Bacterial pneumonia

This early-stage study tests a new pneumococcal vaccine booster in 45 toddlers aged 12-15 months who already received their routine pneumonia shots. The goal is to check for side effects like tenderness, fever, and sleepiness. The study compares the new vaccine to an existing one…

This early-phase trial will test a combination of a Chinese herbal formula (Yiqi Huoxue Jiedu) and bacteriophages (viruses that target bacteria) in 250 people with severe pneumonia caused by drug-resistant bacteria. The goal is to see if this combo can clear the infection faster …

This early-stage trial tests MP101, a mix of two viruses that attack bacteria (phages), in 18 adults with Pseudomonas aeruginosa pneumonia. Participants receive a single dose of MP101 or a placebo alongside standard antibiotics. The main goal is to check safety and how the body h…

This study compares two common antibiotic combinations—vancomycin with piperacillin/tazobactam versus vancomycin with meropenem—to see which is less harmful to the kidneys. About 852 hospitalized adults with serious infections will be randomly assigned to one of the two combos. T…

This early-stage study tests a new pneumococcal vaccine (Pn-MAPS30plus) in 60 healthy infants to see if it is safe and what side effects it may cause. Babies will receive three doses starting around 2 months old, followed by a booster at 12-15 months. The study compares the new v…

This early-phase trial tests a Chinese herbal formula (Yiqi Huoxue Jiedu) combined with bacteriophages—viruses that target specific bacteria—in 240 people with severe pneumonia caused by drug-resistant germs. The goal is to see if the combination clears the infection faster and l…

This study compares two antibiotics—doxycycline and azithromycin—in 208 children aged 3 to 17 with pneumonia caused by Mycoplasma pneumoniae. The goal is to see if doxycycline stops fever faster and is safe, especially regarding tooth color changes. Participants take the medicine…

This early-stage study tests whether adding specially-made viruses (phages) to standard antibiotics can safely treat stubborn lung infections in adults with cystic fibrosis. About 30 participants will receive a 7-day course of both treatments. The main goal is to check safety, bu…

This study tests whether adding a traditional Chinese medicine formula, Feireqing Granules, to standard care can improve survival in people with severe pneumonia caused by multidrug-resistant Gram-negative bacteria. The trial will enroll 152 adults and measure death rates at 14 a…

This study compares a rapid test that identifies pneumonia-causing bacteria in about one hour to standard lab methods that take 2-4 days. Researchers want to see if the faster test helps doctors choose the right antibiotics sooner for 150 hospitalized patients with pneumonia. The…

This study tests whether analyzing chemicals in a person's breath can quickly identify serious respiratory infections like COVID-19, flu, and Legionella in hospitalized patients. Researchers will collect breath samples from 777 adults using a simple bag, then analyze them in a la…

This study aims to see if analyzing chemicals in a person's breath can rapidly detect respiratory infections like COVID-19 or the flu. Researchers will collect breath samples from 1,665 adults with symptoms and healthy volunteers. If successful, this non-invasive test could offer…

This study will test whether a new urine-based test can accurately diagnose pneumococcal pneumonia in children under 5 in Malawi. Researchers will use 350 stored urine samples from healthy kids and those with pneumonia, comparing results to standard lab methods. If it works, this…

This study tests whether a rapid PCR test done right in the clinic can help doctors diagnose and treat acute respiratory infections faster. Over 16,000 adults at risk of severe illness will take part. The goal is to see if this approach lowers rates of respiratory failure and hos…

This trial tests a handheld light device (RD-X19) to see if using it for 5 minutes every other day can prevent upper respiratory infections like COVID-19 and flu. It involves 130 military personnel and their families at a single base. Half will get the real device, half a sham de…

This study tests whether PMBL® sublingual tablets can reduce the number of respiratory infections (like colds) in children aged 3 to 12 who are prone to getting sick. Half the children will receive the active tablet, and half will receive a placebo (inactive tablet) for 3 months,…

This study tests whether a daily supplement called AHCC, made from shiitake mushrooms, can reduce the number of respiratory infections (like colds) in children aged 2 to 4. Sixty children in daycare will receive either AHCC or a placebo for three months. Researchers will track fe…

This study tests whether a ketogenic diet (low carb, high fat) is better than a standard diet at preserving muscle function in older adults hospitalized with pneumonia. Researchers will enroll 30 patients aged 55 and older and measure handgrip strength and diet adherence. The goa…

This study looks at how well and how safely SIROPSEDAL syrup works for acute cough caused by colds or upper respiratory infections. About 124 children and adults will take the syrup as prescribed by their doctor and report their cough severity over one week. The main goal is to s…

