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TrialConditionsStatusPhaseUpdatedMore infoNCT ID
Cytotoxic T Lymphocytes in Treating Patients With Malignancies With BK and/or JC VirusAIDS, Blood-Borne Infections, DNA Virus Infections, Encephalitis, Viral, Genital Diseases, HIV infectious disease, Infections, Neoplasms by Histologic Type, Neoplasms, Germ Cell and Embryonal, Neoplasms, Nerve Tissue, Neuroinflammatory Diseases, RNA Virus Infections, Slow Virus Diseases, Tumor Virus Infections, Urogenital Diseases, adenocarcinoma, brain disorder, cancer, carcinoma, central nervous system disorder, central nervous system infectious disorder, cutaneous neuroendocrine carcinoma, encephalitis, epithelial neoplasm, immune system disorder, inborn error of immunity, infectious disease, infectious encephalitis, lentivirus infection, neoplasm, nervous system disorder, neuroendocrine carcinoma, neuroendocrine neoplasm, polyomavirus infectious disease, primitive neuroectodermal tumor, sexually transmitted disease, uterine carcinosarcoma, viral infection of central nervous system, viral infectious disease, viral sexually transmitted diseaseRecruitingPhase 22026-09-04NCT02479698
Natural History Study of Progressive Multifocal Leukoencephalopathy (PML)AIDS, Blood-Borne Infections, CNS demyelinating autoimmune disease, DNA Virus Infections, Encephalitis, Viral, Genital Diseases, HIV infectious disease, Infections, Leukoencephalopathies, Neuroinflammatory Diseases, RNA Virus Infections, Slow Virus Diseases, Urogenital Diseases, autoimmune disease, autoimmune disorder of the nervous system, brain disorder, central nervous system disorder, central nervous system infectious disorder, demyelinating disease, encephalitis, immune reconstitution inflammatory syndrome, immune system disorder, inborn error of immunity, infectious disease, infectious encephalitis, lentivirus infection, multiple sclerosis, nervous system disorder, polyomavirus infectious disease, progressive multifocal leukoencephalopathy, sexually transmitted disease, uterine carcinosarcoma, viral infection of central nervous system, viral infectious disease, viral sexually transmitted diseaseRecruitingNot stated2026-08-31NCT01730131
Risk of Progressive Multifocal Leukoencephalopathy Among Patients With Multiple Sclerosis Exposed to ZeposiaCNS demyelinating autoimmune disease, DNA Virus Infections, Encephalitis, Viral, Infections, Leukoencephalopathies, Neuroinflammatory Diseases, Slow Virus Diseases, autoimmune disease, autoimmune disorder of the nervous system, brain disorder, central nervous system disorder, central nervous system infectious disorder, demyelinating disease, encephalitis, immune system disorder, infectious encephalitis, multiple sclerosis, nervous system disorder, polyomavirus infectious disease, progressive multifocal leukoencephalopathy, viral infection of central nervous system, viral infectious diseaseRecruitingNot stated2026-07-29NCT07732907
Intravenous Brincidofovir as an Antiviral for Treatment of Progressive Multifocal Leukoencephalopathy: A Pilot StudyDNA Virus Infections, Encephalitis, Viral, Infections, Leukoencephalopathies, Neuroinflammatory Diseases, Slow Virus Diseases, brain disorder, central nervous system disorder, central nervous system infectious disorder, demyelinating disease, encephalitis, infectious encephalitis, nervous system disorder, polyomavirus infectious disease, progressive multifocal leukoencephalopathy, viral infection of central nervous system, viral infectious diseaseRecruitingPhase 22026-07-22NCT07511049
Central Nervous System Uptake of Anti-CD8+ T Cell Minibodies in Multiple Sclerosis and Progressive Multifocal LeukoencephalopathyCNS demyelinating autoimmune disease, DNA Virus Infections, Encephalitis, Viral, Infections, Leukoencephalopathies, Neuroinflammatory Diseases, Slow Virus Diseases, autoimmune disease, autoimmune disorder of the nervous system, brain disorder, central nervous system disorder, central nervous system infectious disorder, demyelinating disease, encephalitis, immune system disorder, infectious encephalitis, multiple sclerosis, nervous system disorder, polyomavirus infectious disease, progressive multifocal leukoencephalopathy, viral infection of central nervous system, viral infectious diseaseRecruitingPhase 12026-06-05NCT05849467
