raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2237

Hypoparathyroidism-sensorineural deafness-renal disease syndrome

Synonyms: Barakat syndrome · HDR syndrome · Hypoparathyroidism-sensorineural hearing loss-renal disease syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
All ages
Status
active

Hypoparathyroidism-sensorineural deafness-renal disease syndrome is a rare, clinically heterogeneous genetic disorder characterized by the triad of hypoparathyroidism (H), sensorineural deafness (D) and renal disease (R).

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHypoparathyroidism-sensorineural deafness-renal disease syndromeBarakat syndrome · HDR syndrome · Hypoparathyroidism-sensorineural hearing loss-renal disease syndrome
frSyndrome d'hypoparathyroïdie-surdité neurosensorielle-dysplasie rénaleSyndrome HDR · Syndrome de Barakat
deHypoparathyreoidismus-sensorineurale Schwerhörigkeit-Nierendysplasie-SyndromBarakat-Syndrom · HDR-Syndrom
esSíndrome de hipoparatiroidismo-sordera neurosensorial-enfermedad renalSíndrome HDR · Síndrome de Barakat · Síndrome de hipoparatiroidismo-hipoacusia neurosensorial-enfermedad renal
itIpoparatiroidismo - sordità - malattia renaleSindrome HDR · Sindrome di Barakat
nlHypoparathyreoïdie - sensorineurale doofheid - nierziekte-syndroomHDR-syndroom · Hypoparathyreoïdie - sensorineuraal gehoorverlies - nierziekte-syndroom · Syndroom van Barakat
ptSíndrome de hipoparatiroidismo-surdez neurossensorial-doença renalSíndrome Barakat · Síndrome HDR
plNiedoczynność przytarczyc - głuchota - choroba nerekZespół Barakata · Zespół HDR
csSyndrom zahrnující hypoparatyreózu, hluchotu a renální onemocněníHDR syndrom · Barakatův syndrom
ukСиндром гіпопаратиреозу - сенсоневральної глухоти - ниркової недостатностіСиндром Бараката · HDR-синдром · Синдром гіпопаратиреозу - сенсоневральної приглухуватості - ниркової недостатності
zh甲状旁腺功能减退-感音神经性耳聋-肾功能障碍甲状旁腺功能减退-感音神经性听力损失-肾脏病综合征
trHipoparatiroidi-sensörinöral sağırlık-böbrek hastalığı sendromuHDR sendromu · Barakat sendromu · Hipoparatiroidi-sensörinöral işitme kaybı-böbrek hastalığı sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM146255Evalidated
ICD-10Q87.8NTBTattributedvalidated
ICD-11LD27.0YNTBTindexvalidated
MONDO0007797Evalidated
MeSHC537907Evalidated
UMLSC1840333Evalidated
GARD2911Evalidated
MedDRA10075281Evalidated

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 (4):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
GATA3Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:4172ENSG0000010748513132010p14GATA binding protein 310935639[PMID]_21120445[PMID]_23757620[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET
Cases/families180 casesWorldwideCase(s)Validated29663634[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

22 annotations · validated 2017-05-29
HPOTerm (as annotated by Orphanet)Diagnostic
Obligate (100%)
HP:0000829Hypoparathyroidism
HP:0000408Progressive sensorineural hearing impairment
HP:0000110Renal dysplasia
Frequent (79-30%)
HP:0000126Hydronephrosis
HP:0002901Hypocalcemia
HP:0002199Hypocalcemic seizures
HP:0000860Parathyroid hypoplasia
HP:0000113Polycystic kidney dysplasia
HP:0000083Renal insufficiency
HP:0000122Unilateral renal agenesis
HP:0000076Vesicoureteral reflux
Occasional (29-5%)
HP:0000819Diabetes mellitus
HP:0001153Septate vagina
HP:0003762Uterus didelphys
Very rare (<4-1%)
HP:0001627Abnormal heart morphology
HP:0011840Abnormality of T cell physiology
HP:0000151Aplasia of the uterus
HP:0000175Cleft palate
HP:0003765Psoriasiform dermatitis
HP:0000510Rod-cone dystrophy
HP:0008850Severe postnatal growth retardation
HP:0000148Vaginal atresia

Run the differential on the 3 obligate / very frequent terms

Annotation source: 874665[PMID]_19659764[PMID]_1522843[PMID]

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Sources for this card