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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Encephalopathy Clear all
Completed Phase 3 Interventional Results available

Study of Adjunctive Ganaxolone Treatment in Children and Young Adults With CDKL5 Deficiency Disorder

NCT03572933
View directory record Official record
Conditions
CDKL5 Deficiency Disorder
Interventions
ganaxolone, Placebo
Drug
Lead sponsor
Marinus Pharmaceuticals
Industry
Eligibility
2 Years to 21 Years
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
17
States / cities
Phoenix, Arizona • Los Angeles, California • Aurora, Colorado + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2023 · Synced Jul 21, 2026, 10:24 PM EDT
Recruiting No phase listed Observational

Automating Delirium Severity in the ICU

NCT06172491
View directory record Official record
Conditions
Intensive Care Unit Delirium, Encephalopathy, Delirium
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years and older
Enrollment
400 participants
Timeline
2023 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Jul 21, 2026, 10:24 PM EDT
Completed No phase listed Observational

A Prospective, Remote Observational Study in Pediatric Participants With Early-Onset SCN2A-Developmental and Epileptic Encephalopathy

NCT05407727
View directory record Official record
Conditions
SCN2A-DEE, Epilepsy
Interventions
Not listed
Lead sponsor
Praxis Precision Medicines
Industry
Eligibility
1 Year to 16 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 9, 2024 · Synced Jul 21, 2026, 10:24 PM EDT
Completed Not applicable Interventional

Protein Supplementation in Infants With Brain Injury

NCT01936246
View directory record Official record
Conditions
Perinatal Stroke, Hypoxic-ischemic Encephalopathy, White Matter Injury
Interventions
Increased protein
Dietary Supplement
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
2 Days to 3 Weeks
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 5, 2017 · Synced Jul 21, 2026, 10:24 PM EDT
Completed Phase 4 Interventional Results available

Cystagon to Treat Infantile Neuronal Ceroid Lipofuscinosis

NCT00028262
View directory record Official record
Conditions
Infantile Neronal Ceroid Lipofuscinosis
Interventions
Cystagon
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
6 Months to 3 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 26, 2016 · Synced Jul 21, 2026, 10:24 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

18F-AV-1451 and Florbetapir F 18 PET (Positron Emission Tomography) Imaging in Subjects at Risk for Chronic Traumatic Encephalopathy

NCT02079766
View directory record Official record
Conditions
Chronic Traumatic Encephalopathy
Interventions
florbetapir F 18, Flortaucipir F18
Drug
Lead sponsor
Avid Radiopharmaceuticals
Industry
Eligibility
Male only
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
2
States / cities
Phoenix, Arizona • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 6, 2020 · Synced Jul 21, 2026, 10:24 PM EDT
Completed Phase 2 Interventional Results available

A Phase 2, Multicenter, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Efficacy, Safety, and Tolerability of TAK-935 (OV935) as an Adjunctive Therapy in Pediatric Participants With Developmental and/or Epileptic Encephalopathies

NCT03650452
View directory record Official record
Conditions
Epilepsy, Dravet Syndrome, Lennox-Gastaut Syndrome
Interventions
TAK-935, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
2 Years to 17 Years
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
15
States / cities
Phoenix, Arizona • Los Angeles, California • Aurora, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2021 · Synced Jul 21, 2026, 10:24 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Study of TAK-935 as an Adjunctive Therapy in Participants With Developmental and/or Epileptic Encephalopathies

NCT03166215
View directory record Official record
Conditions
Developmental and/or Epileptic Encephalopathies
Interventions
TAK-935, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
11
States / cities
Phoenix, Arizona • Port Charlotte, Florida • Tampa, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Jan 6, 2021 · Synced Jul 21, 2026, 10:24 PM EDT
Enrolling by invitation Phase 3 Interventional

A Study to Investigate LP352 in Children and Adults With Developmental and Epileptic Encephalopathy (DEE)

