raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:692173

Marbach-Schaaf neurodevelopmental syndrome

Synonyms: Global developmental delay-hypotonia-high pain tolerance syndrome · MASNS

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
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
enMarbach-Schaaf neurodevelopmental syndromeGlobal developmental delay-hypotonia-high pain tolerance syndrome · MASNS
frSyndrome neurodéveloppemental de Marbach-SchaafMASNS · Syndrome de retard global du développement-hypotonie-tolérance élevée à la douleur · Syndrome du neuro-développement de Marbach-Schaaf
deMarbach-Schaaf-SyndromMASNS · PRKAR1B-assoziierte neurologische Entwicklungsstörung · Syndrom der globale Entwicklungsverzögerung mit Hypotonie und hoher Schmerztoleranz
esSíndrome de Marbach-Schaaf del neurodesarrolloMASNS · Síndrome de retraso global del desarrollo-hipotonía-alta tolerancia al dolor
itMalattia del neurosviluppo di Marbach-SchaafSindrome ritardo dello sviluppo globale-ipotonia-elevata tolleranza al dolore · MASNS
nlNeurologisch ontwikkelingssyndroom van Marbach-SchaafAlgehele ontwikkelingsachterstand - hypotonie - hoge pijntolerantie-syndroom · MASNS
ptSíndrome Marbach-Schaaf do neurodesenvolvimentoMASNS · Síndrome de atraso global do desenvolvimento-hipotonia-elevada tolerância à dor
plZespół neurorozwojowy Marbacha-Schaafa= en
csMarbach-Schaafův neurovývojový syndromMarbachův-Schaafův neurovývojový syndrom
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM619680Evalidated

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 (1):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
PRKAR1BDisease-causing germline mutation(s) inAssessedHGNC:9390ENSG000001881911769117p22.3protein kinase cAMP-dependent type I regulatory subunit beta33833410[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families13 casesWorldwideCase(s)Validated33833410[PMID]_35789103[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated33833410[PMID]_35789103[PMID]_ORPHANET

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