both axonal and demyelinating changes are observed on peripheral nerve pathology.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAutosomal recessive intermediate Charcot-Marie-Tooth disease type ARI-CMT type A
frMaladie de Charcot-Marie-Tooth intermédiaire autosomique récessive type A= en
deCharcot-Marie-Tooth-Krankheit, autosomal-rezessive, intermediäre, Typ A
esEnfermedad de Charcot-Marie-Tooth intermedia autosómica recesiva tipo ARI-CMT tipo A
itMalattia di Charcot-Marie-Tooth autosomica recessiva intermedia tipo ARI-CMT, tipo A
nlAutosomaal recessieve intermediaire ziekte van Charcot-Marie-Tooth type A= en
ptDoença de Charcot-Marie-Tooth intermédia autossómica recessiva tipo A
plAutosomalna recesywna pośrednia choroba Charcota, Mariego i Tootha typu ARI-CMT typu A
csAutozomálně recesivní středně pokročilá Charcotova-Marieova-Toothova nemoc, typ ARI-CMT typ A · Autozomálně recesivní středně pokročilá Charcot-Marie-Toothova nemoc, typ A
ukАутосомно-рецесивна помірно виражена хвороба Шарко-Марі-Тута, тип АRI-CMT тип A
zh常染色体隐性遗传中间型夏科-马里-图斯病6型RI-CMT A型
trOtozomal resesif geçişli Charcot-Marie-Tooth hastalığı tip ARI-CMT A tipi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM608340Evalidated
ICD-10G60.0NTBTattributedvalidated
ICD-118C20.2NTBTindexvalidated
MONDO0012014Evalidated
UMLSC4750774Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

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Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
GDAP1Disease-causing germline mutation(s) inAssessedHGNC:15968ENSG000001043816065988q21.11ganglioside induced differentiation associated protein 112566285[PMID]_12499475[PMID]
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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families8 familiesWorldwideFamily(ies)ValidatedORPHANET
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card