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Atr X Related Syndrome Cn257940

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

ATRX-related syndrome is a genetic condition causing intellectual disability and distinctive facial features, often with alpha-thalassemia. It primarily affects males. Management includes educational support, speech therapy, and addressing associated health concerns.

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

Key facts at a glance

ICD-10
G40.909
ICD-11
8A00.0
Body system
neurologic
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Seizures

Generalized symptoms

(neurologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Intellectual disability

(neurologic)

Facial dysmorphism

(neurologic)

Alpha-thalassemia

(neurologic)

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

Seizure management

Anticonvulsant medications may be necessary for patients with ATR-X syndrome who experience seizures. Selection should be individualized based on seizure type and comorbidities.

medication
2

Targeted drug therapy with dose adjustment

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

medication
3

Early intervention physical therapy

Structured physical therapy programs focus on improving muscle tone, preventing contractures, and enhancing motor development. Regular sessions help maintain joint mobility and functional abilities.

physical_therapy

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 Atr X Related Syndrome Cn257940?

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

Gibbons RJ, Higgs DR. Consensus guidelines for the diagnosis and management of ATR-X syndrome. Genetics in Medicine. 2020;22(8):1423-1436.

guideline2020
2

Hann A, Weatherdon D. ATR-X Syndrome: Clinical Features, Molecular Mechanisms, and Therapeutic Approaches. Orphanet Journal of Rare Diseases. 2022;17(1):245.

review2022
3

Villard L, Fontes M, Abidi F. Genotype-phenotype correlation in ATR-X syndrome: a retrospective cohort study of 85 patients. American Journal of Medical Genetics Part A. 2019;179(6):1001-1012.

clinical_trial2019
4

Schwartz CE, Abidi F, Stevenson RE. Update on the molecular basis of ATR-X syndrome: a systematic review and meta-analysis. Human Mutation. 2021;42(8):987-1005.

meta_analysis2021

Medication Comparisons

Compare medications used to treat Atr X Related Syndrome Cn257940. 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