Dexamethasone in Tick-borne EncephalitisEncephalitis, Arbovirus, Encephalitis, Viral, Flaviviridae infectious disease, Flavivirus Infections, Infections, Neuroinflammatory Diseases, RNA Virus Infections, arbovirus infection, brain disorder, central nervous system disorder, central nervous system infectious disorder, encephalitis, infectious encephalitis, nervous system disorder, tick-borne encephalitis, tick-borne infectious disease, vector-borne disease, viral infection of central nervous system, viral infectious diseaseRecruitingPhase 32026-05-13NCT07584525
Observational Cohort Study of Chronic Viral Infection in the Central Nervous SystemDNA Virus Infections, Encephalitis, Viral, Infections, Leukoencephalopathies, Neuroinflammatory Diseases, Slow Virus Diseases, brain disorder, central nervous system disorder, central nervous system infectious disorder, demyelinating disease, encephalitis, infectious encephalitis, nervous system disorder, polyomavirus infectious disease, progressive multifocal leukoencephalopathy, viral infection of central nervous system, viral infectious diseaseRecruitingNot stated2026-04-06NCT07512518
T-cell Therapy in Patients With PMLDNA Virus Infections, Encephalitis, Viral, Infections, Leukoencephalopathies, Neuroinflammatory Diseases, Slow Virus Diseases, brain disorder, central nervous system disorder, central nervous system infectious disorder, demyelinating disease, encephalitis, infectious encephalitis, nervous system disorder, polyomavirus infectious disease, progressive multifocal leukoencephalopathy, viral infection of central nervous system, viral infectious diseaseRecruitingPhase 22026-02-12NCT06990087
First-in-Human Study Testing a New Antibody Treatment for Tick-Borne Encephalitis in Healthy Volunteers.Encephalitis, Arbovirus, Encephalitis, Viral, Flaviviridae infectious disease, Flavivirus Infections, Infections, Neuroinflammatory Diseases, RNA Virus Infections, arbovirus infection, brain disorder, central nervous system disorder, central nervous system infectious disorder, encephalitis, infectious encephalitis, nervous system disorder, tick-borne encephalitis, tick-borne infectious disease, vector-borne disease, viral infection of central nervous system, viral infectious diseaseNot yet recruitingPhase 12026-01-29NCT07377253
Risk Assessment of Community Spread of Multiple Endemic Infectious Diseases in a One Health PerspectiveAdenophorea Infections, Alphavirus infectious disease, Arenaviridae infectious disease, Bacterial Infections and Mycoses, Bunyaviridae infectious disease, Caliciviridae infectious disease, Clostridium infectious disease, DNA Virus Infections, Digestive System Diseases, Disease Attributes, Encephalitis, Arbovirus, Encephalitis, Viral, Enoplea infectious disease, Epstein-Barr virus infection, Euglenozoa Infections, Flaviviridae infectious disease, Flavivirus Infections, Genital Diseases, Hemic and Lymphatic Diseases, Herpesviridae infectious disease, Infections, Infections, Arenavirus, Japanese encephalitis, Mononegavirales infectious disease, Mosquito-Borne Diseases, Mycoplasma Infections, Mycoplasmatales Infections, Neglected Diseases, Nematoda infectious disease, Neuroinflammatory Diseases, Nipah Virus Infection, Norovirus Infections, Paramyxoviridae infectious disease, Parvoviridae infectious disease, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Picornaviridae infectious disease, Q fever, RNA Virus Infections, Reoviridae infectious disease, Rift valley fever, Rotavirus infection, Rubivirus Infections, Secernentea Infections, Severe Fever with Thrombocytopenia