Streptococcal pneumonia

This study tests whether a two-shot pneumonia vaccine series (PCV20 and PPSV23) can help people with chronic lymphocytic leukemia (CLL) build a stronger immune defense against pneumococcal infections. About 61 adults with CLL who have not yet had treatment, or who are on a specif…

This study looks at whether giving the 20-valent pneumococcal vaccine (PCV-20) to adults while they have a fever is as effective and safe as waiting until they are well. About 1052 adults with certain health risks (like heart or lung disease) will take part. The goal is to see if…

This study compares two pneumococcal vaccination strategies in 160 adults with lymphoma who have had chemotherapy. One group gets two vaccines (Prevenar 13 followed by Pneumovax 23), while the other gets a single newer vaccine (Prevenar 20). Researchers will measure immune respon…

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 study tests whether ColdZyme mouth spray can lower the amount of virus people breathe out when they have a cold or flu. Researchers will measure virus particles in exhaled air before and after using the spray. The goal is to see if the spray might help reduce airborne transm…

This study looks at whether monitoring the immune response to the cytomegalovirus (CMV) can help prevent CMV disease in people who receive a lung transplant. About 100 adult lung transplant patients who have had CMV in the past will be followed. The goal is to see if tracking CMV…

This study is testing whether a powerful antibiotic called piperacillin/tazobactam can be given as a continuous shot under the skin instead of through an IV line. About 240 adults with serious bacterial infections will be randomly assigned to receive the drug either subcutaneousl…

This study tests whether giving oral antibiotics instead of IV antibiotics is just as safe and effective for patients with common infections like pneumonia, urinary tract infections, and cellulitis. About 4,000 adults in Danish emergency rooms will be randomly assigned to start o…

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 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 tests whether the antiviral drug acyclovir helps people on breathing machines who have pneumonia and also have herpes simplex virus (HSV) in their lungs. About 616 adults in intensive care will be randomly assigned to receive acyclovir or no antiviral treatment. The go…

This study tests a new technology called Pictura Bio that aims to detect respiratory viruses quickly and cheaply from nose or throat swabs. Researchers will collect samples from 1000 adults and children with suspected viral infections at a UK hospital. The data will be used to tr…

This study is testing new rapid tests (lateral flow and microfluidic devices) to detect respiratory infections in children and adults in Uganda, Ethiopia, and Senegal. Researchers want to see if these tests are accurate and easy to use in low-resource clinics. Participants with r…

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 is testing a special MRI scan that uses xenon gas to take detailed pictures of lung function. It includes 260 healthy volunteers and people with lung diseases like asthma, COPD, and cystic fibrosis. The goal is to see if this method can better detect and measure lung p…

This early study is testing a radioactive tracer called [18F]F-TMP that is injected into the body and then tracked with a PET/CT scan. The goal is to see if the tracer collects at sites of bacterial infection, making them visible on the scan. Twenty adults with known or suspected…

This study is testing a new diagnostic tool that helps doctors quickly tell if a respiratory infection is caused by bacteria or a virus. The goal is to see if using this test leads to better treatment decisions, fewer unnecessary antibiotics, and lower healthcare costs. About 100…

This study is testing a finger-prick blood test called FebriDx in 800 children aged 2-11 who have a fever and symptoms of a respiratory infection. The goal is to see if the test can quickly tell whether the infection is caused by bacteria or something else (like a virus). If accu…

This study is testing a hypertonic seawater aerosol spray (a saltwater mist) to see if it helps relieve nasal symptoms, improve sleep, and thin mucus in people with colds, sinus infections, or similar upper respiratory infections. About 110 adults and children aged 2 and older wi…

This study tests whether giving antibiotics through a small, portable pump over 24 hours is safe and cost-effective for children with serious bacterial infections. About 150 kids who are stable enough for home care will receive the pump instead of multiple daily hospital injectio…

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 tests whether implementing new Swiss national guidelines for acute respiratory infections can reduce unnecessary antibiotic prescribing in primary care. Researchers will work with 200 family doctors in quality circles and walk-in clinics, providing training and materia…

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 study is observing 2,000 children under 2 years old in Ho Chi Minh City who have respiratory infections. Researchers will test for RSV, track how the virus spreads across seasons, and measure the illness's impact on families, including medical costs. No new treatments or vac…

