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Disease
Developmental and epileptic encephalopathy, 62
Late-stage therapeutic development
Also known as DEE62, EIEE62, developmental and epileptic encephalopathy 62, epileptic encephalopathy, early infantile, 62.
24
Clinical trials
1
Associated genes
1
Related proteins
What's happening now
An analyst briefing on current research, clinical, regulatory and industry activity surrounding this disease.
Executive briefingUpdating summary…Momentum: Moderate
Key developments
- 5 clinical trials expected to report results, the earliest in Q4 2026.
Upcoming Milestones
- Q4 2026A Phase 3, Randomized, Multi-Center, Double-Blind, Placebo-Controlled Clinical Trial to Evaluate the Efficacy, Safety, Tolerability, and Pharmacokinetics of Relutrigine in Participants With DEE Followed by an Open-Label Extension
- Q4 2026Phase III Multicenter Clinical Trial Evaluating the Use of [18F]-APN-1607 Injection in Positron Emission Tomography in Subjects With AD-related Cognitive Impairment and Subjects With Normal Cognitive Function
- Q4 2027Safety and Efficacy of Butylphthalide Soft Capsules for Cognitive Impairment Comorbid With Focal Epilepsy in Elderly Patients: A Multicenter, Randomized, Double-Blind, Placebo-Controlled Trial
- Q3 2029Efficacy, Safety, and Tolerability of a GLP-1/GCG Dual Receptor Agonist in Type 2 Diabetes With Early Dementia: A Multicenter, Randomized, Parallel-group, Double-blind, Placebo-controlled Trial
- Q1 2030A Pharmaco-Imaging Trial of Mixed Amphetamine Salts for the Treatment of ADHD in Intellectually-intact Youth With Autism Spectrum Disorder
Major developments
Upcoming trial readoutHigh impact
Results expected Q4 20262026-05-11
Upcoming trial readoutImportant
Results expected Q1 20302026-03-06
Clinical MilestonesView all 14Hide
Results posted
Results expected
- 2026-05-11A Phase 3, Randomized, Multi-Center, Double-Blind, Placebo-Controlled Clinical Trial to Evaluate the Efficacy, Safety, Tolerability, and Pharmacokinetics of Relutrigine in Participants With DEE Followed by an Open-Label ExtensionResults expected Q4 2026
- 2026-03-06A Pharmaco-Imaging Trial of Mixed Amphetamine Salts for the Treatment of ADHD in Intellectually-intact Youth With Autism Spectrum DisorderResults expected Q1 2030
- 2026-03-05Efficacy, Safety, and Tolerability of a GLP-1/GCG Dual Receptor Agonist in Type 2 Diabetes With Early Dementia: A Multicenter, Randomized, Parallel-group, Double-blind, Placebo-controlled TrialResults expected Q3 2029
- 2026-02-20Phase III Multicenter Clinical Trial Evaluating the Use of [18F]-APN-1607 Injection in Positron Emission Tomography in Subjects With AD-related Cognitive Impairment and Subjects With Normal Cognitive FunctionResults expected Q4 2026
- 2025-09-25Safety and Efficacy of Butylphthalide Soft Capsules for Cognitive Impairment Comorbid With Focal Epilepsy in Elderly Patients: A Multicenter, Randomized, Double-Blind, Placebo-Controlled TrialResults expected Q4 2027
Recently completed
- 2026-04-23Metformin in Alzheimer's Dementia PreventionPrimary completion
- 2026-03-02A Proof-of-concept Clinical Study to Evaluate the Impact of a Combination Nutraceutical Kit on Muscle Function, Cognitive Performance, and Immune Resilience in Older Adults.Completed
- 2025-12-31Biomarker-Driven Pharmacological Treatment for Autism Spectrum DisorderCompleted
- 2025-12-01Pragmatic Trial Comparing Weight Gain in Children With Autism Taking Risperidone Versus AripiprazoleCompleted
- 2025-10-06A 52-Week, Multicenter, Open-Label, Flexible-dose Study to Evaluate the Long-term Safety and Tolerability of Cariprazine in the Treatment of Pediatric Subjects With Schizophrenia, Bipolar I Disorder, or Autism Spectrum DisorderCompleted
Other updates
- 2027-02-01Identification, Assessment, and Treatment of Tardive Dyskinesia With Valbenazine in Adults With Intellectual/Developmental Disabilities and Co-occurring Psychiatric and/or Behavioral DisordersWithdrawn
- 2025-11-25Memantine for the Treatment of Social Deficits in Youth With Disorders of Impaired Social Interactions: A Randomized-controlled TrialTerminated
+6 more in the activity timeline below
Activity timeline14
- 2027-02-01ClinicalIdentification, Assessment, and Treatment of Tardive Dyskinesia With Valbenazine in Adults With Intellectual/Developmental Disabilities and Co-occurring Psychiatric and/or Behavioral DisordersWithdrawn
- 2026-05-11ClinicalA Phase 3, Randomized, Multi-Center, Double-Blind, Placebo-Controlled Clinical Trial to Evaluate the Efficacy, Safety, Tolerability, and Pharmacokinetics of Relutrigine in Participants With DEE Followed by an Open-Label ExtensionResults expected Q4 2026
- 2026-04-23ClinicalMetformin in Alzheimer's Dementia PreventionPrimary completion
- 2026-03-06ClinicalA Pharmaco-Imaging Trial of Mixed Amphetamine Salts for the Treatment of ADHD in Intellectually-intact Youth With Autism Spectrum DisorderResults expected Q1 2030
- 2026-03-05ClinicalEfficacy, Safety, and Tolerability of a GLP-1/GCG Dual Receptor Agonist in Type 2 Diabetes With Early Dementia: A Multicenter, Randomized, Parallel-group, Double-blind, Placebo-controlled TrialResults expected Q3 2029
- 2026-03-02ClinicalA Proof-of-concept Clinical Study to Evaluate the Impact of a Combination Nutraceutical Kit on Muscle Function, Cognitive Performance, and Immune Resilience in Older Adults.Completed
- 2026-02-20ClinicalPhase III Multicenter Clinical Trial Evaluating the Use of [18F]-APN-1607 Injection in Positron Emission Tomography in Subjects With AD-related Cognitive Impairment and Subjects With Normal Cognitive FunctionResults expected Q4 2026
- 2025-12-31ClinicalBiomarker-Driven Pharmacological Treatment for Autism Spectrum DisorderCompleted
- 2025-12-01ClinicalPragmatic Trial Comparing Weight Gain in Children With Autism Taking Risperidone Versus AripiprazoleCompleted
- 2025-11-25ClinicalMemantine for the Treatment of Social Deficits in Youth With Disorders of Impaired Social Interactions: A Randomized-controlled TrialTerminated
Clinical trials
The current development programme across all trial phases.
Clinical programme
24
6
18
6
Late-stage studies
Recruiting
Recently completed
Associated genes
Genes associated with this disease in the canonical knowledge graph (Open Targets evidence). Number shows the association score.
Disease biology
Proteins whose encoding gene is associated with this disease, reached through the canonical gene→disease graph. Number shows the gene's association score.
Reference
Authoritative identity, definition & identifiers.
Synonyms
DEE62, EIEE62, developmental and epileptic encephalopathy 62, epileptic encephalopathy, early infantile, 62
References & data sources
- Disease identity & definition — NLM Medical Subject Headings (MeSH), public domain
- Clinical trials — ClinicalTrials.gov (U.S. National Library of Medicine)
- Related entities are derived from literature co-mention (studied together) — associative, not causal.