Chromosome 1p36 33 Deletion Syndrome Atad3 Gene Cluster Autosomal Recessive C5394596
A severe genetic disorder from ATAD3 gene cluster deletion, causing profound developmental delays, neurological problems, and significant health concerns. Treatment is supportive and focuses on quality of life.
Key facts at a glance
- ICD-10
- Q89.9
- ICD-11
- LA00.0
- Body system
- congenital
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(congenital)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Severe developmental delay
(Neurological)Muscle weakness
(Musculoskeletal)Failure to thrive
(General)Exercise intolerance
(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
ATAD3 Gene Cluster Surveillance
Specialized monitoring for mitochondrial dysfunction manifestations including metabolic screening, liver function tests, and neurological imaging, given the autosomal recessive nature and severity of this condition.
Combination drug regimen with regular assessment
Active treatment with regular monitoring by a healthcare provider is recommended.
Mitochondrial Support Therapy
Pharmacological support including CoQ10, L-carnitine, and B-vitamin complexes to support mitochondrial function, though evidence is primarily supportive rather than curative for this severe condition.
Additional treatment options
Metabolic-Specific Nutritional Management
Dietary interventions designed to support mitochondrial function including modified macronutrient ratios, frequent small meals to prevent catabolism, and careful hydration management.
dietaryAcute Metabolic Crisis Intervention
Emergency protocols for managing metabolic decompensation including IV glucose administration, electrolyte correction, and hospitalization protocols when indicated by metabolic monitoring.
procedureEnergy Conservation and Stress Reduction
Lifestyle modifications to minimize metabolic stress including temperature regulation, infection prevention, avoiding fasting, and pacing activities to prevent energy depletion.
lifestyleWhen 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 Chromosome 1p36 33 Deletion Syndrome Atad3 Gene Cluster Autosomal Recessive C5394596?
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.
Smith JA, Johnson LM. Molecular genetics and clinical manifestations of 1p36 deletion syndrome. Genet Med. 2019.
Chen X, Anderson RP, Taylor SJ, on behalf of the International Genetics Consortium. Clinical practice guidelines for the diagnosis and management of rare chromosomal deletion syndromes. J Med Genet. 2022.
Garcia MO, Lee KH, Wang YR. Phenotypic characterization and molecular analysis of Atad3 gene cluster deletions: a prospective clinical trial. Hum Genet. 2021.
Brown RC, Kim JS, Thompson LV, Wilson MR. Neurodevelopmental outcomes in children with 1p36 chromosomal deletions: a systematic review and meta-analysis. Clin Genet. 2023.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy