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myoclonic epilepsy in infancy (MEI) - Clinical Profile, Genes & Research | Kisho | Kisho

Rare Disease

myoclonic epilepsy in infancy

MONDO:0100566

Also known as:MEIbenign myoclonic epilepsy of infancybenign myoclonus epilepsy of infancy

Overview

A neonatal/infantile epilepsy syndrome that is characterized by the onset of myoclonic seizures between the ages of 6-18 months (range 4 months to 3 years). Males are twice as likely to be affected as females. Antecedent and birth history is unremarkable. Head size and neurological examination are normal. Prior development is usually normal. Cognitive, motor and behavioral difficulties are reported, especially if seizures are poorly controlled. Developmental outcome is normal in 60-85% of cases. Mild intellectual impairment and attention problems can be seen.

Diagnosis

Biomarker and diagnostic research for myoclonic epilepsy in infancy has been reported in the published literature.

Prognosis

Estimated prevalence: <1 in 1,000,000 (VERY_RARE).

Research Landscape

Sourced from ClinicalTrials.gov and PubMed. Publication types are classified using NLM-curated article metadata; research type breakdowns reflect the nature of published work for this disease.

No clinical trials have been registered for myoclonic epilepsy in infancy.

10 publications have been identified in PubMed for myoclonic epilepsy in infancy. Research spans Case Report / Case Series (40%), Epidemiology / Natural History (20%), and Diagnostic / Biomarker (10%).

Research Type	Count	% of Total
Patient case studies	4	40%

Data assembled from 3 of 12 sources · Last updated Sep 20, 2026, 11:16 AM UTC

MONDOHPOClinicalTrials.govFDAPubMedHGNCClinVarClinGenGeneReviewsOrphanetOMIMRUSP

Medical References

External Resources

Orphanet

European rare disease database

Orphanet:86909

GARD

Genetic and Rare Diseases Info Center

GARD:19086

Questions for Your Care Team

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myoclonic epilepsy in infancy

Overview

Diagnosis

Prognosis

Research Landscape

Medical References

External Resources

Orphanet

GARD

Related Diseases

Questions for Your Care Team

Questions for Your Care Team

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