This study is testing a new rapid diagnostic device called In-Dx to quickly identify infections and antibiotic resistance in emergency patients with suspected sepsis. Researchers will compare the device's results to standard lab cultures using stored samples from 2,500 patients. …

This study gathers fluid and tissue from the lungs and nose of healthy volunteers and people with a history of lung infections. Researchers will compare samples to find differences in immune function that might explain why some people are more prone to infections. Participants un…

This study is analyzing the exhaled breath of 5,000 people with lung or airway diseases to find unique molecular patterns. The goal is to better identify and distinguish different respiratory conditions and improve disease management. Participants simply provide breath samples, a…

This study is observing 1,000 people with liver cirrhosis who have bacterial infections and are being treated with β-lactam antibiotics. Researchers want to see how the body processes these drugs and whether personalized dosing could improve survival. The study is observational, …

This study tests two ways to help general practitioners (GPs) use antimicrobial stewardship resources when treating respiratory tract infections. One group gets online training and self-audit tools; the other gets face-to-face support. Researchers will track how often GPs use the…

This study aims to see if analyzing the chemicals in a child's breath can help diagnose and monitor diseases like asthma, neurological disorders, and type 1 diabetes. Researchers will collect breath samples from up to 3,600 children and teens to find patterns linked to these cond…

This study creates a registry and biorepository of lung images and biological samples from 100 people with pulmonary disease. Researchers will use this information to better understand imaging biomarkers and develop new analysis methods for CT and MRI scans. Participants must alr…

This study looks at the types of germs and their resistance genes in 800 people with pneumonia. Researchers will compare severe and mild cases to understand which microbes and resistance patterns are most common. The goal is to improve how doctors diagnose and treat pneumonia, es…

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 will follow 2,000 people of all ages who visit their doctor with symptoms of an acute respiratory infection, like cough, sore throat, or runny nose. Researchers will collect information on symptoms, treatments, and lab results to better understand how these infections …

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 study will follow 1000 adults for up to 10 years, using a special type of CT scan (photon-counting) to look for lung nodules, tumors, and other lung conditions. Researchers will also use artificial intelligence to create a virtual copy of each person's lungs, called a 'digit…

This study looks at whether a quick lab test (Spotfire R/ST) can help doctors decide when antibiotics are truly needed for people with respiratory infections like colds or sore throats. About 800 urgent care patients will take part, and researchers will compare antibiotic use bef…

This study measures how hard children with conditions like neuromuscular disease, scoliosis, or heart problems work to breathe. Researchers use a thin tube placed through the nose into the esophagus to measure breathing muscle strength and effort. The goal is to better understand…

This early-stage study is testing whether a single dose of an experimental antibiotic combination (sulopenem etzadroxil plus probenecid) is safe and tolerable in 12 adolescents already receiving standard antibiotics for a bacterial infection. Researchers will measure how the drug…

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 uses donated human lungs to develop a standard method for a new freezing catheter that can take tissue samples (biopsy) and destroy abnormal tissue (ablation). Researchers will test different freezing times and temperatures to find the safest and most effective techniq…

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 looks at whether a special breathing therapy called OLE (Oscillatory Lung Expansion) helps ICU patients with pneumonia clear mucus from their lungs. Researchers will use a lung imaging tool (EIT) to see how well the therapy works. About 62 adults in the ICU will take p…

This study is building a bio-bank of blood samples from people who have had a lung transplant. Researchers will use these samples to study advanced lung diseases and improve transplant care. The goal is to better understand how infections and other factors affect patient outcomes…

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 will follow 1,000 adults who come to fever clinics with a respiratory infection. Researchers will collect data on symptoms, lab tests, and chest scans at the start, then check in over time to see who develops pneumonia or other complications. The goal is to better unde…

This study in Kyrgyzstan is testing whether using a rapid C-reactive protein (CRP) blood test and giving patients an information leaflet can help doctors prescribe fewer antibiotics for respiratory infections like coughs and sore throats. About 1050 adults will be randomly assign…

This study is looking for better ways to predict if a lung transplant will be rejected. Researchers will collect blood samples from 244 lung transplant recipients over time and analyze them using advanced techniques. The goal is to create a model that can identify early signs of …

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 pilot study is testing a new ultrasound tool that measures how much the lungs stretch (strain) in patients on breathing machines in the ICU. The goal is to collect initial data from 10 adults with lung disease to see if this technique can help doctors better monitor and prev…