Infectious encephalitis

This study tests two new mRNA vaccines (GBP560) against Japanese encephalitis, a virus that can cause brain swelling. About 402 healthy adults will receive different doses of the vaccine or a comparison vaccine. Researchers will monitor safety and measure immune responses to find…

This phase 2 trial tests the safety of brincidofovir, an antiviral drug, in 24 adults with progressive multifocal leukoencephalopathy (PML), a rare brain infection caused by the JC virus. Participants receive the drug intravenously twice a week for up to 12 weeks, with follow-up …

This study tests whether giving patients special donor immune cells (called CD45RA-depleted DLI) can treat viral infections that persist after a stem cell transplant. The trial involves 30 participants who have not improved with standard antiviral drugs. Researchers will measure …

This early-phase study tests whether specially trained immune cells from healthy donors can safely treat viral infections (EBV, CMV, adenovirus, BK virus) in patients who have had a stem cell transplant or certain CAR-T therapy. These infections can be life-threatening when the i…

This study tests whether specially grown donor immune cells (called cytotoxic T lymphocytes) can safely and effectively control BK and JC virus infections in people with weakened immune systems, such as those with cancer, HIV, or organ transplants. About 100 participants will rec…

This Phase 3 trial tests satralizumab, an injected drug, in 120 people with NMDAR or LGI1 encephalitis—rare conditions where the immune system attacks the brain. The goal is to see if the drug improves disability and reduces the need for rescue treatments. Participants receive ei…

This early-stage trial tests whether a specially engineered herpes virus (G207) is safe to inject directly into the brain tumors of children whose cancer has returned. Up to 24 children aged 3 to 21 will receive the virus, and some will also get a small dose of radiation to help …

This study tests whether the steroid dexamethasone can reduce brain damage in adults hospitalized with tick-borne encephalitis. Researchers will compare disability outcomes in 200 patients who receive either dexamethasone or a placebo. The goal is to see if this treatment lowers …

This study tests whether using early drug monitoring and a dose-adjustment calculator can help infants under 90 days old with sepsis reach target vancomycin levels more quickly. Currently, doctors must wait 24-48 hours to check drug levels, which can delay effective treatment. Th…

This early-stage trial is testing whether genetically modified T-cells can safely control viral infections in cancer patients with weakened immune systems. The T-cells are designed to target specific viruses like CMV, BK virus, or COVID-19. The study involves 30 participants and …

This study is testing whether immune checkpoint inhibitors, drugs that help the immune system fight infections, can improve outcomes for people with progressive multifocal leukoencephalopathy (PML), a rare brain virus. Researchers will follow 66 patients over a year, measuring di…

This study tests a new treatment for progressive multifocal leukoencephalopathy (PML), a rare brain infection with no approved therapy. Researchers will give 23 patients donor immune cells that target the virus causing PML. The goal is to see if the treatment is safe, improves ne…

This study compares two ways of giving the antibiotic cefepime to very sick patients with sepsis in the ICU. The new method adjusts the dose based on the patient's kidney function, using only standard doses. The main goal is to see if this approach is easy for doctors to use and …

This study tests whether specially grown immune cells from an unrelated donor can safely treat viral infections in people with weakened immune systems, such as after a stem cell transplant. About 750 participants will receive these cells and be monitored for side effects like inf…

This study tests whether specially grown donor immune cells (viral-specific T-cells) can safely treat viral infections that often occur after a stem cell transplant. These infections can be serious and sometimes don't respond to standard antiviral drugs. The approach aims to boos…

This study tests whether giving zinc supplements along with standard antibiotics can reduce deaths and improve recovery in young infants (0-59 days old) hospitalized with severe infections like sepsis or pneumonia. About 3,250 babies in Tanzania will receive either zinc or a plac…

This study is testing a new DNA-based test called Delve Detect CSF that looks for germs in spinal fluid. The goal is to see if using this test early, instead of as a last resort, helps doctors diagnose brain infections faster. About 400 people with suspected brain infections will…

This early-stage study tests a new imaging agent called 18F-4FN for PET scans to safely detect inflammation in the body. It involves 55 adults with cancer who are on immunotherapy or have suspected inflammation. The goal is to see if this agent can highlight areas of inflammation…

This study tests whether a computer alert can help doctors remember to prescribe blood-thinning medicine for high-risk patients after they leave the hospital. Blood clots are a serious risk for some hospitalized patients, even after discharge. The trial will include 400 adults ag…

This study looks at how the immune system changes with age and how that affects the risk of infections in people 60 and older. Researchers will collect blood, urine, stool, and other samples from elderly patients with infections and healthy older adults. By analyzing immune cells…

This study follows 700 people with progressive multifocal leukoencephalopathy (PML), a rare brain infection caused by the JC virus. Researchers will collect blood, spinal fluid, and brain scans over time to understand how the disease progresses. No treatment is given; the goal is…

