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Features include always present findings: Bilateral tonic-clonic seizure, Delayed CNS myelination, Recurrent lower respiratory tract infections, and Focal impaired awareness seizure and others; and common findings: Low red blood cell count (anemia) and Hepatosplenomegaly. 62 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Brain and nerves | 24 | Bilateral tonic-clonic seizure, Focal impaired awareness seizure, Gait ataxia |
Phenotype severity distribution: 59 always present features, 2 common features.
No clinical trials have been registered for developmental and epileptic encephalopathy 118.
8 publications have been identified in PubMed for developmental and epileptic encephalopathy 118. Kisho has analyzed 4 by research type. Research spans Epidemiology / Natural History (75%) and Basic Science / Preclinical (25%).
Kart PO (2026). [PMID: 41875756](https://pubmed.ncbi.nlm.nih.gov/41875756/). *Epilepsy Behav*. [Epidemiology / Natural History]
Mei D (2025). [PMID: 40826482](https://pubmed.ncbi.nlm.nih.gov/40826482/). *Orphanet J Rare Dis*. [Epidemiology / Natural History]
Alves M (2024). [PMID: 38777288](https://pubmed.ncbi.nlm.nih.gov/38777288/). *Brain Behav Immun*. [Basic Science / Preclinical]
Falsaperla R (2024). [PMID: 38735085](https://pubmed.ncbi.nlm.nih.gov/38735085/). *Seizure*. [Epidemiology / Natural History]
Data assembled from 4 of 12 sources · Last updated Sep 20, 2026, 3:03 PM UTC
Online Mendelian Inheritance in Man
Blood and immune system | 6 | Recurrent lower respiratory tract infections, Increased immature red blood cells (reticulocytosis), Macrocytic anemia |
Muscles | 5 | Flexion contracture, Low muscle tone (hypotonia), Generalized hypotonia |
Eyes | 5 | Nystagmus, Retinal dystrophy, Cerebral visual impairment |
Digestive system | 4 | Jaundice, Prolonged neonatal jaundice, Difficulty swallowing (dysphagia) |
Lungs and breathing | 2 | Recurrent lower respiratory tract infections, Respiratory failure |
Arms and legs | 2 | Lower limb hypertonia, Limb dystonia |
Head and neck | 1 | Microcephaly |
Lab test results | 1 | Hyperbilirubinemia |
Skin | 1 | Alopecia |
Pregnancy and birth | 1 | Prolonged neonatal jaundice |
Bones and joints | 1 | Bone infection (osteomyelitis) |