NCT06908226
View directory record Official record
Conditions
Developmental and Epileptic Encephalopathy
Interventions
LP352
Drug
Lead sponsor
Longboard Pharmaceuticals
Industry
Eligibility
2 Years to 66 Years
Enrollment
324 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
19
States / cities
Little Rock, Arkansas • Los Angeles, California • Palo Alto, California + 15 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 21, 2026, 10:24 PM EDT
Completed Not applicable Interventional Results available

Telemedicine to Improve Use of Therapeutic Hypothermia in Rural Settings

NCT03706417
View directory record Official record
Conditions
Neonatal Encephalopathy
Interventions
Telemedicine consult
Diagnostic Test
Lead sponsor
MaineHealth
Other
Eligibility
Up to 6 Hours
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Portland, Maine
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Jul 21, 2026, 10:24 PM EDT
Not listed Not applicable Interventional

Near-Infrared Laser Stimulation for Various Neurological Conditions

NCT04489082
View directory record Official record
Conditions
Refractory Depression, Anxiety Disorders, Neurodegenerative Diseases, Traumatic Brain Injury, Chronic Traumatic Encephalopathy
Interventions
Near Infrared Laser Stimulation
Device
Lead sponsor
Neurological Associates of West Los Angeles
Other
Eligibility
18 Years and older · Female only
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Jul 21, 2026, 10:24 PM EDT
Terminated Phase 3 Interventional Results available

RICE Trial: Rifaximin In Chronic Hepatic Encephalopathy - A Randomized, Controlled Trial

NCT00364689
View directory record Official record
Conditions
Hepatic Encephalopathy
Interventions
Rifaximin, Lactulose, Placebo
Drug · Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 16, 2019 · Synced Jul 21, 2026, 10:24 PM EDT
Completed Phase 3 Interventional

A Trial to Reduce Delirium in Aged Post Acute Patients

NCT00182936
View directory record Official record
Conditions
Delirium, Aging
Interventions
Delirium Abatement Program
Behavioral
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
65 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 19, 2006 · Synced Jul 21, 2026, 10:24 PM EDT
Recruiting Phase 3 Interventional

A Clinical Trial for Participants With DEE to Assess Efficacy, Safety, Tolerability, and PK of Relutrigine

NCT07010471
View directory record Official record
Conditions
Developmental and Epileptic Encephalopathy 1
Interventions
1.0mg/kg/day PRAX-562, 1.5mg/kg/day PRAX-562, Placebo
Drug
Lead sponsor
Praxis Precision Medicines
Industry
Eligibility
2 Years to 65 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
6
States / cities
La Jolla, California • Gulf Breeze, Florida • Chevy Chase, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Jul 21, 2026, 10:24 PM EDT
Withdrawn Phase 3 Interventional

A Randomized Comparison of Rifaximin Versus Lactulose in Hospitalized Cirrhotic Patients With Renal Failure

NCT02086825
View directory record Official record
Conditions
Hepatic Encephalopathy
Interventions
Rifaximin, Lactulose
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 1, 2016 · Synced Jul 21, 2026, 10:24 PM EDT
Completed Not applicable Interventional

The Impact of Electroencephalographic (EEG) Seizure Treatment in Neonatal Encephalopathy

NCT01027715
View directory record Official record
Conditions
Seizures, Encephalopathy
Interventions
EEG monitoring and treatment of EEG seizures
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
1 Hour to 72 Hours
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 9, 2015 · Synced Jul 21, 2026, 10:24 PM EDT
Recruiting Phase 3 Interventional

A Clinical Trial of Elsunersen in Pediatric SCN2A-DEE to Assess Efficacy and Safety

NCT07019922
View directory record Official record
Conditions
Epileptic Encephalopathy, SCN2A Encephalopathy
Interventions
1mg elsunersen, 0.5mg elsunersen
Drug
Lead sponsor
Praxis Precision Medicines
Industry
Eligibility
1 Day to 18 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
6
States / cities
San Diego, California • Aurora, Colorado • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Jul 21, 2026, 10:24 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Contributions of mTBI to Neurodegeneration Due to Chronic Traumatic Encephalopathy (CTE) and Alzheimer's Disease (AD)

