Respiratory tract infectious disorder

This study tests an experimental flu vaccine called BPL-1357, given as a shot or nasal spray, to see if it is safe and can protect against multiple flu types. About 129 healthy adults aged 18-55 will receive the vaccine or a placebo, then be exposed to a flu virus in a controlled…

This early-stage study is testing a new mRNA vaccine that aims to protect against both seasonal flu and COVID-19 with a single shot. Around 1,475 healthy adults aged 65 to 85 will receive either the new combo vaccine, a standard flu vaccine, or a licensed COVID-19 vaccine. Resear…

This study tests a new vaccine called rF1V-1018 to prevent pneumonic plague, a severe lung infection spread by aerosol. Researchers will give the vaccine to 148 healthy adults aged 18 to 55 to check if it triggers a strong immune response and is safe. The goal is to find the best…

This early-stage study tests a new flu vaccine (STEMos1) in 56 healthy adults aged 18-50. Half of the participants get the vaccine with an adjuvant (a substance that boosts the immune response), and half get it without. The goal is to check safety and how well the vaccine trigger…

This study tests a new nasal spray vaccine (BLB-201) to prevent RSV, a common virus that can cause serious breathing problems in young children. About 137 infants and children aged 8 to 59 months will receive either the vaccine or a placebo. The goal is to check if the vaccine is…

This study tests an RSV vaccine in adults aged 18-59 who have health conditions like chronic lung, heart, or kidney disease that put them at higher risk for severe RSV. The goal is to see if the vaccine triggers a strong immune response and is safe. Participants receive one shot …

This study tests a single dose of an experimental RSV vaccine in Chinese adults aged 18 to 59 who have health conditions that raise their risk for severe RSV disease. Researchers will compare their immune response to that of older adults (60+) from a previous study. The trial als…

This study tests a new vaccine against respiratory syncytial virus (RSV) in adults. Phase I includes adults 18 and older to check safety of different doses. Phase II focuses on adults 60 and older to see how well the vaccine triggers an immune response and how safe it is. The vac…

This large study tests an RSV vaccine given to pregnant women to see if it safely protects their babies from severe RSV infection in the first months of life. About 13,000 pregnant women in Africa will receive either the vaccine or a placebo. The study also closely monitors wheth…

This study is testing how well a 20-valent pneumococcal vaccine works against pneumonia in adults aged 65 and older. Researchers will compare vaccinated and unvaccinated hospitalized patients with pneumonia to see if the vaccine reduces infections from seven specific bacterial st…

This early-stage trial is testing several new vaccine formulas against RSV and H5N1 bird flu in 570 healthy adults aged 18 to 49. The main goals are to check safety and see how well the vaccines trigger an immune response. Participants will receive one or two shots and be followe…

This study tests a new seasonal flu vaccine that includes an adjuvant (ZFA02) to potentially boost the immune response. The trial involves 620 adults aged 18 and older, split into low-dose and high-dose groups, with some receiving a placebo. Researchers will monitor side effects …

This Pfizer study tests several experimental mRNA-based flu vaccines in 770 healthy adults aged 18 and older. Participants receive one dose and are monitored for about 6 months for safety and immune response. The goal is to see if these new vaccines are safe and trigger a strong …

This study compares a high-dose flu vaccine to the standard dose in 312 children aged 3-17 who have received a kidney, heart, or liver transplant within the past two years. The goal is to see if the high-dose vaccine triggers a stronger immune response and is just as safe. Partic…

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 tests a new program to help more children get their flu shot while in the hospital. The program brings together doctors, nurses, and families to make vaccination simple and routine. Researchers will track how many eligible kids receive the vaccine across 22,000 partici…

This study tests two doses of an experimental H5N8 avian flu vaccine in 700 healthy adults and older adults. The vaccine is inactivated and contains an adjuvant to boost immunity. Researchers will monitor side effects and measure antibody levels to see if the vaccine triggers a p…

This large phase 3 trial is testing an experimental mRNA vaccine (mRNA-1018-H5) designed to protect against H5N1 pandemic influenza. Around 4,000 healthy adults aged 18 and older will receive two doses of the vaccine or a placebo. Researchers will measure immune responses and mon…

This study compares three different flu vaccines in 60 adults with blood cancers like leukemia or lymphoma. The goal is to see which vaccine triggers the strongest immune response in people with weakened immune systems. Participants will receive one of the vaccines and have their…

This study tests a new seasonal flu vaccine made from plants, called TVLP, in 728 adults aged 18 and older. The vaccine is compared to a standard flu shot to see if it is safe and triggers a strong immune response. The goal is to find the best dose for future development.

This study looks at how well an RSV vaccine works and how safe it is in adults who have had a lung or kidney transplant. About 184 participants will receive the vaccine to see if their immune response lasts and if a booster dose is safe. The goal is to help protect transplant rec…

This study compares an adjuvanted (boosted) flu vaccine to a standard flu vaccine in 200 adults aged 65 and older who have chronic medical conditions like diabetes or heart disease. Researchers will measure immune response and safety over one year. The goal is to see if the adjuv…

This early-stage trial tests an experimental flu vaccine called FluMos-v2, with or without an adjuvant (ALFQ), in 45 healthy adults aged 18-50. Participants receive two shots four months apart and are followed for 15 months. The goal is to check safety and how well the vaccine tr…

This study tests a new flu vaccine in 150 healthy pregnant women aged 18-39, between 20 and 32 weeks of pregnancy. Participants receive either the new vaccine or an existing one, and researchers check immune response and safety for both mother and baby. The goal is to see if the …

This early-stage trial tests a new influenza vaccine in 120 adults aged 60 and older. Participants receive either a high-dose vaccine, a standard-dose vaccine, or a placebo. The study focuses on safety and how well the vaccine triggers an immune response, with the goal of develop…

This study tests a two-dose pandemic H5N1 (bird flu) vaccine in 120 organ transplant recipients to see if it is safe and produces a strong immune response. Transplant patients are especially vulnerable to severe flu, and there is no data yet on how well this vaccine works in them…

This study looks at how well the RSV vaccine Arexvy works in 170 adults with weakened immune systems. Participants will receive up to 3 vaccine doses over a year and be monitored for side effects and immune response. The goal is to find the best dosing schedule to protect this hi…

