{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Viral+Encephalitis", "query": { "condition": "Viral Encephalitis" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 68, "total_pages": 7, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Viral+Encephalitis&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-05-22T05:26:24.227Z", "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.", "notes": [ "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.", "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.", "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees." ], "trials": [ { "nct_id": "NCT00002270", "title": "A Pilot Study of the Efficacy of Recombinant Alpha Interferon (IFN-A2b) and Zidovudine (AZT) in the Treatment of Progressive Multifocal Leukoencephalopathy (PML) Complicating HIV-1 Infection", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "HIV Infections", "Leukoencephalopathy, Progressive Multifocal" ], "interventions": [ { "name": "Interferon alfa-2b", "type": "DRUG" }, { "name": "Zidovudine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Miami", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": null, "start_date": null, "completion_date": null, "has_results": false, "last_update_posted_date": "2005-06-24", "last_synced_at": "2026-05-22T05:26:24.227Z", "location_count": 1, "location_summary": "Miami, Florida", "locations": [ { "city": "Miami", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002270" }, { "nct_id": "NCT00000794", "title": "Phase II Randomized Open-Label Trial of Atovaquone Plus Pyrimethamine and Atovaquone Plus Sulfadiazine for the Treatment of Acute Toxoplasmic Encephalitis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Toxoplasmosis, Cerebral", "HIV Infections" ], "interventions": [ { "name": "Sulfadiazine", "type": "DRUG" }, { "name": "Clarithromycin", "type": "DRUG" }, { "name": "Atovaquone", "type": "DRUG" }, { "name": "Pyrimethamine", "type": "DRUG" }, { "name": "Leucovorin calcium", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "13 Years", "maximum_age": null, "sex": "ALL", "summary": "13 Years and older" }, "enrollment_count": 100, "start_date": null, "completion_date": "1998-04", "has_results": false, "last_update_posted_date": "2021-10-28", "last_synced_at": "2026-05-22T05:26:24.227Z", "location_count": 16, "location_summary": "Los Angeles, California • Miami, Florida • Honolulu, Hawaii + 8 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Miami", "state": "Florida" }, { "city": "Honolulu", "state": "Hawaii" }, { "city": "Honolulu", "state": "Hawaii" }, { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT00000794" }, { "nct_id": "NCT06899802", "title": "A Phase 2 Trial in Healthy Adult Participants of the Recombinant MVA-BN-WEV Vaccine", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Encephalitis" ], "interventions": [ { "name": "MVA-BN-WEV", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "OTHER" } ], "intervention_types": [ "BIOLOGICAL", "OTHER" ], "sponsor": "Bavarian Nordic", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "50 Years", "sex": "ALL", "summary": "18 Years to 50 Years" }, "enrollment_count": 411, "start_date": "2025-03-10", "completion_date": "2027-03", "has_results": false, "last_update_posted_date": "2025-10-01", "last_synced_at": "2026-05-22T05:26:24.227Z", "location_count": 9, "location_summary": "Sacramento, California • Lilburn, Georgia • Lenexa, Kansas + 6 more", "locations": [ { "city": "Sacramento", "state": "California" }, { "city": "Lilburn", "state": "Georgia" }, { "city": "Lenexa", "state": "Kansas" }, { "city": "Versailles", "state": "Kentucky" }, { "city": "Kenner", "state": "Louisiana" } ], "official_url": "https://clinicaltrials.gov/study/NCT06899802" }, { "nct_id": "NCT00582504", "title": "Safety and Immunogenicity Study of the Venezuelan Equine Encephalomyelitis Vaccine", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Venezuelan Equine Encephalomyelitis" ], "interventions": [ { "name": "VEE TC-83", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "U.S. Army Medical Research and Development Command", "sponsor_class": "FED", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 500, "start_date": "2007-09", "completion_date": "2022-06", "has_results": false, "last_update_posted_date": "2021-02-11", "last_synced_at": "2026-05-22T05:26:24.227Z", "location_count": 1, "location_summary": "Fort Deterick, Maryland", "locations": [ { "city": "Fort Deterick", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT00582504" }, { "nct_id": "NCT00314132", "title": "Safety Study of ChimeriVax™-JE Vaccine to Prevent Japanese Encephalitis.", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Encephalitis", "Japanese Encephalitis" ], "interventions": [ { "name": "ChimeriVax-JE, Japanese Encephalitis vaccine", "type": "BIOLOGICAL" }, { "name": "0.9% Saline", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Sanofi", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 