raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:79269

Sanfilippo syndrome type A

Synonyms: Heparan sulfamidase deficiency · MPS3A · MPSIIIA · Mucopolysaccharidosis type 3A · Mucopolysaccharidosis type IIIA

Type
Etiological subtype
Group
Subtype of disorder
Inheritance
Autosomal recessive
Status
active

This disease is described under Mucopolysaccharidosis type 3

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enSanfilippo syndrome type AHeparan sulfamidase deficiency · MPS3A · MPSIIIA · Mucopolysaccharidosis type 3A · Mucopolysaccharidosis type IIIA
frMaladie de Sanfilippo type ADéficit en héparane sulfamidase · MPS3A · MPSIIIA · Mucopolysaccharidose type 3A · Mucopolysaccharidose type IIIA
deSanfilippo-Krankheit Typ AHeparan-Sulfamidase-Mangel · MPS3A · MPSIIIA · Mukopolysaccharidose Typ 3A · Mukopolysaccharidose Typ IIIA
esSíndrome de Sanfilippo tipo ADeficiencia de heparán sulfamidasa · MPS3A · MPSIIIA · Mucopolisacaridosis tipo 3A · Mucopolisacaridosis tipo IIIA
itSindrome di Sanfilippo, tipo ADeficit di eparan-sulfamidasi · MPS3A · MPSIIIA · Mucopolisaccaridosi, tipo 3A · Mucopolisaccaridosi, tipo IIIA
nlSyndroom van Sanfilippo type AHeparaansulfamidasedeficiëntie · MPS3A · MPSIIIA · Mucopolysacharidose type 3A · Mucopolysacharidose type IIIA
ptSíndrome Sanfilippo tipo A (Mucopolissacaridose tipo 3A)
plZespół Sanfilippo typu AMPS3A · MPSIIIA · Mukopolisacharydoza typu 3A · Mukopolisacharydoza typu IIIA · Niedobór sulfamidazy heparanu
csSanfilippův syndrom, typ ADeficit heparansulfamidázy · MPS3A · MPSIIIA · Mukopolysacharidóza, typ 3A · Mukopolysacharidóza, typ IIIA
ukСиндром Санфіліппо, тип АДефіцит гепарансульфамідази · MPS3A · MPSIIIA · Мукополісахаридоз типу 3А · Мукополісахаридоз типу IIIА
zhSanfilippo综合征A型黏多糖贮积症IIIA型
trSanfilippo sendromu tip AMPS3A · MPSIIIA · Mukopolisakkaridoz tip 3A · Heparan sülfamidaz eksikliği · Mukopolisakkaridoz tip IIIA
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM252900Evalidated
ICD-10E76.2NTBTattributedvalidated
ICD-115C56.3YNTBTindexvalidated
MONDO0009655Evalidated
UMLSC0086647Evalidated
GARD7071Evalidated

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):

  • ORPHA:581Mucopolysaccharidosis type 3
    rare developmental anomalies during embryogenesis; rare inborn errors of metabolism; rare genetic diseases; rare neurological diseases; rare ophthalmic disorders; rare bone diseases; rare transplant-related disorders

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
SGSHDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:10818ENSG0000018152360527017q25.3N-sulfoglucosamine sulfohydrolase15146460[PMID]
5

Prevalence and incidence

9 records
TypeClassValueAreaQualificationValidationSource
Point prevalence1-9 / 1 000 0000.32 / 100 000EuropeValue and classValidatedEuropean Medicines Agency 2014[OTHER]
Prevalence at birth1-9 / 100 0001.16 / 100 000NetherlandsValue and classValidated10480370[PMID]
Prevalence at birth1-9 / 1 000 0000.88 / 100 000AustraliaValue and classValidated9918480[PMID]
Prevalence at birth1-9 / 1 000 0000.47 / 100 000Czech RepublicValue and classValidated20490927[PMID]
Prevalence at birth1-9 / 100 0001.62 / 100 000EstoniaValue and classValidated22480138[PMID]
Prevalence at birth1-9 / 100 0001.4 / 100 000WorldwideValue and classValidated[EXPERT]
Prevalence at birth1-9 / 1 000 0000.62 / 100 000SwedenValue and classValidated25274184[PMID]
Point prevalence<1 / 1 000 0000.052 / 100 000United StatesValue and classValidated34051828[PMID]
Prevalence at birth1-9 / 1 000 0000.19 / 100 000United StatesValue and classValidated34051828[PMID]

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