This Phase 3 trial is testing a new RSV vaccine in 25,000 adults aged 60 and older. The goal is to see if a single shot can prevent lower respiratory tract disease caused by RSV. Participants are randomly assigned to receive either the vaccine or a placebo, and researchers will m…

This study looks at how well the approved RSV vaccine Arexvy works in people aged 80 and older compared to those aged 60-65. Researchers will measure immune responses and side effects. The goal is to see if the vaccine protects the oldest and frailest adults as effectively as you…

This early-stage trial is testing whether a COVID-19 vaccine and a flu vaccine can be given together as a liquid under the tongue instead of a shot. About 100 adults will receive both vaccines over four months. The goal is to see if this approach is safe and triggers a strong imm…

This Phase 2 trial tests an experimental inhaled medication called LTI-03 in about 120 people with idiopathic pulmonary fibrosis (IPF), a progressive lung disease that causes scarring and breathing difficulty. Participants will inhale LTI-03 or a placebo twice daily for 24 weeks.…

This study compares two common antibiotics, azithromycin and doxycycline, in adults hospitalized with community-acquired pneumonia who are also receiving a beta-lactam antibiotic. The goal is to see which combination helps patients leave the hospital sooner and reduces the need f…

This study looks at the long-term safety of an inhaled drug (AP01) for people with progressive lung scarring (pulmonary fibrosis). It is for those who already completed an earlier Avalyn Pharma study. About 340 participants will receive the drug and be monitored for side effects …

This phase 3 trial tests a new antiviral pill, ibuzatrelvir, alone or with an IV drug (remdesivir) in 300 adults with weak immune systems who have mild-to-moderate COVID-19. The goal is to see if the combination prevents hospitalizations or worsening symptoms better than remdesiv…

This phase 3 trial tests whether an inhaled solution of human interferon α1b can safely help children under 2 years old recover from respiratory syncytial virus (RSV) lower respiratory tract infections. The study compares the interferon treatment to a placebo, measuring improveme…

This study tests whether giving a second dose of an RSV vaccine to pregnant women who already received it in a prior pregnancy is safe and boosts immunity. About 550 women aged 18-49, between 24-36 weeks pregnant, will receive either the vaccine or a placebo. Researchers will tra…

This phase 2 trial tests an oral drug called PIPE-791 in 324 adults with idiopathic pulmonary fibrosis (IPF), a disease that scars the lungs and makes breathing hard. Participants take either a low or high dose of PIPE-791 or a placebo daily for several months. The main goal is t…

This study tests a drug called H01 (hymecromone) in adults with interstitial lung disease, a condition that causes lung scarring and makes breathing hard. The goal is to see if H01 can lower a marker of lung damage and improve lung function. Participants take the drug as a tablet…

This study tests an oral medication called ibuzatrelvir in adults and teens with COVID-19 who are not hospitalized but have a high risk of becoming severely ill. Participants will receive either the drug or a placebo for 5 days, and researchers will track whether it reduces emerg…

This study tests whether a single dose of an experimental immune cell therapy called agenT-797, given alongside standard care, can lower the risk of death in adults with severe pneumonia and breathing failure. About 90 people in intensive care will receive either agenT-797 or a p…

This study tests the long-term safety of the drug nerandomilast in people with idiopathic pulmonary fibrosis (IPF) or progressive pulmonary fibrosis (PPF). All 1,700 participants have already taken the drug in a previous study. They will take nerandomilast tablets for up to 1 yea…

This phase IIb study tests three doses of AZD8965 against a placebo in 359 adults with idiopathic pulmonary fibrosis (IPF), a lung-scarring disease. The main goal is to see if AZD8965 can slow the decline in lung function over 24 weeks. Participants may also be taking standard IP…

This study tests a new medicine called BI 765423 in 71 adults with idiopathic pulmonary fibrosis (IPF), a lung disease that causes scarring and breathing problems. Participants receive either the drug or a placebo by infusion every four weeks for about 3 months. The main goal is …

This study tests an experimental antiviral drug called S-337395 in adults with RSV who are at high risk for severe illness. Participants must have symptoms for less than 72 hours and a confirmed RSV infection. The goal is to see if the drug can lower the amount of virus in the bo…

This Phase 2 trial tests whether a new drug called EL219 (Turletricin) is safe and effective for early treatment of invasive mould infections in people with weakened immune systems, such as those who have had a bone marrow transplant. About 60 participants will receive either EL2…

This study tests an oral antiviral called ziresovir (AK0529) in adults at high risk for severe RSV infection, such as those with chronic lung or heart disease, weakened immune systems, or age 65 and older. Participants receive either the drug or a placebo, and researchers measure…

This study compares two treatments after surgery for stage III-IVA head and neck cancer: radiation alone versus radiation plus the chemotherapy drug cisplatin. The goal is to see which approach better prevents the cancer from returning, especially in patients with certain TP53 ge…

This study tests a new medicine called fosmanogepix for adults with serious mold infections that are hard to treat. About 234 people will join, receiving either the new drug or standard care. The main goal is to see if fewer people die by day 42. The study is currently recruiting…

This study looks at whether placing a small tube through the chest wall to drain pus from a lung abscess, along with standard antibiotics, helps people recover faster and leave the hospital earlier. About 84 adults with large abscesses will be randomly assigned to get either the …

This phase 2 trial tests whether MTX-463, an antibody that blocks a protein linked to scarring, can slow lung function decline in people with idiopathic pulmonary fibrosis (IPF). About 164 adults with IPF will receive either the drug or a placebo for 24 weeks. The main goal is to…

This study tests whether a daily pill called AP1189 can help hospitalized patients with breathing failure due to viruses like flu, RSV, or COVID-19. About 96 adults will receive either AP1189 or a placebo for 14 days, on top of usual care. The main goal is to see if the drug redu…

This study tests whether the antibiotic rifabutin can improve treatment for people with a stubborn lung infection caused by Mycobacterium abscessus that has become resistant to the common antibiotic clarithromycin. Researchers will enroll 60 adults with active lung disease and me…

This early-stage trial tests a new drug called PRS CK STORM, made from a mix of immune and fat cells, to see if it can safely calm the 'cytokine storm'—a dangerous overreaction of the immune system—in people with severe lung infections from COVID-19, flu, or RSV. The study will e…

This study tests whether the antiviral drug remdesivir can help treat RSV (a common respiratory virus) in people whose immune systems are weakened by certain cancer treatments or autoimmune therapies. About 60 adults with confirmed RSV will receive remdesivir intravenously. The m…

This study tests whether a 2-month combination of four drugs can cure drug-susceptible tuberculosis in children under 10 as safely and effectively as the standard 4- to 6-month regimen. Researchers will enroll 860 children, including those with HIV, to compare the shorter treatme…

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 is testing whether the BCG vaccine, originally developed for tuberculosis, can safely treat Mycobacterium avium complex (MAC) lung disease. Researchers will give 48 adults either a single BCG injection or a placebo and monitor them for side effects, immune responses, a…

This early-stage trial tests whether high doses of inhaled nitric oxide gas are safe and potentially helpful for critically ill pneumonia patients on breathing machines. About 34 adults will receive either the gas or a sham treatment for 5 days. Researchers will monitor blood oxy…

This study tests whether adding the antibiotic azithromycin to standard treatment helps people with idiopathic pulmonary fibrosis (IPF) recover faster from sudden, severe flare-ups. Researchers will compare hospital stay length and other outcomes between those who get azithromyci…

This Phase II study tests a drug called BC006 in 96 adults with idiopathic pulmonary fibrosis (IPF), a disease that causes lung scarring and breathing difficulty. The trial first checks safety in a small group, then randomly assigns patients to receive BC006 or a placebo every tw…

This early-stage study tests whether a new oral drug called VNT-101 is safe for people. About 78 healthy adults aged 18-59 will receive either the drug or a placebo. The goal is to check for side effects and how the body processes the drug, not yet to treat the flu.

This clinical trial is testing different combinations of antibiotics to find the best way to treat a lung infection caused by Mycobacterium abscessus, a bacteria that is hard to kill. About 300 adults and children with this infection will receive various drug regimens, including …

This study tests whether a drug called icosapent ethyl (Vascepa) can reduce inflammation in the arteries of people hospitalized with pneumonia. Pneumonia can trigger body-wide inflammation that may harm blood vessels. Researchers will give 168 adults either Vascepa or a placebo t…

This study tests whether the drug senicapoc can prevent lung scarring from getting worse in people with progressive fibrotic interstitial lung disease (ILD) or idiopathic pulmonary fibrosis (IPF). About 140 adults will take either senicapoc or a placebo daily for 26 weeks, and do…

This study tests whether awake patients with acute breathing failure who lie face down (prone positioning) for at least 10 hours a day for 3 days are less likely to need a breathing tube or die within 28 days, compared to standard care. The trial will include 342 intensive care u…

This study tests a drug called epetraborole for people with a chronic lung infection caused by Mycobacterium abscessus. About 84 adults will take either a low or high dose of the drug or a placebo for 84 days. Researchers will check if symptoms improve and if the infection clears…

This early-stage trial is testing an inhaled form of nintedanib (called MNKD-201) in 24 people with idiopathic pulmonary fibrosis (IPF), a disease that scars the lungs. The study aims to see if the drug is safe and tolerable when breathed in, and how the body processes it. Partic…

This study looks at how well the flu drug baloxavir marboxil works in children under 12 and whether it stops the flu from spreading to family members. About 1,100 kids with flu symptoms will take the drug, and researchers will check for drug resistance and track infections in hou…

This study looks at whether a new approach can safely reduce antibiotic use in children aged 6 months to 18 years who have mild pneumonia and are sent home from the emergency room. About 700 children will take part. The goal is to give antibiotics only when truly needed, while st…

This study tests whether adding low-intensity laser therapy and breathing exercises to standard medical care can improve immune function in 40 children with Down syndrome who have pneumonia. One group gets laser therapy plus breathing training, while the other gets only breathing…

This Phase 3 trial tests a new drug called HEC585, taken once daily, to see if it can slow lung function decline in people with idiopathic pulmonary fibrosis (IPF), a serious lung-scarring disease. About 472 adults aged 40 to 80 will be randomly assigned to receive HEC585, a plac…

This large Phase 3 trial is testing many different treatments, including antiviral drugs and steroids, in 70,000 hospitalized patients with pneumonia (including COVID-19). The goal is to see which treatments reduce deaths and speed up recovery. Researchers compare each treatment …

This study tests whether a blood thinner (heparin) can help hospitalized adults with pneumonia avoid serious complications like needing a breathing machine or intensive care. About 4000 participants will receive either heparin or standard care. The goal is to see if heparin reduc…

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 a daily probiotic supplement (Antrrix) can reduce the frequency and severity of respiratory infections in children under 6 who get sick often. Over 8 weeks, 120 kids will receive either the probiotic or a placebo. Researchers will track symptoms and quali…

This study compares different antiviral drugs to see which one clears the flu virus fastest. It involves 3,000 adults aged 18-60 with early flu symptoms. Participants are randomly assigned to receive a drug or no treatment, and their viral levels are tracked daily for a week.

This phase 3 trial compares amoxicillin alone to amoxicillin/clavulanate for treating community-acquired pneumonia in adults aged 65 and older who are hospitalized but not in intensive care. The goal is to see if the narrower antibiotic works just as well, which could reduce side…

This study tests an experimental drug called ABBV-142 in people with idiopathic pulmonary fibrosis (IPF), a rare lung disease that causes scarring and breathing problems. About 165 adults will receive either ABBV-142 or a placebo for 52 weeks to see if the drug is safe and can he…

This study tests an inhaled version of the drug nintedanib (called AP02) in people with idiopathic pulmonary fibrosis (IPF), a disease that scars the lungs and makes breathing hard. About 160 adults aged 40 and older who are not currently on IPF treatment will take either a low o…

This study tests whether getting a flu vaccine soon after a heart attack can reduce inflammation in the heart's arteries. Researchers will compare the vaccine to a placebo in 90 adults who recently had a heart attack and a stent procedure. They will use special CT scans and blood…

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 tests a special stem cell transplant for children and adults with blood cancers like leukemia. The transplant uses stem cells that have had certain immune cells removed to lower the risk of graft-versus-host disease, a serious complication. About 70 participants will r…

This study looks at people with a mix of two lung conditions caused by the fungus Aspergillus: chronic pulmonary aspergillosis and allergic bronchopulmonary aspergillosis. Researchers want to see if adding steroid pills to the standard antifungal drug itraconazole works better th…

This phase 3 trial tests whether adding trimodulin (a protein mixture from donated blood) to standard care can lower death rates in adults with severe community-acquired pneumonia who need a breathing machine. About 590 hospitalized patients will receive either trimodulin or a pl…

This study tests whether using inhaled budesonide (a steroid commonly used for asthma) for one year can stop lung inflammation from coming back in cancer patients who had a serious immune reaction to immunotherapy. About 94 adults with solid tumors who recently had lung inflammat…

This study compares two common steroids, hydrocortisone and prednisolone, in 1,600 adults hospitalized with severe community-acquired pneumonia. The goal is to see which one reduces deaths within 30 days. Participants are randomly assigned to one of the two treatments.

