raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:600731

Clark-Baraitser syndrome

Type
Malformation syndrome
Group
Disorder
Age of onset
Childhood, Infancy, Neonatal
Status
active

A rare genetic multiple congenital anomalies/dysmorphic syndrome characterized by intellectual disability, obesity, macrocephaly, behavioral abnormalities (such as aggressive tantrums and autistic-like behavior), and delayed speech development. Dysmorphic facial features include large, square forehead, prominent supraorbital ridges, broad nasal tip, large ears, prominent lower lip, and minor dental anomalies such as small upper lateral incisors and central incisor gap.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enClark-Baraitser syndrome
frSyndrome de Clark-Baraitser
deClark-Baraitser-Syndrom
esSíndrome de Clark-Baraitser
itSindrome di Clark-Baraitser
nlSyndroom van Clark-Baraitser
ptSíndrome Clark-Baraitser
plZespół Clarka i Baraitsera
csClark-Baraitserův syndrom
ukСиндром Кларка-Барайзера
zhClark-Baraitser syndrome
trClark-Baraitser syndrome

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM617752NTBTvalidated
ICD-10Q87.8NTBTattributedvalidated
MONDO0030914Evalidated
MeSHC536208Evalidated
UMLSC2931130Evalidated
GARD9994Evalidated

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

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families8 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