This study compares a new, simpler nerve block method to the traditional one for people having lung surgery with a camera (VATS). The goal is to see if the new method works just as well for pain control and helps patients recover faster. About 200 adults will be randomly assigned…

This study looks at whether watching cartoons or listening to breath-synchronized interactive stories can help children aged 6-9 feel less afraid and more comfortable while using a nebulizer for breathing medication. About 96 children with respiratory conditions will be randomly …

This study looks at whether a fast, bedside test (SPOTFIRE) can help doctors better treat children with respiratory infections in the emergency department. About 720 children aged 2 months to 18 years will be randomly assigned to either get the rapid test or standard care. The go…

This study tests if applying cold (cryotherapy) to the wrist before a blood draw from the artery can reduce pain. It involves 258 adults with chronic respiratory diseases who need this test. The goal is to find a simple, drug-free way to make the procedure less painful.

This study looks at 200 people with pneumonia to find out how many actually have an infection caused by Chlamydia pneumoniae, a type of bacteria. Researchers will use PCR tests to check for the germ and compare results with standard care. The goal is to see if this infection is o…

This observational study will look at 10,000 adults in intensive care units (ICUs) around the world during a single 24-hour period. Researchers want to find out how common infections and antibiotic-resistant bacteria are, how they are treated, and how patients recover. No new tre…

This research project aims to understand why older adults get more infections and why those infections can be more serious. By following 23,000 people aged 60 and older, scientists will collect health data and samples like blood and stool to study how the immune system changes wi…

This study will track which respiratory viruses—like flu, COVID-19, and RSV—are circulating in French primary care clinics each winter. Up to 25,000 patients with cold or flu symptoms will provide a saliva or nose swab sample. The goal is to monitor virus activity and help guide …

This study looks at vitamin D levels in 63 critically ill children (ages 1 month to 12 years) admitted to the ICU with severe breathing infections. Researchers will measure vitamin D in the first 24 hours and compare it to how severe the infection is and the risk of death. The go…

This study aims to find out how often multi-drug resistant Klebsiella pneumoniae bacteria carry genes that help them form biofilms (sticky layers) and pump out antibiotics. Researchers will collect urine, pus, and sputum samples from 100 hospital patients with these infections. T…

This early-stage study will give a single dose of the experimental antibiotic gepotidacin to 20 hospitalized children aged 2 to 12 who are already receiving standard antibiotics for a bacterial infection or as a preventive measure. Researchers will measure how the drug moves thro…

This study looks at whether certain genes in a dangerous superbug (carbapenem-resistant hypervirulent Klebsiella pneumoniae) make it resistant to the powerful antibiotic cefiderocol. Researchers will collect samples from 100 infected patients and test the bacteria in the lab. The…

This study looks at how different features of an AI system affect the way primary care doctors diagnose and treat respiratory infections. About 3,000 doctors in China will use a web-based tool with various AI features, such as automated data entry or stepwise medication suggestio…

This study will examine gut bacteria, immune markers, and nutrient levels in 120 children with different respiratory health conditions, including pneumonia and recurrent infections, compared to healthy kids. By analyzing stool samples and health data, researchers hope to understa…

This study looks at how the immune system works in people with lung diseases like asthma, COPD, pneumonia, and tuberculosis. Researchers will take a single blood sample from 100 adults to study immune cell changes during inflammation and infection. Participants won't receive dire…

This study will collect blood samples from 30,000 adults in the UK with various health conditions, including blood clots, infections, heart disease, diabetes, and more. The samples will be used to develop and fine-tune new diagnostic tests for the cobas® lumira device, which allo…

This study will test the antibiotic combination ceftazidime-avibactam on 100 patients with healthcare-associated infections caused by carbapenem-resistant Klebsiella pneumoniae. Researchers will collect samples from blood, urine, and other sites to identify the bacteria and check…

This study will follow 300 adults with severe infections in the ICU to see how levels of specialized pro-resolving mediators (SPMs)—natural molecules that help stop inflammation—change over time. Researchers will use blood samples already collected during routine care, so no extr…

This study will collect medical information and samples from 300 cancer patients who have or are at risk for a serious fungal infection called mucormycosis. Researchers hope to learn more about how the infection develops and how to better diagnose and manage it. Participants will…

This study will observe 300 children and young adults (ages 0-20) with respiratory tract infections to see if chest ultrasound can predict their outcomes, such as need for hospitalization or ICU care. Researchers will use an ultrasound score and combine it with clinical data to s…