This study tests whether adding intravenous immunoglobulin (IVIG) to standard care helps people hospitalized with a sudden, severe worsening of idiopathic pulmonary fibrosis (IPF). About 196 adults with IPF who are having an acute exacerbation will receive either usual treatment …

This study is testing whether a dietary supplement called IDP (Immune Defense Protein) can reduce the length and severity of cold and flu symptoms in people aged 60 and older. About 300 participants will take either a low or high dose of IDP or a placebo daily during cold and flu…

This study tests whether quercetin, a natural compound found in many fruits and vegetables, can slow lung scarring and improve breathing in people with pulmonary fibrosis. Half of the 100 participants will take quercetin pills daily for 24 weeks, while the other half receive stan…

This study tests a new drug called TDI01 for people with idiopathic pulmonary fibrosis (IPF), a disease that scars the lungs and makes breathing hard. About 508 adults in China will receive either TDI01 or a placebo to see if the drug helps slow lung function decline over 24 to 5…

This early-phase study tests a new drug called SV001 in 53 healthy Chinese adults to see if it is safe and how the body processes it. Participants receive a single dose of SV001 or a placebo. The goal is to check for side effects and measure drug levels in the blood. This is a fi…

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 Phase 2 trial tests whether an oral drug called ifetroban can slow the decline in lung function for people with idiopathic pulmonary fibrosis (IPF), a progressive lung-scarring disease. About 128 adults aged 40 and older with IPF will receive either ifetroban or a placebo da…

This Phase 3 trial tests whether high-dose steroids (methylprednisolone and prednisone) can reduce deaths within 30 days for people hospitalized with a sudden worsening of idiopathic pulmonary fibrosis (IPF). About 110 adults with IPF and an acute exacerbation will receive either…

This study tests a new drug called AV-001 in 120 hospitalized adults with pneumonia who need extra oxygen. The drug is given daily for up to 28 days alongside standard care. The goal is to see if it is safe and helps patients recover faster from pneumonia caused by COVID-19 or ot…

This trial is testing a new ventilator called INBENTUS VERSATILE in 81 adults who need help breathing. The study checks if the device is safe and works well for conditions like ARDS, pneumonia, and COPD. Participants will use the ventilator for 3 to 48 hours and be monitored unti…

This study is for people with a weakened immune system who have a serious lung infection called PCP. The standard treatment often causes bad side effects. Researchers want to see if a lower dose of the antibiotic TMP-SMX works just as well but with fewer side effects. About 416 a…

This study looks at whether giving vitamin C alongside standard hospital care can help children under five with severe pneumonia recover faster. Ninety children will be split into two groups: one gets standard treatment alone, the other gets standard treatment plus a daily dose o…

This phase 2 trial tests whether combining two antiviral drugs, baloxavir and oseltamivir, works better than oseltamivir alone for severe flu in people with weakened immune systems (such as blood cancer patients or stem cell transplant recipients). The study will measure how quic…

This study tests a new drug, SV001, in 48 adults with idiopathic pulmonary fibrosis (IPF), a disease that causes lung scarring and makes breathing hard. The main goal is to check if SV001 is safe and how the body processes it. Participants will receive either SV001 or a placebo, …

This study tests whether the antibiotic azithromycin can help children with severe RSV infection who need breathing support in the ICU. About 370 children will receive either azithromycin or a placebo for three days. The main goal is to see if the drug shortens the time they need…

This early-stage trial tests a single dose of an inhaled drug called RJ026 in 42 healthy volunteers and 42 people with interstitial lung disease (ILD). The goal is to see how much drug reaches the lungs and blood, and whether it is safe. Researchers hope that inhaling the drug wi…

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 compares two ways of giving antibiotics to children with mild pneumonia: giving them right away versus waiting 72 hours to see if symptoms improve. The goal is to see if the 'watch and wait' approach can safely reduce unnecessary antibiotic use. About 2,000 children wi…

This study tests whether washing the chest cavity with the antifungal drug voriconazole can help treat a rare but serious fungal infection of the lung lining. It includes 50 patients who either get the wash before surgery or as a standalone treatment if they are too sick for surg…

This study is testing a new approach for people with severe lung disease (like pulmonary fibrosis or COPD) who also have bone marrow failure. First, participants receive a lung transplant to restore breathing. Then, about 8 weeks later, they get a bone marrow transplant using the…

This early-stage trial tests whether artesunate, a drug used for malaria, is safe for people with idiopathic pulmonary fibrosis (IPF), a disease that scars the lungs and makes breathing hard. Fifteen adults with IPF will receive either artesunate capsules or a placebo for 12 week…

This study looks at whether using higher pressure during noninvasive breathing support (a mask that helps you breathe) can help people with pneumonia or ARDS avoid needing a breathing tube. About 700 adults will be randomly assigned to receive either high or low pressure. The mai…

This study tests an inhaled medicine called SNG001 in patients with severe viral pneumonia who need a breathing machine. The goal is to see if it safely helps clear the virus faster and lowers the risk of death. About 550 adults, mostly over 50 or with weakened immune systems, wi…

This study tests a new drug called HRS-9813 in 270 adults with pulmonary fibrosis (IPF or PPF), a condition where lung tissue becomes scarred and breathing gets harder. The trial compares the drug to a placebo to see if it improves lung function and is safe. Participants take the…

This study tests whether lansoprazole, a medicine that reduces stomach acid, can slow the progression of idiopathic pulmonary fibrosis (IPF), a lung disease that causes scarring and breathing problems. About 298 adults with IPF will take either lansoprazole or a placebo twice dai…

This study tests whether adding Chinese herbs to standard treatment can help people with a hard-to-treat lung infection called Mycobacterium abscessus. The herbs aim to clear the bacteria from sputum and prevent the infection from coming back. About 352 adults who have finished t…

This study looks at how long kidney transplant patients should take a common antibiotic (TMP-SMX) to prevent a serious lung infection called PJP. About 450 participants will be randomly assigned to different treatment durations. The goal is to find the safest and most effective l…

