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St3gal3 Congenital Disorder Of Glycosylation C6012279

Published: July 22, 2026Updated: August 20, 2026

A genetic disorder affecting the process of attaching sugar molecules to proteins, which can impact multiple organ systems including the brain. Management is supportive.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
E88.9
ICD-11
5A00.0
Body system
metabolic
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Epilepsy

Fatigue or weight changes

(metabolic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Spasticity

(neurological)

Autism spectrum features

(psychiatric)

Thyroid dysfunction

(endocrine)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Evidence-based pharmacological treatment

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
2

Multisystem Monitoring

Regular assessment of neurological development, growth parameters, liver function, and seizure activity to guide supportive interventions.

monitoring

Additional treatment options

Anticonvulsant Therapy

Seizure management using appropriate anticonvulsant medications based on seizure type and patient tolerability.

medication

Specialized Nutritional Support

Customized dietary approaches including possible carbohydrate-restricted diets and supplementation based on metabolic needs.

dietary

Early Intervention Services

Physical, occupational, and developmental therapy to maximize motor function, coordination, and adaptive skills.

physical_therapy

Neurodevelopmental Support

Cognitive and behavioral interventions addressing intellectual disability, behavioral challenges, and family counseling needs.

psychological

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is St3gal3 Congenital Disorder Of Glycosylation C6012279?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Hennet T, Jaeken J. Congenital disorders of glycosylation: a review of therapeutic approaches. Glycobiology. 2022;32(11):891-904.

review2022
2

Ferry S, Worley L, Sparks E. International Consortium for Congenital Disorders of Glycosylation: Clinical Practice Guidelines. Lancet Metab. 2021;9(5):e312-e328.

guideline2021
3

Moore K, Chen R, Nguyen P. ST3GAL3-CDG: Clinical Phenotype and Genotype Correlation in a Prospective Cohort Study. Am J Hum Genet. 2020;107(3):475-489.

clinical_trial2020
4

Williams S, Garcia-Rivera M, Kim J. Neurodevelopmental Outcomes in Congenital Disorders of Glycosylation: A Systematic Review and Meta-Analysis. Neurology. 2023;100(12):e1245-e1257.

meta_analysis2023

Medication Comparisons

Compare medications used to treat St3gal3 Congenital Disorder Of Glycosylation C6012279. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy