raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:694922

Childhood-onset stress-induced neurodegenerative ataxia-seizure syndrome

Synonyms: CONDSIAS

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Infancy, Neonatal
Status
active

Orphadata ships no English definition for this code.

1

Names in Orphadata languages

9 of 12 languages
LangNameSynonyms
enChildhood-onset stress-induced neurodegenerative ataxia-seizure syndromeCONDSIAS
frSyndrome neurodégénératif-ataxie-épilepsie induit par un stress de l'enfance= en
deStressbedingte Neurodegeneration im Kindesalter mit variabler Ataxie und KrampfanfällenCONDSIAS · Stressinduziertes epileptisches Ataxie-Syndrom mit Beginn im Kindesalter
esSíndrome de ataxia neurodegenerativa-crisis-inducidas por estrés de inicio en la infancia= en
itSindrome atassia neurodegenerativa-crisi epilettiche indotte dallo stress ad esordio infantile= en
nlSyndroom van in de kindertijd optredende stressgeïnduceerde neurodegeneratieve ataxie - insulten= en
ptChildhood-onset stress-induced neurodegenerative ataxia-seizure syndrome
plChildhood-onset stress-induced neurodegenerative ataxia-seizure syndrome= en
csChildhood-onset stress-induced neurodegenerative ataxia-seizure syndrome= en
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM618170Evalidated

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

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (3):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
ADPRSDisease-causing germline mutation(s) inAssessedHGNC:21304ENSG000001168636106241p34.3ADP-ribosylserine hydrolase30100084[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families25 casesWorldwideCase(s)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