NCT04124029
View directory record Official record
Conditions
Mild Traumatic Brain Injury, Moderate Traumatic Brain Injury, Mild Cognitive Impairment
Interventions
No Intervention is used for this study but all subjects will be asked to complete EEG testing and an MRI scan., No intervention is used for this study but all subjects will be asked to complete a venous blood draw procedure and a lumbar puncture procedure.
Device · Procedure
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
30 Years to 90 Years
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced Jul 21, 2026, 10:24 PM EDT
Not listed No phase listed Observational

Flicker App for Minimal Hepatic Encephalopathy

NCT04415294
View directory record Official record
Conditions
Hepatic Encephalopathy
Interventions
Critical flicker frequency
Diagnostic Test
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 75 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 10, 2022 · Synced Jul 21, 2026, 10:24 PM EDT
Active, not recruiting No phase listed Observational

Sepsis Associated Encephalopathy (SAE) Biomarkers

NCT03133208
View directory record Official record
Conditions
Sepsis, Altered Mental Status, Sepsis-Associated Delirium, Sepsis Associated Encephalopathy, Delirium, Sepsis Associated
Interventions
Blood draws
Procedure
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Jul 21, 2026, 10:24 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Quantitative Assessment of Sucking for Early Diagnosis of Brain Injury in Infants at High Risk

NCT03246243
View directory record Official record
Conditions
Hypoxic-Ischemic Encephalopathy, Hypoglycemia, Neonatal Abstinence Syndrome
Interventions
nfant feeding solution
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Up to 6 Months
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 20, 2021 · Synced Jul 21, 2026, 10:24 PM EDT
Completed Phase 1Phase 2 Interventional

Study of Rifaximin in Minimal Hepatic Encephalopathy

NCT01069133
View directory record Official record
Conditions
Minimal Hepatic Encephalopathy
Interventions
rifaximin
Drug
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 10, 2012 · Synced Jul 21, 2026, 10:24 PM EDT
Active, not recruiting Phase 2 Interventional

MT2013-31: Allo HCT for Metabolic Disorders and Severe Osteopetrosis

NCT02171104
View directory record Official record
Conditions
Mucopolysaccharidosis Disorders, Hurler Syndrome, Hunter Syndrome, Maroteaux Lamy Syndrome, Sly Syndrome, Alpha-Mannosidosis, Fucosidosis, Aspartylglucosaminuria, Glycoprotein Metabolic Disorders, Sphingolipidoses, Recessive Leukodystrophies, Globoid Cell Leukodystrophy, Metachromatic Leukodystrophy, Niemann-Pick B, Niemann-Pick C Subtype 2, Sphingomyelin Deficiency, Peroxisomal Disorders, Adrenoleukodystrophy With Cerebral Involvement, Zellweger Syndrome, Neonatal Adrenoleukodystrophy, Infantile Refsum Disease, Acyl-CoA Oxidase Deficiency, D-Bifunctional Enzyme Deficiency, Multifunctional Enzyme Deficiency, Alpha-methylacyl-CoA Racmase Deficiency, Mitochondrial Neurogastrointestingal Encephalopathy, Severe Osteopetrosis, Hereditary Leukoencephalopathy With Axonal Spheroids (HDLS; CSF1R Mutation), Inherited Metabolic Disorders
Interventions
Stem Cell Transplantation, IMD Preparative Regimen, Osteopetrosis Only Preparative Regimen, Osteopetrosis Haploidentical Only Preparative Regimen, cALD SR-A (Standard-Risk, Regimen A), cALD SR-B (Standard-Risk, Regimen B), cALD HR-D (High-Risk, Regimen C), cALD HR-D (High-Risk, Regimen D)
Biological · Drug
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
Up to 55 Years
Enrollment
149 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2029
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Jul 21, 2026, 10:24 PM EDT
Completed No phase listed Observational

Speech in Hepatic Encephalopathy (HE)

NCT05425316
View directory record Official record
Conditions
Hepatic Encephalopathy
Interventions
Home Recordings, In-patient Recordings, Same-Day Study Visit - Regular Appointment, Same-Day Study Visit - Procedure, Phone Call Follow-up Visits
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
251 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Jul 21, 2026, 10:24 PM EDT