This study aims to learn more about how infections and inflammation harm the brain and nerves. Researchers will collect samples and perform tests on people aged 2 and older who have or may have these conditions. The goal is to better understand these diseases so that better tests…

This study aims to improve how doctors evaluate and manage people who have been exposed to bioterrorism agents (like anthrax) or emerging infectious diseases (like SARS or new flu strains). Up to 200 participants, including patients and healthcare workers, will be monitored and t…

This pilot study tests whether a radioactive tracer called 89Zr-Df-crefmirlimab can help PET scans detect certain immune cells (CD8+ T cells) in the brain and spinal cord of people with multiple sclerosis (MS) or progressive multifocal leukoencephalopathy (PML). About 15 adults w…

This study aims to find blood-based biomarkers that can predict whether a child with acute disseminated encephalomyelitis (ADEM) will experience relapses. Researchers will analyze immune cells from blood samples of 20 children aged 1-18 with a first demyelinating event. The goal …

This study tests a new, lightweight ultrasound device called NeoDoppler that can be gently placed on a newborn's soft spot (fontanelle) to continuously measure blood flow in the brain. Researchers will enroll 180 preterm and full-term infants, including those with conditions like…

This study is creating a large registry and biobank of 10,000 adults with various infections, such as bloodstream, heart, and bone infections. Researchers will collect medical data and biological samples to describe the infections and their treatments. The goal is to better under…

This study aims to find genetic mutations in the brain that cause drug-resistant epilepsy in children. Researchers will compare DNA from blood and brain tissue, including samples from special electrodes placed in the brain. The goal is to better understand the root causes of thes…

This study is looking at whether early signs of inflammation in the blood can help identify which patients with infections are at risk for serious complications like sepsis. Researchers will follow 4,200 adults with confirmed or suspected infections, as well as healthy controls, …

This pilot study is measuring prednisolone levels in 120 people with inflammatory diseases like thyroid eye disease, vasculitis, COPD, asthma, and others. Participants take high-dose prednisolone as part of their routine care, and researchers take timed blood samples to see how t…

This study aims to better understand autoimmune encephalitis, a condition where the immune system attacks the brain. Researchers will analyze blood and spinal fluid from 20 patients to find new antibodies that may explain the disease in people who currently test negative. The goa…

This study looks at how the antibiotic ceftazidime avibactam behaves in 30 children with severe infections who are in intensive care, some on life support. Researchers will measure drug levels in the blood to understand the right dose. The goal is to improve treatment for life-th…

This study looks at 320 adults who are about to start strong immune-suppressing therapy and have already had at least two COVID-19 shots. Researchers want to find out if giving a COVID-19 booster right before starting therapy or waiting six months provides better protection. Part…

This study looks at how the antifungal medicine caspofungin behaves in children with severe infections, especially those with liver problems or on life support like ECMO. Researchers will measure drug levels in the blood to understand dosing needs. About 60 children in intensive …

This study will collect data from 2,000 children admitted to pediatric intensive care units (PICUs) with severe infections across major Chinese cities. Over 10 years, researchers will track which germs cause these infections, how they are treated, and patient outcomes. The goal i…

This study looks at two common antibiotic combinations given to hospitalized adults with infections: vancomycin plus piperacillin-tazobactam, or vancomycin plus cefepime. The goal is to see if one is less likely to cause kidney injury than the other, using more sensitive markers …

This study is a registry that collects information from 520 patients diagnosed with central nervous system (CNS) infections, such as meningitis or encephalitis. Researchers will track how many patients survive to discharge. The goal is to better understand these rare but serious …

This study will test 10,000 people in Cambodia for 57 different infectious diseases, including dengue, flu, and malaria. Researchers want to understand how these diseases spread and who is at risk. The goal is to give local health authorities the information they need to create b…

This study follows 209 children and adults hospitalized with tick-borne encephalitis (TBE) in the Czech Republic for one year after discharge. Researchers track symptoms like fatigue, headaches, memory problems, and weakness to see how long they last and who needs extra support. …

This study is testing whether next-generation sequencing can identify the infectious germs causing severe brain (encephalitis) and spinal cord (myelitis) inflammation in 100 patients in Guadeloupe. Many cases currently have no known cause. By analyzing spinal fluid, researchers h…

This pilot study is testing whether a smart wristband can accurately measure drug levels in sweat compared to standard blood tests. Researchers will collect sweat, saliva, and blood samples from 100 patients with chronic or infectious diseases who are taking medications like cycl…

This study is looking for new ways to diagnose sepsis, a life-threatening reaction to infection, earlier in the emergency room. Researchers will study the immune responses of 3,300 adults with suspected infections to find patterns that signal sepsis. The goal is to improve diagno…

This study surveys 100 doctors and trainees in France to assess their knowledge of tick-borne encephalitis, a rare but serious viral infection spread by ticks. The goal is to see if doctors in high-risk areas are more aware than those elsewhere, and to identify gaps that could im…