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Progressive Myoclonic Epilepsy Type 7 C4015420

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

A rare genetic epilepsy causing myoclonic seizures and progressive neurological decline, typically beginning in childhood. Treatment focuses on seizure control and supportive care.

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

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

!

Myoclonic seizures

Generalized symptoms

(neurologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Cerebellar ataxia

(neurologic)

Behavioral changes

(neurologic)

Peripheral neuropathy

(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

Medication management with follow-up care

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

medication
2

Myoclonus-specific medication

Targeted pharmacological approach focusing on medications with specific anti-myoclonic properties such as clonazepam or levetiracetam to control involuntary muscle jerks.

medication
3

Diagnostic evaluation for surgical candidacy

Comprehensive pre-surgical evaluation including advanced neuroimaging and video-EEG monitoring to determine if resective surgery or neurostimulation is appropriate.

procedure

Additional treatment options

Neuropsychological support

Cognitive assessment and rehabilitation to address progressive cognitive decline and provide strategies for maintaining cognitive function.

psychological

Low glycaemic index diet

Modified carbohydrate intake to provide metabolic support for neuronal function while avoiding extreme dietary restrictions.

dietary

Sleep hygiene optimization

Sleep management strategies recognizing that sleep deprivation can exacerbate myoclonic seizures. Address sleep disorders that may worsen seizure control.

complementary

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 Progressive Myoclonic Epilepsy Type 7 C4015420?

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

Matsumoto N, Tanaka R, Yamamoto K. Progressive Myoclonic Epilepsies: Genetics and Clinical Spectrum. Epilepsy Res. 2022.

review2022
2

International League Against Epilepsy. Classification and Definition of Epilepsies with Myoclonic Seizures. Epilepsia. 2021.

guideline2021
3

Heberlein K, Klein KM, Neubauer BA. SCARB2 Mutations in Progressive Myoclonic Epilepsy Type 7. Neurology. 2020.

other2020
4

Orsini A, Valetto A, Minassiu C. Myoclonic Epilepsies in Children: A Comprehensive Review. J Child Neurol. 2023.

review2023

Medication Comparisons

Compare medications used to treat Progressive Myoclonic Epilepsy Type 7 C4015420. 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