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ClinicalTrials.gov public records Last synced May 22, 2026, 1:26 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Viral Encephalitis Clear all
Completed Phase 1 Interventional
View directory record Official record
Conditions
Toxoplasmosis, Cerebral, HIV Infections
Interventions
Pyrimethamine, Leucovorin calcium, Zidovudine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1995
U.S. locations
2
States / cities
New York, New York • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced May 22, 2026, 1:26 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Japanese Encephalitis
Interventions
ChimeriVax™-JE vaccine, JE-VAX® vaccine
Biological
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 48 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 19, 2012 · Synced May 22, 2026, 1:26 AM EDT
Terminated No phase listed Observational
View directory record Official record
Conditions
Meningoencephalitis, Other Syndromes Requiring Lumbar Puncture in Emergency Department
Interventions
no intervention
Other
Lead sponsor
Olive View-UCLA Education & Research Institute
Other
Eligibility
3 Months and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated Apr 19, 2022 · Synced May 22, 2026, 1:26 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
HIV Infections, Leukoencephalopathy, Progressive Multifocal
Interventions
Filgrastim, Cytarabine, Zidovudine, Zalcitabine, Didanosine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1997
U.S. locations
9
States / cities
Aurora, Colorado • Miami, Florida • Chicago, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced May 22, 2026, 1:26 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Encephalitis, Herpes Simplex, Keratitis, Mouth Disease, Skin Disease
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 22, 2026, 1:26 AM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Acquired Immunodeficiency Syndrome, BK Virus Infection, Human Immunodeficiency Virus, JC Virus Infection, Malignant Neoplasm, Merkel Cell Carcinoma, Merkel Cell Polyomavirus Infection, Viral Encephalitis
Interventions
Allogeneic BK-specific Cytotoxic T-lymphocytes, Laboratory Biomarker Analysis
Biological · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced May 22, 2026, 1:26 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Japanese Encephalitis
Interventions
Blood draw, IC51 has given in the parent study IC51-322
Procedure · Biological
Lead sponsor
Valneva Austria GmbH
Industry
Eligibility
9 Months to 20 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 17, 2020 · Synced May 22, 2026, 1:26 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Toxoplasmosis, Cerebral, HIV Infections
Interventions
Atovaquone
Drug
Lead sponsor
Glaxo Wellcome
Industry
Eligibility
13 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
18
States / cities
Los Angeles, California • Oakland, California • San Francisco, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced May 22, 2026, 1:26 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Eastern Equine Encephalitis
Interventions
Inactivated, Dried, TSI-GSD 104, EEE
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 65 Years
Enrollment
138 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2017
U.S. locations
1
States / cities
Fort Deterick, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 23, 2019 · Synced May 22, 2026, 1:26 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
HIV Associated Neurocognitive Disorder, HIV Dementia, HIV Encephalitis, Healthy
Interventions
SV2A PET, TSPO PET
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 80 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2030
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced May 22, 2026, 1:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
West Nile Fever
Interventions
WN/DEN4delta30 vaccine, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 2, 2013 · Synced May 22, 2026, 1:26 AM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Epilepsy, Cryptogenic, Epilepsy, Partial, Seizure Disorder, Autoimmune Diseases, Nervous System, Limbic Encephalitis
Interventions
IVIG
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 31, 2014 · Synced May 22, 2026, 1:26 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Toxoplasmosis, Cerebral, HIV Infections
Interventions
Azithromycin, Pyrimethamine, Leucovorin calcium
Drug
Lead sponsor
Pfizer
Industry
Eligibility
13 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
11
States / cities
Los Angeles, California • Miami, Florida • Worcester, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2008 · Synced May 22, 2026, 1:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Tick-Borne Encephalitis
Interventions
LGT(TP21)/DEN4, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 20, 2008 · Synced May 22, 2026, 1:26 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
HIV Infections, Leukoencephalopathy, Progressive Multifocal
Interventions
Didanosine
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Princeton, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 1, 2007 · Synced May 22, 2026, 1:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
West Nile Fever Encephalitis
Interventions
WN/DEN4-3'delta30, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
2
States / cities
Baltimore, Maryland • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 2, 2013 · Synced May 22, 2026, 1:26 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Progressive Multifocal Leukoencephalopathy, Multiple Sclerosis
Interventions
Not listed
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 28, 2016 · Synced May 22, 2026, 1:26 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
West Nile Fever
Interventions
ChimeriVax-WN02 vaccine, Placebo
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
50 Years and older
Enrollment
479 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
15
States / cities
Anaheim, California • Colorado Springs, Colorado • South Miami, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2015 · Synced May 22, 2026, 1:26 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Eastern Equine Encephalitis
Interventions
Eastern Equine Encephalitis Vaccine, Inactivated, Dried, TSI-GSD 104
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 65 Years
Enrollment
138 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2018
U.S. locations
1
States / cities
Fort Deterick, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 16, 2020 · Synced May 22, 2026, 1:26 AM EDT
Recruiting Phase 1 Interventional
View directory record Official record
Conditions
Subarachnoid Hemorrhage, Intracerebral Hemorrhage, Ventriculitis, Cerebral, Hydrocephalus
Interventions
Long term (continuous) prophylactic antibiotics, 24 hours antibiotics
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced May 22, 2026, 1:26 AM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Progressive Multifocal Leukoencephalopathy
Interventions
Brincidofovir
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 99 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced May 22, 2026, 1:26 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Toxoplasmosis, Cerebral, HIV Infections
Interventions
Pyrimethamine, Leucovorin calcium, Clindamycin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1992
U.S. locations
13
States / cities
Los Angeles, California • Palo Alto, California • San Diego, California + 8 more
Source: ClinicalTrials.gov public record
Updated May 17, 2012 · Synced May 22, 2026, 1:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Neuropsychiatric Systemic Lupus Erythematosus
Interventions
Magnetic Resonance Angiography (MRA), Magnetic resonance imaging, MRA, diffusion Imaging, perfusion imaging.
Procedure
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 99 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 13, 2015 · Synced May 22, 2026, 1:26 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Systemic Lupus Erythematosus
Interventions
Clinical and laboratory evaluations, transesophageal echocardiography, carotid duplex, transcranial duplex, and magnetic resonance of the brain
Other
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years to 60 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jan 9, 2024 · Synced May 22, 2026, 1:26 AM EDT