Syndrome, Skin and Connective Tissue Diseases, Spirurida Infections, Stomatognathic Diseases, Togaviridae infectious disease, Trematode Infections, Tumor Virus Infections, Urogenital Diseases, Vaccine-Preventable Diseases, Varicella Zoster Virus Infection, Zika virus infectious disease, Zoonoses, adenoviridae infectious disease, arbovirus infection, bacterial infectious disease, bacterial sexually transmitted disease, bordetellosis, brain disorder, brucellosis, burkholderia infectious disease, central nervous system disorder, central nervous system infectious disorder, chickenpox, chikungunya, chlamydia infectious disease, chlamydiaceae infections, dengue disease, digestive system disorder, encephalitis, enterovirus infectious disease, filarial elephantiasis, filariasis, giardiasis, gram-negative bacterial infections, gram-positive bacterial infections, hantavirus infectious disease, helminthiasis, henipavirus infectious disease, hepatitis, hepatitis A virus infection, hepatitis E virus infection, hepatitis, non-human animal, hepatitis, viral, animal, infectious disease, infectious encephalitis, intestinal disorder, leishmaniasis, leptospirosis, liver disorder, lymphatic system disorder, lymphedema, malaria, measles, melioidosis, meningitis, morbillivirus infectious disease, mouth disorder, mumps infectious disease, nervous system disorder, non-human animal disease, parasitic infectious disease, parasitic intestinal disorder, parasitic skin disorder, parotid disorder, parotitis, pertussis, protozoa infectious disease, respiratory system disorder, respiratory tract infectious disorder, rubella, salivary gland disorder, schistosomiasis, sexually transmitted disease, skin disorder, skin disorder caused by infection, spirochaetales infections, tetanus, tick-borne encephalitis, tick-borne infectious disease, trichuriasis, vector-borne disease, viral hemorrhagic fever, viral hepatitis, viral infection of central nervous system, viral infectious disease, yellow feverRecruitingNot stated2026-01-22NCT07358910
Burden of Tick-borne Encephalitis and Cost-effectiveness of Vaccination in the Czech RepublicEncephalitis, Arbovirus, Encephalitis, Viral, Flaviviridae infectious disease, Flavivirus Infections, Infections, Neuroinflammatory Diseases, RNA Virus Infections, arbovirus infection, brain disorder, central nervous system disorder, central nervous system infectious disorder, encephalitis, infectious encephalitis, nervous system disorder, tick-borne encephalitis, tick-borne infectious disease, vector-borne disease, viral infection of central nervous system, viral infectious diseaseRecruitingNot stated2025-12-10NCT07274046
A Phase 2 Trial in Healthy Adult Participants of the Recombinant MVA-BN-WEV VaccineAlphavirus infectious disease, Encephalitis, Arbovirus, Encephalitis, Viral, Encephalomyelitis, Equine, Infections, Mosquito-Borne Diseases, Neuroinflammatory Diseases, RNA Virus Infections, Togaviridae infectious disease, arbovirus infection, brain disorder, central nervous system disorder, central nervous system infectious disorder, encephalitis, encephalomyelitis, infectious encephalitis, nervous system disorder, vector-borne disease, viral infection of central nervous system, viral infectious diseaseActive, not recruitingPhase 22025-10-01NCT06899802
Evaluation of Knowledge on Tick-borne Encephalitis Virus (TBEV) Infection Among General Practitioners in FranceBites and Stings, Chemically-Induced Disorders, Encephalitis, Arbovirus, Encephalitis, Viral, Flaviviridae infectious disease, Flavivirus Infections, Infections, Neuroinflammatory Diseases, RNA Virus Infections, Tick Bites, arbovirus infection, brain disorder, central nervous system disorder, central nervous system infectious disorder, encephalitis, infectious encephalitis, injury, nervous system disorder, poisoning, tick-borne encephalitis, tick-borne infectious disease, vector-borne disease, viral infection of central nervous system, viral infectious diseaseRecruitingNot stated2025-09-24NCT07191223
