developmental and epileptic encephalopathy, 13
Findings
No curated finding names developmental and epileptic encephalopathy, 13 yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Any early infantile epileptic encephalopathy in which the cause of the disease is a mutation in the SCN8A gene.
Definition from the Mondo Disease Ontology (MONDO:0013801), read 2026-09-29. CC BY 4.0.
- Inheritance
- Autosomal dominant inheritance
- Onset and course
- Congenital onset · Infantile onset · Neonatal onset
HPO, annotations 2026-09-02
Features
25 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- Autistic behaviorHPOHP:0000729
- 1 of 1 reported patient
- Clonic seizureHPOHP:0020221
- 1 of 1 reported patient
- Compulsive behaviorsHPOHP:0000722
- 1 of 1 reported patient
- EEG with spike-wave complexesHPOHP:0010850
- 1 of 1 reported patient
- Epileptic spasmHPOHP:0011097
- 1 of 1 reported patient
- Global developmental delayHPOHP:0001263
- 9 of 9 reported patients
- Intellectual disabilityHPOHP:0001249
Show the remaining 13
- Profound intellectual disabilityHPOHP:0002187
- 5 of 7 reported patients
- HypotoniaHPOHP:0001252
- 4 of 7 reported patients
- Bilateral tonic-clonic seizureHPOHP:0002069
- 4 of 8 reported patients
- Cerebral atrophyHPOHP:0002059
- 4 of 8 reported patients
- Developmental regressionHPOHP:0002376
- 4 of 9 reported patients
- Tonic seizureHPOHP:0032792
- 2 of 8 reported patients
Genes
1 gene
Germline variants in the gene encoding each protein, as classified by GenCC submitters, each in their own words. Limited, disputed and refuted submissions are listed too.
- SCN8AHGNC:10596
- Definitive · Ambry Genetics · Autosomal dominant · 2018
- Definitive · G2P · Autosomal dominant · 2015
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal dominant · 2023
- Limited · PanelApp Australia · Autosomal recessive · 2025
Where it sits
Other names
8 names
Resolves to: developmental and epileptic encephalopathy, 13
- Also called
- DEE13developmental and epileptic encephalopathy 13early infantile epileptic encephalopathy caused by mutation in SCN8Aearly infantile epileptic encephalopathy-13EIEE13epileptic encephalopathy, early infantile, 13epileptic encephalopathy, early infantile, type 13SCN8A early infantile epileptic encephalopathy