raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:71212

Hyperinsulinism due to short chain 3-hydroxylacyl-CoA dehydrogenase deficiency

Synonyms: Hyperinsulinemic hypoglycemia due to short chain 3-hydroxylacyl-CoA dehydrogenase deficiency · Hyperinsulinism due to SCHAD deficiency · Hyperinsulinism due to glutamodehydrogenase deficiency · SCHAD deficiency

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

A rare form of congenital diazoxide-sensitive diffuse hyperinsulinism due to short chain 3 hydroxylacyl-CoA dehydrogenase (SCHAD; <i>HADH</i> gene) deficiency and characterized by hyperinsulinemic hypoglycemia with seizures and reported to respond well to diazoxide. It presents with the classical manifestations of hyperinsulinemic hypoglycemia. Exceptional complications include sudden death, and in one case fulminant hepatic failure.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHyperinsulinism due to short chain 3-hydroxylacyl-CoA dehydrogenase deficiencyHyperinsulinemic hypoglycemia due to short chain 3-hydroxylacyl-CoA dehydrogenase deficiency · Hyperinsulinism due to SCHAD deficiency · Hyperinsulinism due to glutamodehydrogenase deficiency · SCHAD deficiency
frHyperinsulinisme par déficit en 3-hydroxylacyl-CoA déshydrogénase des acides gras à chaîne courteDéficit en SCHAD · Hyperinsulinisme par déficit en SCHAD · Hyperinsulinisme par déficit en glutamodéshydrogénase · Hypoglycémie hyperinsulinémique par déficit en en 3-hydroxylacyl-CoA déshydrogénase des acides gras à chaîne courte
deHyperinsulinismus durch Kurzketten-3-Hydroxyacyl-CoA-Dehydrogenase-MangelHyperinsulinismus durch Glutamatdehydrogenase-Mangel · Hyperinsulinismus durch SCHAD-Mangel · Hyperinsulinämische Hypoglykämie durch Kurzketten-3-Hydroxyacyl-CoA-Dehydrogenase-Mangel · SCHAD-Mangel
esHiperinsulinismo por deficiencia de 3-hidroxilacil-CoA deshidrogenasa de cadena cortaDeficiencia de HADH · Deficiencia de SCHAD · Hiperinsulinismo por deficiencia de HADH · Hiperinsulinismo por deficiencia de SCHAD · Hiperinsulinismo por deficiencia de glutamodeshidrogenasa · Hipoglucemia hiperinsulinémica por deficiencia de 3-hidroxilacil-CoA deshidrogenasa de cadena corta
itIperinsulinismo da deficit di 3-idrossiacil-CoA deidrogenasi a catena cortaIperinsulinismo da deficit di 3-idrossiacil-CoA deidrogenasi a catena corta · Iperinsulinismo da deficit di HADH · Iperinsulinismo da deficit di SCHAD · Iperinsulinismo da deficit di glutammato deidrogenasi · Ipoglicemia iperinsulinemica da deficit di 3-idrossiacil-CoA deidrogenasi · Ipoglicemia iperinsulinemica da deficit di 3-idrossilacil-CoA deidrogenasi a catena corta
nlHyperinsulinisme door deficiëntie van korte-keten-3-hydroxylacyl-CoA-dehydrogenaseHyperinsulinemische hypoglycemie door deficiëntie van korte-keten-3-hydroxylacyl-CoA-dehydrogenase · Hyperinsulinisme door deficiëntie van SCHAD · Hyperinsulinisme door deficiëntie van glutamodehydrogenase · SCHAD-deficiëntie
ptDeficiência de 3-hidroxilacil-CoA desidrogenaseDeficiência de 3-hidroxiacil-CoA desidrogenase de cadeias média e curtas · Deficiência de HAD · M/SCHAD
plHiperinsulinizm spowodowany niedoborem dehydrogenazy 3-hydroksyacyl-CoANiedobór SCHAD · Hiperinsulinizm spowodowany niedoborem SCHAD · Hiperinsulinizm spowodowany niedoborem glutamodehydrogenazy · Hiperinsulinizm spowodowany niedoborem dehydrogenazy krótkich łańcuchów 3-hydroksyacylo-CoA · Hiperinsulinizm spowodowany niedoborem dehydrogenazy 3-hydroksyacyl-CoA
csHyperinzulinismus způsobený deficitem dehydrogenázy 3-hydroxyacyl-CoA s krátkým řetězcemDeficit HADH · Deficit SCHAD · Hyperinzulinemická hypoglykémie způsobená deficitem dehydrogenázy 3-hydroxyacyl-CoA s krátkým řetězcem · Hyperinzulinismus způsobený deficitem HADH · Hyperinzulinismus způsobený deficitem SCHAD · Hyperinzulinismus způsobený deficitem glutamátdehydrogenázy
ukГіперінсулінізм внаслідок дефіциту коротколанцюгової 3-гідроксилацил-КоА-дегідрогеназиГіперінсулінемічна гіпоглікемія внаслідок дефіциту коротколанцюгової 3-гідроксилацил-КоА-дегідрогенази · Гіперінсулінізм через дефіцит глутамодегідрогенази · Гіперінсулінізм через дефіцит SCHAD · Дефіцит SCHAD
zh短链3-羟酰CoA脱氢酶缺乏所致高胰岛素血症谷氨酸脱氢酶缺乏所致高胰岛素血症
trKısa zincirli 3-hidroksilaçil-KoA dehidrojenaz eksikliğine bağlı hiperinsülinizmKısa zincirli 3-hidroksilasil-CoA dehidrojenaz eksikliğine bağlı hiperinsülinemik hipoglisemi · SCHAD eksikliği · SCHAD eksikliğine bağlı hiperinsülinizm · Glutamodehidrojenaz eksikliğine bağlı hiperinsülinizm