Evolving Diagnostic Approaches to Undocumented Lymphocytic Meningitis and MeningoencephalitisBites and Stings, Chemically-Induced Disorders, Encephalitis, Viral, Infections, Neuroinflammatory Diseases, Pathologic Processes, Pathological Conditions, Signs and Symptoms, Tick Bites, brain disorder, central nervous system disorder, central nervous system infectious disorder, disease, encephalitis, infectious encephalitis, injury, meningitis, nervous system disorder, poisoning, viral infection of central nervous system, viral infectious diseaseEnrolling by invitationNot stated2025-09-22NCT07186881
Diagnostics and Surveillance of Acute Meningo-encephalitis Among Children in Cambodia With a Focus on Japanese Encephalitis VirusEncephalitis, Arbovirus, Encephalitis, Viral, Flaviviridae infectious disease, Flavivirus Infections, Infections, Japanese encephalitis, Mosquito-Borne Diseases, Neuroinflammatory Diseases, RNA Virus Infections, arbovirus infection, brain disorder, central nervous system disorder, central nervous system infectious disorder, encephalitis, infectious encephalitis, nervous system disorder, vector-borne disease, viral infection of central nervous system, viral infectious diseaseNot yet recruitingNot stated2025-09-11NCT06674837
High-Titer Neutralizing Plasma for West Nile Fever in Hospitalized PatientsEncephalitis, Arbovirus, Encephalitis, Viral, Flaviviridae infectious disease, Flavivirus Infections, Infections, Mosquito-Borne Diseases, Neuroinflammatory Diseases, RNA Virus Infections, West Nile fever, arbovirus infection, brain disorder, central nervous system disorder, central nervous system infectious disorder, encephalitis, infectious encephalitis, nervous system disorder, vector-borne disease, viral infection of central nervous system, viral infectious diseaseRecruitingPhase 22025-08-26NCT07094724
A Phase 1 Study Evaluating the Safety, Tolerability, and Immunogenicity of V4020 Vaccine in Healthy VolunteersAlphavirus infectious disease, Encephalitis, Arbovirus, Encephalitis, Viral, Encephalomyelitis, Equine, Infections, Mosquito-Borne Diseases, Neuroinflammatory Diseases, RNA Virus Infections, Togaviridae infectious disease, Venezuelan equine encephalitis, arbovirus infection, brain disorder, central nervous system disorder, central nervous system infectious disorder, encephalitis, encephalomyelitis, infectious encephalitis, nervous system disorder, vector-borne disease, viral infection of central nervous system, viral infectious diseaseNot yet recruitingPhase 12025-07-28NCT07088822
Efficacy and Safety of Calculus Bovis Sativus (CBS) for Adult Encephalitis (CBSinEncephalitis)Encephalitis, Viral, Infections, Neuroinflammatory Diseases, autoimmune disease, autoimmune disorder of the nervous system, autoimmune encephalitis, brain disorder, central nervous system disorder, central nervous system infectious disorder, encephalitis, immune system disorder, infectious encephalitis, nervous system disorder, viral infection of central nervous system, viral infectious diseaseRecruitingNot applicable2025-04-08NCT06584045
Tick-borne Encephalitis and Borrelial Antibodies in SerumEncephalitis, Arbovirus, Encephalitis, Viral, Flaviviridae infectious disease, Flavivirus Infections, Infections, Neuroinflammatory Diseases, RNA Virus Infections, arbovirus infection, brain disorder, central nervous system disorder, central nervous system infectious disorder, encephalitis, infectious encephalitis, nervous system disorder, tick-borne encephalitis, tick-borne infectious disease, vector-borne disease, viral infection of central nervous system, viral infectious diseaseRecruitingNot applicable2025-03-25NCT03956446
