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A neonatal/infantile epilepsy syndrome characterized by frequent drug-resistant seizures that begin ≤3 months of age, with abnormal interictal EEG and neurological examination. In up to 80% of patients, EIDEE is caused by an underlying structural, genetic, or metabolic reason.
Biomarker and diagnostic research for early-infantile DEE has been reported in the published literature.
No approved treatments are currently available for early-infantile DEE. An additional 1 compound holds orphan drug designation.
While no drugs are FDA-approved specifically for early-infantile DEE, some of the following designated compounds may be used off-label in clinical practice. Treatment decisions should be made in consultation with a specialist familiar with this condition.
The following drugs have received orphan drug designation from the FDA for early-infantile DEE. Orphan designation reflects regulatory interest and does not indicate approval for treatment.
Brand Name | Generic Name | Sponsor |
|---|
Estimated prevalence: Unknown (Unknown prevalence).
2 clinical trials registered, 2 recruiting. Interventions under study include other interventions. Research is primarily sponsored by academic and government institutions.
182 publications have been identified in PubMed for early-infantile DEE. Research spans Review / Meta-Analysis (32%), Epidemiology / Natural History (19%), and Basic Science / Preclinical (16%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 55 | 32% |
Data assembled from 5 of 12 sources · Last updated Sep 19, 2026, 1:58 AM UTC
European rare disease database
Designated
Exclusivity End |
|---|
Designation Status |
|---|
Clemizole Hydrochloride | Clemizole Hydrochloride | Epygenix Therapeutics, Inc. | 2022 | — | Designated |
Gene therapy approaches for early-infantile DEE have been reported in the published literature.
2 trials found
Disease patterns and progression |
32 |
19% |
Laboratory research | 28 | 16% |
Patient case studies | 19 | 11% |
Clinical study results | 18 | 11% |
New treatment approaches | 10 | 6% |
Testing and diagnosis research | 7 | 4% |
Other research | 1 | 1% |
Cherian A (2026). [PMID: 41817056](https://pubmed.ncbi.nlm.nih.gov/41817056/). *Neurol India*. [Review / Meta-Analysis]
Kim DG (2026). [PMID: 41574838](https://pubmed.ncbi.nlm.nih.gov/41574838/). *J Med Chem*. [Gene Therapy / Novel Therapeutics]
Balasundaram P (2026). [PMID: 34033328](https://pubmed.ncbi.nlm.nih.gov/34033328/). *Unknown Journal*. [Basic Science / Preclinical]
Setia P (2026). [PMID: 40736317](https://pubmed.ncbi.nlm.nih.gov/40736317/). *J Child Neurol*. [Review / Meta-Analysis]
Kumar A (2026). [PMID: 30085572](https://pubmed.ncbi.nlm.nih.gov/30085572/). *Unknown Journal*. [Basic Science / Preclinical]
Lin J (2026). [PMID: 41872966](https://pubmed.ncbi.nlm.nih.gov/41872966/). *Syst Rev*. [Review / Meta-Analysis]
Rakwongkhachon S (2026). [PMID: 41874439](https://pubmed.ncbi.nlm.nih.gov/41874439/). *Epilepsia*. [Epidemiology / Natural History]
Tolchin B (2026). [PMID: 41370742](https://pubmed.ncbi.nlm.nih.gov/41370742/). *Neurology*. [Review / Meta-Analysis]
Ferland RJ (2026). [PMID: 42079280](https://pubmed.ncbi.nlm.nih.gov/42079280/). *bioRxiv*. [Basic Science / Preclinical]
Abood W (2026). [PMID: 30252260](https://pubmed.ncbi.nlm.nih.gov/30252260/). *Unknown Journal*. [Gene Therapy / Novel Therapeutics]