raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:35710

Glucose-galactose malabsorption

Synonyms: CGGM · Congenital glucose-galactose malabsorption · GGM · SGLT1 deficiency

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

A rare, potentially lethal, autosomal recessive metabolic disease characterized by impaired glucose-galactose absorption resulting in severe watery diarrhea and dehydration with onset in the neonatal period.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enGlucose-galactose malabsorptionCGGM · Congenital glucose-galactose malabsorption · GGM · SGLT1 deficiency
frMalabsorption du glucose-galactoseDéficit en SGLT1 · Malabsorption congénitale du glucose-galactose
deGlukose-Galaktose-MalabsorptionCGGM · GGM · Kongenitale Glukose-Galaktose-Malabsorption · SGLT1-Defizienz
esMalabsorción de glucosa-galactosaCGGM · Deficiencia de SGLT1 · GGM · MGG · Malabsorción congénita de glucosa-galactosa
itMalassorbimento di glucosio-galattosioCGGM · Malassorbimento congenito di glucosio-galattosio · GGM · Deficit di SGLT1
nlGlucose-galactosemalabsorptieCGGM · Congenitale glucose-galactosemalabsorptie · GGM · SGLT1-deficiëntie
ptMá absorção de glucose-galactose
plZaburzenia wchłaniania glukozy i galaktozyNiedobór SGLT1
csMalabsorpce glukózy a galaktózyDeficit SGLT1
ukГлюкозо-галактозна мальабсорбціяДефіцит SGLT1
zh葡葡糖-半乳糖吸收不良症SGLT1缺乏症
trGlukoz-galaktoz malabsorpsiyonuSGLT1 eksikliği

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM606824Evalidated
ICD-10E74.3NTBTinclusionvalidated
ICD-115C61.0Especificvalidated
MONDO0011731Evalidated
MeSHC562602Evalidated
UMLSC0268186Evalidated
GARD6521Evalidated
MedDRA10066388Evalidated

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 (2):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
SLC5A1Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:11036ENSG0000010017018238022q12.3solute carrier family 5 member 18563765[PMID]_12139397[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET_22843301[PMID]
Prevalence at birth1-9 / 1 000 0000.22 / 100 000FranceValue and classValidated23107089[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

15 annotations · validated 2021-01-14
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001944Dehydration
HP:0002014Diarrhea
HP:0001508Failure to thrive
HP:0033310Osmotic diarrhea
HP:0001824Weight loss
Frequent (79-30%)
HP:0003270Abdominal distention
HP:0003228Hypernatremia
HP:0004395Malnutrition
Occasional (29-5%)
HP:0030143Hyperactive bowel sounds
HP:0003072Hypercalcemia
HP:0000787Nephrolithiasis
HP:0000083Renal insufficiency
HP:0002013Vomiting
Very rare (<4-1%)
HP:0001945Fever
HP:0000790Hematuria

Run the differential on the 5 obligate / very frequent terms

Annotation source: 32946683[PMID]_20486940[PMID]

7

Sources for this card