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ClinicalTrials.gov public records Last synced May 22, 2026, 12:33 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 68 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Viral Encephalitis Clear all
Completed Not applicable Interventional
View directory record Official record
Conditions
HIV Infections, Leukoencephalopathy, Progressive Multifocal
Interventions
Interferon alfa-2b, Zidovudine
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced May 22, 2026, 12:33 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Toxoplasmosis, Cerebral, HIV Infections
Interventions
Sulfadiazine, Clarithromycin, Atovaquone, Pyrimethamine, Leucovorin calcium
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1998
U.S. locations
16
States / cities
Los Angeles, California • Miami, Florida • Honolulu, Hawaii + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced May 22, 2026, 12:33 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Encephalitis
Interventions
MVA-BN-WEV, Placebo
Biological · Other
Lead sponsor
Bavarian Nordic
Industry
Eligibility
18 Years to 50 Years
Enrollment
411 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
9
States / cities
Sacramento, California • Lilburn, Georgia • Lenexa, Kansas + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced May 22, 2026, 12:33 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Venezuelan Equine Encephalomyelitis
Interventions
VEE TC-83
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 65 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2022
U.S. locations
1
States / cities
Fort Deterick, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 10, 2021 · Synced May 22, 2026, 12:33 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Encephalitis, Japanese Encephalitis
Interventions
ChimeriVax-JE, Japanese Encephalitis vaccine, 0.9% Saline
Biological
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
2,004 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
16
States / cities
Burbank, California • Costa Mesa, California • Davis, California + 13 more
Source: ClinicalTrials.gov public record
Updated Dec 5, 2012 · Synced May 22, 2026, 12:33 AM EDT
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Venezuelan Equine Encephalomyelitis
Interventions
0.5 mL Inactivated, Dried, C-84, TSI-GSD 205, Lot 7, Run 1
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 65 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Fort Deterick, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 15, 2021 · Synced May 22, 2026, 12:33 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Western Equine Encephalitis
Interventions
Western Equine Encephalitis (WEE) Vaccine
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 65 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Fort Deterick, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 10, 2021 · Synced May 22, 2026, 12:33 AM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Systemic Lupus Erythematosus (SLE), Lupus Nephritis, Neuropsychiatric Systemic Lupus Erythematosus
Interventions
Not listed
Lead sponsor
Lupus Research Alliance
Other
Eligibility
18 Years to 110 Years
Enrollment
3,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2035
U.S. locations
19
States / cities
Birmingham, Alabama • Tucson, Arizona • Beverly Hills, California + 15 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced May 22, 2026, 12:33 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Post-Acute COVID-19 Syndrome, ME/CFS, Rheumatic Arthritis, Juvenile Rheumatoid Arthritis (JRA), Psoriatic Arthritis (PsA), Ankylosing Spondylitis (AS), Autoimmune Encephalitis, Celiac Disease, Celiac Disease in Children, Chronic Lyme Disease, Post-treatment Lyme Disease Syndrome, Crohn's Disease, Dysautonomia, Anorexia Nervosa, Bulimia Nervosa, ARFID, Avoidant / Restrictive Food Intake Disorder, Ehlers Danlos Syndrome, Endometriosis, Fibromyalgia (FM), Long COVID, Lupus, Migraines, Mast Cell Activation Syndrome, Multiple Sclerosis, Myalgic Encephalomyelitis (ME), Myasthenia Gravis, Generalized, Myasthenia Gravis in Children, Narcolepsy, Obsessive Compulsive Disorder (OCD), PANDAS, Pediatric Acute-onset Neuropsychiatric Syndrome (PANS), POTS - Postural Orthostatic Tachycardia Syndrome, General Anxiety Disorder, Social Anxiety Disorder, PTSD - Post Traumatic Stress Disorder, Psoriasis, Traumatic Brain Injury, Tourette's Syndrome, Inflammatory Bowel Disease (IBD), Autoimmune Diseases, Neurological Diseases or Conditions, Psychiatric Disorder, Sjogren's Syndrome, Ulcerative Colitis and Crohn's Disease
Interventions
Not listed
Lead sponsor
Brain Inflammation Collaborative
Other
Eligibility
2 Years and older
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2030
U.S. locations
1
States / cities
Delafield, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced May 22, 2026, 12:33 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Progressive Multifocal Leukoencephalopathy
Interventions
Tysabri
Biological
Lead sponsor
Biogen
Industry
Eligibility
Not listed
Enrollment
80,327 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 18, 2024 · Synced May 22, 2026, 12:33 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Toxoplasmosis, Cerebral, HIV Infections