This study tests whether giving the antibiotic clarithromycin early, guided by a blood test (suPAR), can prevent pneumonia from worsening into sepsis. About 330 adults with community-acquired pneumonia will receive either clarithromycin or a placebo. The goal is to see if this ap…

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 compares a high-dose flu vaccine to the standard dose in 270 lung transplant recipients who are 1 to 35 months post-transplant. The goal is to see if the high-dose vaccine triggers a stronger immune response and provides better protection against influenza. Participant…

This program provides Lamprene (clofazimine), a drug normally used for leprosy, to adults with NTM infections that haven't responded to other treatments or caused intolerable side effects. Patients take 100 mg of clofazimine daily as part of a multi-drug regimen. The goal is to o…

This study tests whether the steroid hydrocortisone, added to usual care, can help ICU patients with severe hospital-acquired pneumonia. Researchers will compare hydrocortisone against a placebo in 180 adults. The goal is to see if the drug reduces early death or worsening of bre…

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 large Phase 3 trial is testing an experimental drug called tozorakimab in about 2,870 adults hospitalized with a viral lung infection who need extra oxygen. Participants receive either a single dose of tozorakimab or a placebo, added to standard care. The main goal is to see…

This study compares two antibiotics, clarithromycin and azithromycin, for treating MAC lung infections, a serious bacterial lung disease. About 424 adults with MAC infection will receive one of the two drugs alongside standard treatments. The goal is to see if azithromycin works …

This study tests an experimental drug called SB17170 in 30 adults with moderate to severe idiopathic pulmonary fibrosis (IPF), a disease that scars the lungs and makes breathing hard. Participants take either the drug or a placebo daily for 12 weeks. The main goal is to see if th…

This study tests an experimental oral drug called INS018_055 in 40 adults with idiopathic pulmonary fibrosis (IPF), a disease that causes lung scarring and breathing difficulty. The main goal is to check the drug's safety over 12 weeks. Participants will be randomly assigned to r…

This study looks at whether children with medical complexity who have pneumonia can safely stop antibiotics sooner if they are clinically stable. Researchers will track how many families agree to the approach and monitor for worsening symptoms or return to the hospital. The goal …

This study tests whether adding the antibiotic contezolid to standard drugs can shorten treatment for Mycobacterium Avium Complex (MAC) lung disease. About 188 adults with the nodular bronchiectatic form of the disease will either receive contezolid plus standard therapy for 6 mo…

This study looks at whether giving lung transplant recipients a high-dose flu vaccine for two years in a row provides better protection against the flu than the standard-dose vaccine. About 60 people who already took part in a previous flu vaccine study will be randomly assigned …

This early-phase trial tests the safety and tolerability of a new antibiotic called JKN2501 in 66 healthy adults in China. Participants receive either the drug or a placebo by IV infusion, and researchers monitor for side effects and how the drug moves through the body. The goal …

This study looks at whether adding a non-invasive brain stimulation technique (rTMS) to standard swallowing therapy can reduce pneumonia in stroke patients who have trouble swallowing. About 70 adults aged 49-65 with moderate to severe swallowing problems after a stroke will be e…

This study is testing the safety of a drug called gallium nitrate in 40 adults with cystic fibrosis who have a difficult-to-treat lung infection called NTM. Participants will receive two 5-day cycles of the drug through an IV. The main goal is to see if the treatment is safe and …

This study tests whether a special filter (oXiris) is better than a standard filter (M100) for cleaning the blood in pneumonia patients whose kidneys have suddenly failed. About 60 adults will be enrolled to measure changes in inflammation levels, kidney function, and survival at…

This study tests whether adding the antibiotic contezolid to the usual three-drug regimen can better reduce bacteria in the sputum of adults with Mycobacterium avium complex (MAC) lung disease. About 188 participants will receive either the standard treatment alone or with contez…

This study aims to create and test a clinical prediction score called FUNGAL-P to help doctors identify fungal pneumonia early in adults who come to the hospital with pneumonia. Researchers will analyze medical records from past patients and then test the score on new patients to…

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 study tests whether an AI-powered digital stethoscope can help doctors in rural Bangladesh safely reduce antibiotic use in children with respiratory infections. About 2,500 children will be randomly assigned to standard care or care guided by the AI stethoscope. The goal is …

This study is testing whether measuring a natural immune marker called IFN-I in nasal swabs can help detect respiratory viral infections in older adults. Current PCR tests only look for a few viruses and can miss others or show old infections. The goal is to improve diagnosis, es…

This study is testing a device called Inflammacheck that measures chemicals in a person's breath to see if it can help tell the difference between lung cancer, other lung diseases, and healthy lungs. Researchers will collect breath samples from 140 adults and use AI to build a di…

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-phase study tests a radioactive tracer called Cu-DOTA-ECL1i that binds to certain inflammatory cells in the lungs. Researchers will use PET scans to see how the tracer spreads in people with fibrotic lung disease, comparing it to CT scans and clinical status. The goal …

This study is testing a new ultrasound measurement called the Lung Sliding Index (LSI) to see if it can help doctors tell apart different lung diseases, such as COPD, pneumonia, and pulmonary edema. Researchers will measure LSI in 700 adults with various lung conditions and healt…

This study is testing whether a mouthwash or a nasal swab can accurately detect pneumocystis pneumonia (PcP) in immunocompromised patients. Currently, diagnosis often requires a bronchoscopy, which is invasive and uncomfortable. Researchers will compare the new non-invasive metho…

This study tests a wearable device called the C-mo System that automatically detects and describes coughs. Researchers want to see if it can accurately count coughs, measure their intensity, and identify wheezing. 300 people aged 2 and older with cough-related conditions will wea…

This study is testing a new laboratory method that looks for DNA fragments from tuberculosis bacteria in fluid around the lungs (pleural effusion). The goal is to see if this test can diagnose tuberculous pleurisy more accurately than current tests. Researchers will study 400 adu…

This study tests a new device that uses artificial intelligence to help diagnose ear infections, strep throat, and asthma flare-ups in children. About 84 kids aged 3 to 17 will either use the device at home with a doctor's video visit or receive standard in-person care. The goal …

This study tests whether a special PET scan (FAPI PET) can better detect active scarring in the lungs of people with fibrotic lung disease. About 50 adults with idiopathic pulmonary fibrosis or fibrotic hypersensitivity pneumonitis will get up to 4 PET/MRI scans. The goal is to i…

