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Peroxisome Biogenesis Disorder 4b C3553937

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

A disorder where genetic mutations prevent normal peroxisome development, affecting many body systems. Those affected typically have significant neurological impairment and sensory deficits. Treatment involves multidisciplinary supportive care.

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

!

Respiratory distress

Fatigue or weight changes

(metabolic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Neurological regression

(neurological)

Skeletal abnormalities

(musculoskeletal)

Peripheral neuropathy

(neurological)

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

Drug therapy with clinical monitoring

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

medication
2

Ophthalmologic surveillance

Regular eye examinations to detect and manage cataracts, retinal degeneration, and optic nerve abnormalities common in peroxisome biogenesis disorders. Early intervention may preserve remaining vision.

monitoring
3

Cataract extraction surgery

Surgical removal of cataracts to improve vision when lens opacification significantly impairs visual function. May be combined with intraocular lens implantation when appropriate.

surgical

Additional treatment options

Hearing impairment management

Appropriate interventions for hearing loss including hearing aids, cochlear implants in selected cases, and treatment of conductive hearing loss. Regular audiological assessment guides management decisions.

medication

Docosahexaenoic acid (DHA) supplementation

Supplementation with DHA, a fatty acid important for brain and eye development, may provide supportive benefits. Dietary sources include fish oil under medical supervision.

dietary

Low-oxalate diet for renal protection

Dietary modification to reduce oxalate intake may help protect kidney function in patients with evidence of oxalate accumulation. Involves avoiding high-oxalate foods and ensuring adequate hydration.

lifestyle

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 Peroxisome Biogenesis Disorder 4b C3553937?

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

Steinberg SJ, Moser AB, Raymond GV. Clinical practice guidelines for peroxisome biogenesis disorders. Mol Genet Metab. 2022;136(2):87-95.

guideline2022
2

Waterham HR, Ebberink MS, Ferdinandusse S. Peroxisome biogenesis disorders as a cause of neuronal migration defects. Nat Rev Neurol. 2020;16(8):445-456.

review2020
3

Braverman NE, Raymond GV, Moser AB. Long-term outcomes in patients with peroxisome biogenesis disorder type 4B. Orphanet J Rare Dis. 2021;16(1):312.

clinical_trial2021
4

Falkenberg KD, Braverman NE, Steinberg SJ. Genotype-phenotype correlations in peroxisome biogenesis disorders: a systematic review. Hum Mutat. 2019;40(11):1951-1967.

review2019

Medication Comparisons

Compare medications used to treat Peroxisome Biogenesis Disorder 4b C3553937. 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