Interventions
Pyrimethamine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1992
U.S. locations
16
States / cities
San Francisco, California • Denver, Colorado • New Haven, Connecticut + 11 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2012 · Synced May 22, 2026, 12:33 AM EDT
Completed Early Phase 1 Interventional
View directory record Official record
Conditions
Progressive Multifocal Leukoencephalopathy
Interventions
NT-I7
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 120 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 17, 2025 · Synced May 22, 2026, 12:33 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
HIV Infections, Leukoencephalopathy, Progressive Multifocal
Interventions
Topotecan
Drug
Lead sponsor
SmithKline Beecham
Industry
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
5
States / cities
Los Angeles, California • San Francisco, California • Miami, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced May 22, 2026, 12:33 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Infectious Metabolic Encephalopathy, Ischemic Stroke, Seizure, Viral Encephalitis, Small and Large Vessel
Interventions
keypresses
Behavioral
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 90 Years
Enrollment
333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 29, 2025 · Synced May 22, 2026, 12:33 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Venezuelan Equine Encephalitis
Interventions
VEE 3526
Biological
Lead sponsor
DynPort Vaccine Company LLC, A GDIT Company
Industry
Eligibility
18 Years to 40 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Sep 17, 2015 · Synced May 22, 2026, 12:33 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Encephalitis
Interventions
Valacyclovir, Placebo
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2011
U.S. locations
13
States / cities
Birmingham, Alabama • Phoenix, Arizona • Sacramento, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2012 · Synced May 22, 2026, 12:33 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Lupus Erythematosus, Cutaneous, Lupus Erythematosus, Discoid, Lupus Erythematosus, Systemic, Lupus Vasculitis, Central Nervous System, Lupus Nephritis
Interventions
milatuzumab, Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
West Hollywood, California
Source: ClinicalTrials.gov public record
Updated Aug 18, 2021 · Synced May 22, 2026, 12:33 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Equine Encephalitis
Interventions
MVA-BN-WEV Dose 1, MVA-BN-WEV Dose 2, MVA-BN-WEV Dose 3
Biological
Lead sponsor
Bavarian Nordic
Industry
Eligibility
18 Years to 50 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 19, 2020 · Synced May 22, 2026, 12:33 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Encephalitis
Interventions
AVI-4065 Injection
Drug
Lead sponsor
Sarepta Therapeutics, Inc.
Industry
Eligibility
18 Years to 64 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jul 7, 2009 · Synced May 22, 2026, 12:33 AM EDT
Withdrawn Not applicable Interventional
View directory record Official record
Conditions
Hepatic Encephalopathy, HE, Cirrhosis, Altered Mental Status, AMS
Interventions
Lactulose, Polyethylene Glycol 3350
Drug
Lead sponsor
New York Presbyterian Brooklyn Methodist Hospital
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated May 11, 2015 · Synced May 22, 2026, 12:33 AM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Encephalitis, Encephalitis, Viral, Infectious Encephalitis, Virus Diseases, Encephalomyelitis, Venezuelan Equine, Brain Diseases, Central Nervous System Diseases, Central Nervous System Viral Diseases, Alphavirus Infections, Togaviridae Infections, RNA Virus Infections, Central Nervous System Infections, Encephalomyelitis, Physiological Effects of Drugs, Vaccines, Encephalomyelitis, Equine, Nervous System Diseases
Interventions
Vaccinations on Day 0, Day 28, and Day 140
Biological
Lead sponsor
SRI International
Industry
Eligibility
18 Years to 50 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Plymouth, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 22, 2021 · Synced May 22, 2026, 12:33 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy, West Nile Fever, Healthy Volunteer, HV
Interventions
VRC-WNVDNA017-00-VP
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 22, 2026, 12:33 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
HIV Infections, Leukoencephalopathy, Progressive Multifocal
Interventions
Cidofovir, Probenecid
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2001
U.S. locations
19
States / cities
Birmingham, Alabama • San Francisco, California • Denver, Colorado + 10 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2021 · Synced May 22, 2026, 12:33 AM EDT
Terminated Phase 1Phase 2 Interventional Results available
View directory record Official record
Conditions
Progressive Multifocal Leukoencephalopathy
Interventions
mefloquine
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 75 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
5
States / cities
Chicago, Illinois • Baltimore, Maryland • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2014 · Synced May 22, 2026, 12:33 AM EDT