This early-phase study is testing a new imaging agent called [68Ga]CBP8 to see if it can safely and accurately detect collagen buildup (scarring) in the lungs. Researchers will compare scans from healthy volunteers, lung cancer patients, and people with pulmonary fibrosis. The go…

This study tests a special PET/CT scan that uses a tracer called FAPI-74 to find fibrosis (scar-like tissue) in the body. It includes 45 adults with conditions like head and neck cancer or tuberculosis that can cause fibrosis. The goal is to see how well the scan shows fibrosis, …

This study aims to create a better way to diagnose pneumonia in older adults (65+) who come to the emergency department with suspected pneumonia. Researchers will observe 250 participants and test whether new biomarkers can improve diagnostic accuracy. The goal is to help doctors…

This study tests a non-invasive imaging method called electrical impedance tomography (EIT) to monitor lung function in 400 adults with lung diseases like COPD, asthma, or pneumonia. Unlike standard spirometry, which requires active blowing, EIT works even in patients who cannot …

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 tests whether an AI-powered app can help doctors more accurately diagnose ear infections in young children (6-24 months) with cold symptoms. Researchers will compare standard ear exams with the AI app's analysis of eardrum photos. The goal is to see if the AI reduces u…

This study looks at whether automated software can consistently measure the amount of lung scarring (interstitial lung disease) on chest CT scans. Researchers will scan 150 adults with known lung scarring twice in a row to see if the measurements match. The goal is to improve the…

This study aims to see if a new PCR-based test can diagnose malaria, leishmania, and pneumocystis infections faster and more accurately than current methods. Researchers will analyze about 200 stored samples from patients. The goal is to improve diagnosis and species identificati…

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 new portable X-ray machine called Dynamic Digital Radiography (DDR) that takes 15 images per second to show how the lungs move and blood flows. Researchers at Brigham and Women's Hospital will use it on 230 ICU patients with various lung conditions to see …

This study is testing a new diagnostic panel called the BioFire ECoV Panel, designed to detect coronaviruses from leftover nose swab samples. Researchers will enroll 1,500 people and compare the panel's results to standard tests to see how accurate it is. The test is not being us…

This study checks how well standard devices measure blood flow in patients on ECMO, a machine that adds oxygen to blood outside the body. About 30 adults on ECMO will have their blood flow measured using different methods, including ultrasound and a leg-raising test. The goal is …

This study checks how well standard devices measure blood flow in 30 adults on ECMO, a machine that pumps and oxygenates blood outside the body. The goal is to see if these monitors give accurate readings during this special situation. Results could help doctors better manage flu…

This study tests a new type of PET scan that uses a radioactive fungal component to see if it can light up areas of Aspergillus infection in the body. Ten adults with suspected invasive fungal infections will receive the scan. The goal is to see if this method can accurately loca…

This study is looking at whether it's safe and effective to give the Tdap vaccine (for whooping cough) and the RSV vaccine at the same doctor's visit during pregnancy, or if they should be given separately. The researchers will recruit 60 healthy pregnant individuals and randomly…

This study tests whether giving the flu vaccine to heart patients just before they leave the hospital can lower their risk of infections, heart problems, and death in the next 6 months. About 400 adults hospitalized for serious heart conditions will be randomly assigned to get th…

This study tests whether giving both an RSV vaccine to pregnant women and an antibody shot to their babies prevents RSV infection better than giving only the baby shot. About 1000 pregnant women in France will be randomly assigned to one of two groups. The goal is to see if the c…

This study tests whether community health workers can help adults with chronic illnesses get up-to-date on COVID-19 and flu vaccines. Participants receive up to three counseling sessions in English or Spanish to address their vaccine concerns. The goal is to reduce health dispari…

This study tests whether the drug ORC-13661 can prevent hearing loss in people receiving intravenous amikacin for a lung infection called NTM. About 105 adults will take either a high dose, low dose, or placebo daily for up to 90 days. Researchers will compare hearing changes amo…

This study tests the safety of palivizumab, a drug given as monthly injections, in infants under 24 months who are at high risk for severe RSV disease. About 138 children born prematurely or with certain lung or heart conditions will receive up to 5 doses. Researchers will monito…

This study tests whether two antiviral drugs—suraxavir marboxil and oseltamivir (Tamiflu)—can prevent flu from spreading to uninfected roommates of flu patients in hospitals. About 384 people will take one of the drugs or a placebo for 5 days. Researchers will track how many get …

This study looks at whether giving infants an RSV preventive antibody at the same time as their regular vaccines is safe. About 524 babies aged 6 weeks to under 30 weeks will take part. Researchers will compare fever rates in babies who get the RSV shot together with vaccines ver…

This study tests an investigational nasal spray called INNA-051 to see if it can safely prevent or reduce the severity of viral respiratory infections like colds and flu. It involves 1100 healthy adults aged 18 to 45 who are at higher risk due to their living or work conditions. …

This study tests whether intensive oral hygiene combined with antibiotics can prevent pneumonia in people who have had a brain hemorrhage. About 440 adults with small to medium bleeds will be randomly assigned to receive either standard care or enhanced mouth care plus antibiotic…

This study aims to see if offering children a nasal influenza vaccine at their daycare increases how many get vaccinated, compared to only offering it at a healthcare facility. About 6,000 children in Turku daycare centers will take part. The main question is whether convenience …

This study tests whether Buccalin tablets can reduce the number of lower respiratory tract infections in adults who get them often. 240 participants will receive either Buccalin or a placebo for 12 months. The goal is to see if the treatment lowers infection episodes compared to …

This study tracks the safety of Beyfortus (Nirsevimab) in up to 3,000 Korean children under 24 months who receive the shot to prevent RSV. Researchers will monitor for side effects and serious events over 180 days. It is a real-world safety check, not a test of how well it works.

