Encephalitis
MONDO:0019956An acute inflammatory process affecting the brain parenchyma. Causes include viral infections and less frequently bacterial infections, toxins, and immune-mediated processes.
Also known as: brain inflammation
91 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsSub-types
Broader categories
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Blood-Filtering therapy may tame rare brain inflammation in children
Disease control CompletedThis trial investigates whether a blood-filtering procedure called immunoadsorption (IA), combined with the drug rituximab, can improve neurological function in children aged 0-18 with severe anti-NMDAR encephalitis. Participants receive 10 IA sessions over 28 days plus weekly ri…
Phase: PHASE2 • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Disease control
Last updated Aug 12, 2026 00:00 UTC
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Could donor cells beat a deadly brain virus?
Disease control CompletedThis early-phase study tested whether infusing virus-fighting immune cells from a healthy donor could safely treat progressive multifocal leukoencephalopathy (PML), a serious brain infection in people with weak immune systems. Sixty adults with PML received up to three infusions …
Phase: EARLY_PHASE1 • Sponsor: National Institute of Neurological Disorders and Stroke (NINDS) • Aim: Disease control
Last updated Jul 19, 2026 00:00 UTC
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Could an Immune-Modulating drug slow early Alzheimer's?
Disease control CompletedThis phase 2 trial investigates whether lenalidomide, a drug that calms inflammation, can slow cognitive decline in people with mild cognitive impairment due to Alzheimer's disease. Participants take lenalidomide or a placebo for up to 12 months, followed by a 6-month washout per…
Phase: PHASE2 • Sponsor: St. Joseph's Hospital and Medical Center, Phoenix • Aim: Disease control
Last updated Jun 27, 2026 13:08 UTC
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New antibody drug aims to block brain attacks in autoimmune encephalitis
Disease control CompletedThis early-stage trial tested a new drug called ART5803 in 64 healthy adults to see if it is safe. ART5803 is a lab-made antibody designed to block harmful immune proteins that attack the brain in autoimmune encephalitis. The study gave single or multiple doses and compared them …
Phase: PHASE1 • Sponsor: Arialys Therapeutics • Aim: Disease control
Last updated Jun 27, 2026 12:25 UTC
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New hope for HIV patients with rare brain disease?
Disease control CompletedThis study tested whether adding a powerful HIV drug called FUZEON® to standard antiretroviral therapy could help people with HIV who also have a rare brain infection called PML. PML is caused by a virus that attacks the brain when the immune system is weak. The goal was to see i…
Phase: PHASE2 • Sponsor: French National Agency for Research on AIDS and Viral Hepatitis • Aim: Disease control
Last updated Jun 27, 2026 12:03 UTC
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Experimental drug aims to rebuild immunity against rare brain infection
Disease control CompletedThis early-phase study tested a drug called NT-I7 in 12 adults with progressive multifocal leukoencephalopathy (PML), a serious brain infection that occurs in people with weakened immune systems. The goal was to see if NT-I7 could increase the number of infection-fighting white b…
Phase: EARLY_PHASE1 • Sponsor: National Institute of Neurological Disorders and Stroke (NINDS) • Aim: Disease control
Last updated Jun 27, 2026 07:57 UTC
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One-Hour brain infection test could save lives
Diagnosis CompletedThis study tested a new rapid diagnostic panel called QIAstat-Dx that can detect 15 different bacteria, viruses, and fungi causing meningitis and encephalitis in just one hour. Researchers compared its accuracy against standard lab tests using 170 stored spinal fluid samples. If …
Sponsor: IRCCS Azienda Ospedaliero-Universitaria di Bologna • Aim: Diagnosis
Last updated Jun 27, 2026 08:05 UTC
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Could music be medicine for the injured brain?
Symptom relief CompletedThis trial tests whether adding music therapy to standard rehabilitation helps people recover better after serious neurological injuries like stroke, brain injury, or spinal cord damage. About 75 participants aged 16-80 will be randomly assigned to receive either music therapy or…
Phase: NA • Sponsor: University College, London • Aim: Symptom relief
Last updated Aug 14, 2026 00:00 UTC
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Can we predict who will relapse after brain inflammation?
Knowledge-focused CompletedThis study examines a rare brain disease called anti-LGI1 encephalitis, where the immune system attacks a protein in the brain, causing memory loss, confusion, and seizures. Researchers will review medical records from 112 patients across five hospitals in Eastern China to see ho…
Sponsor: Shen Chun-Hong • Aim: Knowledge-focused
Last updated Jul 25, 2026 00:00 UTC
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Scientists probe hidden memory system that might survive brain damage
Knowledge-focused CompletedThis completed study looked at how people learn and remember associations, like names or where you met someone. Researchers compared healthy young and older adults with patients who have memory problems from Alzheimer's or semantic dementia. They used memory tests and brain scans…
Phase: NA • Sponsor: Rennes University Hospital • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:00 UTC
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Healthy volunteers help test new drug for brain inflammation
Knowledge-focused CompletedThis early-stage study tested a single dose of a new drug called ART5803 in 7 healthy adults to see if it is safe and how it interacts with another medicine (IVIG). The goal was to gather information for future research on autoimmune encephalitis, a condition where the immune sys…
Phase: PHASE1 • Sponsor: Arialys Therapeutics • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:24 UTC
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Hunt for tick virus in limousin: 878 tested
Knowledge-focused CompletedThis completed study tested blood samples from 878 people in Limousin, France, for antibodies against tick-borne encephalitis virus (TBEV). The goal was to see if the virus is present in the region, especially in patients with Lyme disease or neurological symptoms. Researchers al…
Sponsor: University Hospital, Limoges • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:05 UTC
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Researchers review best acyclovir dose for obese patients with rare brain infection
Knowledge-focused CompletedThis completed study reviewed medical records of 50 obese adults with HSV encephalitis (a brain infection) to see how different ways of calculating acyclovir dose affect survival. Researchers looked at patients treated between 2013 and 2019 at six hospitals. The goal was to find …
Sponsor: Methodist Health System • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:00 UTC
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Scientists probe gene link to rare brain disease after infections
Knowledge-focused CompletedThis study looks at how a specific gene mutation (RANBP2) affects the immune system in people with Acute Necrotizing Encephalopathy type 1 (ANE1), a rare brain condition triggered by infections. Researchers compared blood samples from 35 participants, including patients with the …
Phase: NA • Sponsor: University Hospital, Montpellier • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:02 UTC
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MRI contrast dye may skew brain scans, study finds
Knowledge-focused CompletedThis study looked at how gadolinium, a dye used in MRI scans, changes the QSM signal in the brain's white matter. 73 patients with inflammatory central nervous system conditions had MRI scans before and after receiving gadolinium. The goal was to measure any differences in the si…
Sponsor: Fondation Ophtalmologique Adolphe de Rothschild • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:09 UTC
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Scientists uncover how PML virus hides from immune system
Knowledge-focused CompletedThis study looked at 22 people with PML, a rare brain infection caused by the JC virus in those with weakened immune systems. Researchers collected blood, urine, and spinal fluid samples over six months to measure immune checkpoint molecules and antiviral responses. The goal was …
Phase: NA • Sponsor: University Hospital, Toulouse • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:07 UTC
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Life after a rare brain disease: what happens to patients in the long run?
Knowledge-focused CompletedThis study looked at 20 adults who had NMDA receptor encephalitis, a rare brain condition that can cause psychosis, memory loss, and seizures. Researchers used questionnaires to measure thinking skills, mood, fatigue, and quality of life after the acute phase. The goal was to und…
Sponsor: Hospices Civils de Lyon • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:06 UTC