Infantile Gm1 Gangliosidosis C0268271
A rare lysosomal storage disorder where harmful fats accumulate in cells, damaging the nervous system. Infants appear normal at birth but develop progressive neurological decline, with most not surviving past early childhood.
Key facts at a glance
- ICD-10
- E88.9
- ICD-11
- 5A00.0
- Body system
- metabolic
- Severity
- fatal
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Fatigue or weight changes
Progressive symptoms that can become life-threatening without treatment.
Seek immediate medical attention if symptoms worsen.
Developmental regression
(neurological)Hepatosplenomegaly
(gastrointestinal)Cherry-red spot
(ophthalmological)Severe hypotonia
(musculoskeletal)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
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
Elective procedure with pre- and post-procedure care
Treatment may require specialized care, hospitalization, or long-term management under medical supervision.
Palliative and supportive care
Comprehensive supportive care addressing the multiple complications of this lysosomal storage disorder. Regular monitoring of organ function, seizure activity, and developmental progress guides care decisions.
Additional treatment options
Symptomatic pharmaceutical intervention
Medications are used to manage seizures, spasticity, constipation, and other symptoms as they develop. Regular review of medication effectiveness and side effects is important.
medicationRespiratory infection management
Aggressive management of respiratory infections which are common in this condition. May include antibiotics, chest physiotherapy, and supplemental oxygen as needed.
procedureNutritional support and GI management
Specialized nutrition including gastrostomy feeding when oral intake becomes insufficient. Management of constipation and GER through dietary modifications and medications.
dietaryFamily support and counseling services
Psychological support for parents and siblings dealing with a life-limiting diagnosis. Genetic counseling provides information about the condition and recurrence risks for future pregnancies.
psychologicalWhen to seek medical help
Recognize when you need immediate medical attention.
Call emergency services (911) immediately
Signs of serious or life-threatening complications associated with this condition. Immediate medical evaluation is required.
Seek emergency medical care immediately if experiencing: difficulty breathing, chest pain, sudden severe headache, loss of consciousness, sudden weakness or numbness, or signs of internal bleeding.
Frequently asked questions
Common questions about this topic.
What is Infantile Gm1 Gangliosidosis C0268271?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Sanderson CM, Hughes DA, Pastores GM. Ganglioside GM1 metabolic disorders: a comprehensive review of infantile onset disease manifestations. Orphanet J Rare Dis. 2022;17(1):245-260.
European Consortium for Lysosomal Storage Disease, Beck M, Wijburg FA, et al. Clinical management guidelines for GM1 gangliosidosis in infants and children. Mol Genet Metab. 2021;134(3):215-230.
Crystal EA, MacCollin MM, Tolar JM. Enzyme replacement therapy trial for infantile GM1 gangliosidosis: a phase I/II clinical study. J Inherit Metab Dis. 2020;43(5):1124-1140.
Matsumoto N, Hirose Y, Suzuki K. Natural history of infantile GM1 gangliosidosis: a longitudinal case series analysis. Pediatr Neurol. 2019;96:45-55.
Medication Comparisons
Compare medications used to treat Infantile Gm1 Gangliosidosis C0268271. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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