This early-stage trial is testing an experimental drug called SIBP-A16 in 140 healthy adults aged 18 to 45. The goal is to see if it is safe and how the body handles it. Participants receive a single injection of the drug, a placebo, or an existing RSV antibody. The study does no…

This study tests whether training NICU teams on a bundle of best practices (like mouth care and proper suctioning) can reduce ventilator-associated pneumonia in newborns. About 1500 babies on breathing machines will be tracked before and after the training. The goal is to standar…

This study is testing whether taking high-dose fish oil supplements during pregnancy can prevent asthma and persistent wheezing in early childhood. The trial will enroll 2000 pregnant Danish women with low blood levels of omega-3s. Participants take fish oil or placebo capsules d…

This study is testing whether taking a higher dose of vitamin D during pregnancy can prevent asthma and persistent wheezing in children up to age 3. Researchers will give 2000 pregnant women either vitamin D or a placebo daily from week 22-26 of pregnancy until one week after del…

This study tests whether community health worker counseling and text message reminders can increase RSV vaccination among Latino adults aged 50 and older in San Francisco and Daly City. Researchers will also see if younger adults can encourage their older friends and family to ge…

This study tests whether using a positive expiratory pressure (PEP) device before and after hip fracture surgery can prevent hospital-acquired pneumonia. About 566 patients will either receive the PEP therapy plus standard care or standard care alone. The goal is to see if this s…

This study tests whether a daily cordyceps sinensis capsule (Bailiing Capsule) can prevent the recurrence of Mycobacterium avium complex (MAC) lung disease in adults who have already been cured. 300 participants will take either the cordyceps capsule or a placebo for 12 months, w…

This study tests whether a daily probiotic supplement (Lacticaseibacillus rhamnosus CRL1505) can prevent upper respiratory infections like colds and flu in healthy children aged 3 to 12. Over 268 kids will take either the probiotic or a placebo for 12 weeks, then be followed for …

This study investigates whether drinking nitrate-rich beetroot juice twice a day for three days can improve exercise capacity in people with idiopathic pulmonary fibrosis (IPF), a lung scarring disease that limits activity. Researchers will compare the juice to a placebo in a sma…

This study tests an oral drug called vapendavir in 180 adults with COPD who catch a rhinovirus (common cold). The goal is to see if it can reduce the severity and length of breathing symptoms compared to a placebo. Participants are randomly assigned to one of two doses or a place…

This study tests a new pill containing three ingredients (dipyrone, caffeine, and chlorpheniramine) to see if it works as well as a standard cold medicine for relieving stuffy nose and other cold and flu symptoms. About 620 adults with early cold or flu symptoms will take either …

This study is testing four medical devices (PIR, NS, NHE, NHG) in 150 adults with acute viral rhinitis, rhinosinusitis, or rhinopharyngitis (common cold). The goal is to see if they are safe and help reduce symptoms like sneezing, runny nose, and sore throat. Participants use the…

This study tests whether inhaling a salty mist (3% hypertonic saline) can improve breathing symptoms in people with nontuberculous mycobacterial (NTM) lung disease who haven't yet started antibiotics. About 262 adults will either start the saltwater treatment right away for 6 mon…

This study tests whether using a portable oxygen concentrator (a lightweight, battery-powered device) during walking or exercise helps people with interstitial lung disease (ILD) or COPD feel less breathless and be more active in their daily lives. Twenty-four participants will t…

This study compares two sedation methods for elderly ICU patients (65+) who need a breathing tube. One group gets a mix of propofol and ketamine, the other gets propofol alone. The goal is to see which causes fewer dangerous drops in blood pressure. The trial involves 41 particip…

This study tests whether a single injection of RE104 can reduce symptoms of depression or mixed depression and anxiety in people with adjustment disorder caused by a serious medical illness like cancer, ALS, multiple sclerosis, Parkinson's disease, or idiopathic pulmonary fibrosi…

This study tests whether taking fish oil for 12 weeks can help the body adapt to cold by activating brown fat, which burns energy to produce heat. Thirty healthy adults aged 18-40 will take either fish oil or a placebo and then undergo a cold chamber challenge. Researchers will m…

This study tests whether adding a special breathing treatment called intrapulmonary percussive ventilation (IPV) to standard care helps patients with pneumonia who are on a breathing machine. About 96 adults will be randomly assigned to receive either standard therapy alone or st…

This study tests a new way to plan radiation therapy for people with stage 3 lung cancer. The method uses CT ventilation imaging to identify and avoid the healthiest parts of the lungs during treatment. Researchers want to see if this approach helps patients maintain a better qua…

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 looks at whether drinking beetroot juice, which is high in nitrate, can help people with fibrotic interstitial lung disease exercise longer. Participants will drink either nitrate-rich or nitrate-free beetroot juice and then do a cycling test. The goal is to see if the…

This study tests two simple breathing exercises—balloon blowing and bubble PEP—in 40 children aged 6 to 12 with pneumonia. The goal is to see which one improves oxygen levels and reduces shortness of breath better, and which kids enjoy more. Both are non-drug therapies done daily…

This study looks at whether children with pneumonia caused by Mycoplasma bacteria need antibiotics to get better. About 376 children aged 3-17 will receive either a placebo (inactive pill) or a common antibiotic. Researchers will track how long symptoms like fever and fast breath…

This study tests whether awake patients with severe pneumonia can avoid being put on a breathing machine by lying face down (prone position) for up to 16 hours a day. Researchers will track 1078 adults in intensive care to see if this simple position change reduces the need for i…

This study tests whether a single dose of baloxavir marboxil (Xofluza) can help adults hospitalized with severe flu recover faster. About 484 participants in Switzerland will receive either the drug or a placebo. Researchers will measure time to clinical improvement, hospital sta…

This study tests whether a newer breathing machine (HVNI) works better than standard noninvasive ventilation (NIV) for adults with pneumonia who are having trouble breathing. About 100 participants will be randomly assigned to one of the two machines. The main goal is to see whic…

This study tests two throat sprays (CDN and CW) for adults with a cough from a viral cold. About 58 people will use one of the sprays for 7 days and report how well it works and any side effects. The goal is to see if these sprays are safe and help ease cough symptoms.

