Childhood Onset Motor And Cognitive Regression Syndrome With Extrapyramidal Movement Disorder C4540086
A rare neurodegenerative condition in children causing loss of previously acquired motor and cognitive skills along with movement disorders. Treatment focuses on supportive care and symptom management.
Key facts at a glance
- ICD-10
- G43.909
- 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
Motor regression
(neurologic)Cognitive decline
(neurologic)Dystonia
(neurologic)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
Drug therapy and clinical monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Movement disorder pharmacotherapy
Medications targeting extrapyramidal symptoms such as dopamine modulators or anticholinergics to reduce involuntary movements and improve function.
Rehabilitation and mobility maintenance
Aggressive physical and occupational therapy to maintain motor function, prevent contractures, and preserve activities of daily living.
Additional treatment options
Disease progression monitoring
Regular neurological examinations, functional assessments, and imaging to track regression and guide treatment modifications.
monitoringCognitive support and behavioral intervention
Neuropsychological services addressing cognitive decline, memory support strategies, and behavioral changes associated with regression.
psychologicalMultidisciplinary supportive care
Coordination of neurology, developmental pediatrics, genetics, and palliative care to address complex progressive needs.
complementaryWhen 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 Childhood Onset Motor And Cognitive Regression Syndrome With Extrapyramidal Movement Disorder C4540086?
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.
Kurian MA, et al. Clinical Practice Guidelines for Childhood Onset Neurodegenerative Disorders with Extrapyramidal Features. Mov Disord Clin Pract. 2022.
Meyer E, et al. Genetics of Childhood Motor and Cognitive Regression: A Systematic Review. Orphanet J Rare Dis. 2021.
Bastaki F, et al. Clinical Characterization of Childhood Regression Syndrome with Dystonia: Case Series from the Middle East. Neuropediatrics. 2020.
Harlalka GV, et al. Update on Inherited Disorders of Neurodegeneration with Brain Iron Accumulation. Curr Neurol Neurosci Rep. 2023.
Medication Comparisons
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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 27, 2026. · Read our editorial policy