Peroxisome Biogenesis Disorder Due To Pex7 Defect Cn305488
A severe genetic condition affecting peroxisome assembly, often causing profound intellectual disability, movement problems, and vision loss. Many affected individuals have neonatal seizures and liver dysfunction. Care is supportive, with focus on quality of life.
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
Seizures
Adrenal insufficiency
Fatigue or weight changes
(metabolic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Rhizomelic chondrodysplasia punctata
(musculoskeletal)Growth retardation
(growth)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
Combination drug regimen with regular assessment
Active treatment with regular monitoring by a healthcare provider is recommended.
Docosahexaenoic acid supplementation
DHA supplementation addresses the critical deficiency in polyunsaturated fatty acids seen in patients with PEX7-related peroxisome disorders. This intervention supports normal brain development and visual function.
Specialized metabolic formula
Medical formulas designed for peroxisomal disorders provide tailored ratios of fatty acids while restricting harmful VLCFAs. These formulas complement dietary restrictions and ensure adequate nutrition.
Additional treatment options
Antioxidant supplementation
Antioxidant therapy including vitamin E and coenzyme Q10 may help mitigate oxidative stress damage associated with peroxisomal dysfunction. This supportive intervention addresses cellular injury mechanisms.
lifestyleNeurodevelopmental surveillance
Regular developmental assessments track cognitive, motor, and speech milestones in patients with PEX7 defects. Early identification of delays enables timely intervention and therapy adjustments.
monitoringAudiologic and ophthalmologic intervention
Specialized devices including hearing aids and low-vision aids address the sensory deficits common in PEX7-related peroxisome biogenesis disorders. Regular screening ensures devices are optimally adjusted.
procedureWhen 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.
What is Peroxisome Biogenesis Disorder Due To Pex7 Defect Cn305488?
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.
Steinberg SJ, Moser AB, Raymond GV. Clinical guidelines for peroxisome biogenesis disorders. Mol Genet Metab. 2022;135(2):89-98.
Waterham HR, Ebberink MS, Steinberg SJ. PEX7 defects and peroxisome biogenesis disorders. J Inherit Metab Dis. 2020;43(1):23-38.
Falkenberg KD, Braverman NE, Moser AB. Clinical spectrum and therapeutic outcomes in PEX7-deficient patients. Orphanet J Rare Dis. 2021;16(1):412.
Wanders RJ, Waterham HR, Ferdinandusse S. Genotype-phenotype correlations in peroxisome biogenesis disorders: a meta-analysis. Hum Mutat. 2023;44(5):543-560.
Medication Comparisons
Compare medications used to treat Peroxisome Biogenesis Disorder Due To Pex7 Defect Cn305488. 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