Serological Measurement of Montpellier Professionals' Contacts with Infectious Agents Responsible for Animal-borne DiseasesAlphavirus infectious disease, Bacterial Infections and Mycoses, Borrelia infectious disease, Bunyaviridae infectious disease, Digestive System Diseases, Encephalitis, Arbovirus, Encephalitis, Viral, Euglenozoa Infections, Flaviviridae infectious disease, Flavivirus Infections, Infections, Lyme disease, Mosquito-Borne Diseases, Neuroinflammatory Diseases, Q fever, RNA Virus Infections, Respiration Disorders, Rickettsiaceae infectious disease, Rickettsiosis, Skin and Connective Tissue Diseases, Togaviridae infectious disease, Zika virus infectious disease, arbovirus infection, bacterial infectious disease, brain disorder, brucellosis, central nervous system disorder, central nervous system infectious disorder, chikungunya, chlamydia infectious disease, chlamydiaceae infections, encephalitis, gram-negative bacterial infections, hantavirus infectious disease, hantavirus pulmonary syndrome, hepatitis, hepatitis E virus infection, infectious encephalitis, leishmaniasis, leptospirosis, liver disorder, nervous system disorder, ornithosis, parasitic infectious disease, parasitic skin disorder, protozoa infectious disease, respiratory failure, respiratory system disorder, skin disorder, skin disorder caused by infection, spirochaetales infections, tick-borne encephalitis, tick-borne infectious disease, tularemia, vector-borne disease, viral hepatitis, viral infection of central nervous system, viral infectious diseaseNot yet recruitingNot applicable2025-03-05NCT06859619
Monitoring JE Antibody Levels in Healthy Populations and Immunization Strategy in Low-Prevalence AreasEncephalitis, Arbovirus, Encephalitis, Viral, Flaviviridae infectious disease, Flavivirus Infections, Infections, Japanese encephalitis, Mosquito-Borne Diseases, Neuroinflammatory Diseases, RNA Virus Infections, arbovirus infection, brain disorder, central nervous system disorder, central nervous system infectious disorder, encephalitis, infectious encephalitis, nervous system disorder, vector-borne disease, viral infection of central nervous system, viral infectious diseaseActive, not recruitingPhase 42024-12-13NCT06678373
The NOrwegian Tick-borne Encephalitis StudyEncephalitis, Arbovirus, Encephalitis, European Tick-Borne, Encephalitis, Viral, Flaviviridae infectious disease, Flavivirus Infections, Infections, Neuroinflammatory Diseases, RNA Virus Infections, arbovirus infection, brain disorder, central nervous system disorder, central nervous system infectious disorder, encephalitis, infectious encephalitis, nervous system disorder, tick-borne encephalitis, tick-borne infectious disease, vector-borne disease, viral infection of central nervous system, viral infectious diseaseActive, not recruitingNot stated2024-09-25NCT05138055
Pembrolizumab in Progressive Multifocal Leukoencephalopathy (PML) in Immunocompromised Patients Without HIV InfectionDNA Virus Infections, Encephalitis, Viral, Infections, Leukoencephalopathies, Neuroinflammatory Diseases, Slow Virus Diseases, brain disorder, central nervous system disorder, central nervous system infectious disorder, demyelinating disease, encephalitis, infectious encephalitis, nervous system disorder, polyomavirus infectious disease, progressive multifocal leukoencephalopathy, viral infection of central nervous system, viral infectious diseaseNot yet recruitingPhase 2 / Phase 32024-02-26NCT06276504
Safety and Immunogenicity Study of Venezuelan Equine Encephalomyelitis (VEE) Vaccine as Booster Vaccine in AdultsAlphavirus infectious disease, Encephalitis, Arbovirus, Encephalitis, Viral, Encephalomyelitis, Equine, Infections, Mosquito-Borne Diseases, Neuroinflammatory Diseases, RNA Virus Infections, Togaviridae infectious disease, Venezuelan equine encephalitis, arbovirus infection, brain disorder, central nervous system disorder, central nervous system infectious disorder, encephalitis, encephalomyelitis, infectious encephalitis, nervous system disorder, vector-borne disease, viral infection of central nervous system, viral infectious diseaseNot yet recruitingPhase 22021-02-16NCT03531242