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM231530NTBTvalidated
OMIM609975Evalidated
ICD-10E71.3NTBTattributedvalidated
ICD-115C52.01NTBTindexvalidated
UMLSC4303473Evalidated
GARD9870Evalidated

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.

Codes that Orphanet moved or referred to this one:

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
HADHDisease-causing germline mutation(s) inAssessedHGNC:4799ENSG000001387966016094q25hydroxyacyl-CoA dehydrogenase
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families10 casesWorldwideCase(s)ValidatedORPHANET
Point prevalence<1 / 1 000 000—EuropeClass onlyNot yet validatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

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HPO phenotypes

36 annotations · validated 2017-09-13
HPOTerm (as annotated by Orphanet)Diagnostic
Obligate (100%)
HP:0100950Decreased 3-hydroxyacyl-CoA dehydrogenase level
Very frequent (99-80%)
HP:0012071Abnormality of acetylcarnitine metabolism
HP:0001289Confusion
HP:0002014Diarrhea
HP:0003215Dicarboxylic aciduria
HP:0002910Elevated circulating hepatic transaminase concentration
HP:0008283Fasting hyperinsulinemia
HP:0001397Hepatic steatosis
HP:0000825Hyperinsulinemic hypoglycemia
HP:0006929Hypoglycemic encephalopathy
HP:0002173Hypoglycemic seizures
HP:0001985Hypoketotic hypoglycemia
HP:0030796Increased C-peptide level
HP:0030781Increased circulating free fatty acid level
HP:0001511Intrauterine growth retardation
HP:0001254Lethargy
HP:0001998Neonatal hypoglycemia
HP:0001319Neonatal hypotonia
HP:0003508Proportionate short stature
HP:0002013Vomiting
Occasional (29-5%)
HP:0003234Decreased circulating carnitine concentration
HP:0001508Failure to thrive
HP:0008872Feeding difficulties in infancy
HP:0001987Hyperammonemia
HP:0003128Lactic acidosis
HP:0008180Mildly elevated creatine kinase
HP:0001270Motor delay
HP:0009830Peripheral neuropathy
HP:0000580Pigmentary retinopathy
HP:0008151Prolonged prothrombin time
Very rare (<4-1%)
HP:0006554Acute hepatic failure
HP:0001644Dilated cardiomyopathy
HP:0002605Hepatic necrosis
HP:0001639Hypertrophic cardiomyopathy
HP:0002913Myoglobinuria
HP:0001657Prolonged QT interval

Run the differential on the 12 obligate / very frequent terms

Annotation source: 21967988[PMID]_904979[PMID]_904979[PMID]_1835339[PMID]_8736409[PMID]_10347277[PMID]_10931422[PMID]_11489939[PMID]_12400064[PMID]_14693719[PMID]_16176262[PMID]_23430856[PMID]_25141826[PMID]

7

Sources for this card