2004, "start_date": "2005-10", "completion_date": "2006-11", "has_results": true, "last_update_posted_date": "2012-12-06", "last_synced_at": "2026-05-22T05:26:24.227Z", "location_count": 16, "location_summary": "Burbank, California • Costa Mesa, California • Davis, California + 13 more", "locations": [ { "city": "Burbank", "state": "California" }, { "city": "Costa Mesa", "state": "California" }, { "city": "Davis", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Vallejo", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00314132" }, { "nct_id": "NCT03531242", "title": "Safety and Immunogenicity Study of Venezuelan Equine Encephalomyelitis (VEE) Vaccine as Booster Vaccine in Adults", "overall_status": "NOT_YET_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Venezuelan Equine Encephalomyelitis" ], "interventions": [ { "name": "0.5 mL Inactivated, Dried, C-84, TSI-GSD 205, Lot 7, Run 1", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "U.S. Army Medical Research and Development Command", "sponsor_class": "FED", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 500, "start_date": "2021-06", "completion_date": "2024-12", "has_results": false, "last_update_posted_date": "2021-02-16", "last_synced_at": "2026-05-22T05:26:24.227Z", "location_count": 1, "location_summary": "Fort Deterick, Maryland", "locations": [ { "city": "Fort Deterick", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT03531242" }, { "nct_id": "NCT02466750", "title": "Safety and Immunogenicity Study of the Western Equine Encephalitis (WEE) Vaccine", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Western Equine Encephalitis" ], "interventions": [ { "name": "Western Equine Encephalitis (WEE) Vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "U.S. Army Medical Research and Development Command", "sponsor_class": "FED", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 500, "start_date": "2015-12-15", "completion_date": "2021-12", "has_results": false, "last_update_posted_date": "2021-02-11", "last_synced_at": "2026-05-22T05:26:24.227Z", "location_count": 1, "location_summary": "Fort Deterick, Maryland", "locations": [ { "city": "Fort Deterick", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT02466750" }, { "nct_id": "NCT05934149", "title": "Lupus Landmark Study: A Prospective Registry and Biorepository", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Systemic Lupus Erythematosus (SLE)", "Lupus Nephritis", "Neuropsychiatric Systemic Lupus Erythematosus" ], "interventions": [], "intervention_types": [], "sponsor": "Lupus Research Alliance", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "110 Years", "sex": "ALL", "summary": "18 Years to 110 Years" }, "enrollment_count": 3500, "start_date": "2023-06-28", "completion_date": "2035-12", "has_results": false, "last_update_posted_date": "2026-04-15", "last_synced_at": "2026-05-22T05:26:24.227Z", "location_count": 19, "location_summary": "Birmingham, Alabama • Tucson, Arizona • Beverly Hills, California + 15 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Beverly Hills", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Washington D.C.", "state": "District of Columbia" } ], "official_url": "https://clinicaltrials.gov/study/NCT05934149" }, { "nct_id": "NCT04806620", "title": "Unhide® Project: A Digital Health Platform to Collect Lifestyle Data for Brain Inflammation Research", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "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": [], "intervention_types": [], "sponsor": "Brain Inflammation Collaborative", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "2 Years", "maximum_age": null, "sex": "ALL", "summary": "2 Years and older" }, "enrollment_count": 10000, "start_date": "2023-07-05", "completion_date": "2030-12-31", "has_results": false, "last_update_posted_date": "2026-01-22", "last_synced_at": "2026-05-22T05:26:24.227Z", "location_count": 1, "location_summary": "Delafield, Wisconsin", "locations": [ { "city": "Delafield", "state": "Wisconsin" } ], "official_url": "https://clinicaltrials.gov/study/NCT04806620" }, { "nct_id": "NCT03399981", "title": "Tysabri Observational Cohort Study - Multiple Sclerosis (MS) Registries", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Progressive Multifocal Leukoencephalopathy" ], "interventions": [ { "name": "Tysabri", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Biogen", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "ALL", "summary": "Not listed" }, "enrollment_count": 80327, "start_date": "2017-06-01", "completion_date": "2023-12-31", "has_results": false, "last_update_posted_date": "2024-03-19", "last_synced_at": "2026-05-22T05:26:24.227Z", "location_count": 1, "location_summary": "Cambridge, Massachusetts", "locations": [ { "city": "Cambridge", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT03399981" } ] }