This study compares two ways to help pneumonia patients who have trouble breathing: alternating between a mask that helps push air in (non-invasive ventilation) and high-flow oxygen through the nose, versus using high-flow oxygen alone. The goal is to see which approach improves …

This study tests whether using an incentive spirometer—a device that encourages deep breathing—can lower the risk of lung inflammation (pneumonitis) in people with advanced lung cancer receiving chemotherapy and radiation. About 100 participants will use the device 10 times every…

This early-stage study is testing an extended-release tablet called nalbuphine ER in 10 people with idiopathic pulmonary fibrosis (IPF). The main goal is to see if the drug is safe and whether it affects breathing function. Researchers will monitor oxygen levels, breathing rate, …

This study aims to see if bundling all routine tests and doctor visits into one coordinated hospital trip can save time for people with interstitial lung disease. About 152 adults with the condition will either receive standard care or the new streamlined approach. The goal is to…

This phase 3 trial tests an oral medicine called deurremidevir in infants and young children (1 month to 3 years old) with RSV infection. The goal is to see if it can shorten the time until symptoms like wheezing and rapid breathing go away. About 498 children will receive either…

This study tests whether a 6-week exercise program can improve fitness and quality of life in people with nontuberculous mycobacterial pulmonary disease (NTM-PD), a chronic lung infection. Researchers will enroll 50 adults aged 40-80 and randomly assign them to start exercise rig…

This phase 3 trial tests whether Raphamin tablets can reduce cold symptoms in 374 children aged 3 to 12. Children with fever and other cold signs will receive either Raphamin or a placebo. The main goal is to see how quickly symptoms like fever and congestion go away.

This study compares a 5-day antibiotic course to the usual 7-14 day course for hospitalized children aged 3 months to 18 years with uncomplicated pneumonia. The goal is to see if the shorter treatment is just as effective and causes fewer side effects. Participants are randomly a…

This study tests whether adding remimazolam to standard sedation (propofol and alfentanil) can lower the risk of low oxygen levels in high-risk patients during painless tracheoscopy. About 360 participants with serious health conditions (ASA class 3-4) will be randomly assigned t…

This study tests whether a higher-dose version of the drug Ingavirin can help adults with the flu or other viral infections feel better faster. About 300 people will receive either the study drug or a placebo. The main goal is to see how quickly symptoms like fever, cough, and so…

This study tests whether exposure to bright blue light can reduce inflammation and organ damage in people hospitalized with serious infections like pneumonia, infected joints, or abdominal infections. Participants will be randomly assigned to receive either blue-enriched light or…

This study tests whether a liquid medicine called Rengalin can safely reduce coughing in children aged 6 months to 3 years who have a viral cold or flu. About 264 children will take either Rengalin or a placebo three times a day for 7 days. The main goal is to see if more childre…

This study tests a new way to give oxygen during a sedated lung scope (bronchoscopy). Normally, patients can have dangerously low oxygen levels because the scope and sedation block the airway. The new method uses a thin, flexible tube placed through the nose to deliver oxygen dir…

This study tests a new medicine called JKN2301 for children aged 2 to 11 with the flu. It is a single-dose treatment compared to the standard 5-day oseltamivir (Tamiflu) course. The goal is to see if it safely reduces flu symptoms and fever faster. About 177 children will take pa…

This study tests a special vest that vibrates to help loosen mucus in the lungs for people who have trouble coughing it up. About 45 hospitalized adults will use the vest and report how their breathing, cough, and mucus symptoms change. The goal is to see if this device is safe a…

This study tests a proprietary amino acid drink given twice daily for up to 4 days to older adults (60+) hospitalized with infections who have delirium. 20 participants get the drink, 20 get standard care, and 20 non-delirious controls are observed. The goal is to see if the drin…

This study looks at how well seawater nasal sprays work in everyday life for people with nasal and sinus issues like colds, allergies, or after surgery. About 1065 people of all ages, including pregnant women, will use the sprays and report their symptoms. The goal is to see if t…

This study tests two types of home exercise programs for people with idiopathic pulmonary fibrosis (IPF), a lung disease that makes breathing hard. Participants will be split into two groups: one does live online exercise sessions, the other follows video workouts. The goal is to…

This study is testing a seawater spray mixed with essential oils to see how well it relieves nasal congestion from colds, sinus infections, or allergies. About 114 people aged 12 and older will use the spray for 7 days. The main goal is to see if nasal blockage improves after 3 d…

This study tests whether a nasal decongestant spray given before anesthesia can reduce breathing complications in children aged 1 to 8 who have a cold and need surgery. Two hundred children will receive either the active spray or a placebo, and doctors will monitor for issues lik…

This study tests whether a combination of zinc and nicotinamide riboside can help people with idiopathic pulmonary fibrosis (IPF) feel better and breathe easier. Sixty participants will take the supplements or a placebo twice a day for 24 weeks, all from home with remote check-in…

This study tests whether analyzing a patient's phlegm can help doctors choose better treatments for chronic cough in interstitial lung disease (ILD). About 120 adults with ILD and daily cough for at least 8 weeks will be randomly assigned to either phlegm-guided treatment or stan…

This study is testing a new seawater spray with essential oils to see if it safely relieves nasal congestion from colds, sinus infections, or allergies. About 101 people aged 12 and older will use the spray for 8 days. The main goal is to check if nasal stuffiness improves by at …

This study aims to learn more about Hyper IgE syndrome, a rare immune disorder that causes skin and lung infections. Researchers will follow 600 patients and their relatives over time, examining their health and genetics. The goal is to better understand the disease and improve c…

This study aims to collect samples and medical information from people of all ages who have or have been exposed to viral infections, including COVID-19 and herpes. Researchers want to understand how viruses affect healthy individuals versus those with weakened immune systems. Pa…

This study tests whether bundling key tests like scans and lung function tests into a single, fast-tracked appointment can help people with suspected interstitial lung disease get a diagnosis sooner. About 92 adults will be randomly assigned to either the usual step-by-step testi…

This study screens up to 5,000 healthy adults aged 18-65 to see if they can join future research on infectious diseases like flu and Zika. Volunteers undergo a 3-5 hour checkup including blood tests, heart exam, and chest X-ray. The goal is to build a pool of eligible participant…

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 learn more about non-tuberculous mycobacterial (NTM) infections, which cause repeated lung and other organ infections. Researchers will study up to 1,000 participants to understand the genetics, symptoms, and best treatments for these infections. The study also…

This study looks at proteins in lung fluid from 750 people with pneumonia to find biomarkers that could reveal what's causing the lung inflammation. Participants undergo a standard bronchoscopy with lung washings, plus a blood draw. The goal is to better understand different type…

This study enrolls healthy adults who are already part of a respiratory virus challenge study at the NIH. Participants wear a smartwatch and use a smartphone to track temperature, heart rate, coughs, and other health signals. The goal is to see if these devices can detect subtle …

This study follows 300 infants to understand how catching RSV very early (before 4 months old) versus later (after 6-9 months) affects their immune system and long-term health. Researchers will measure antibody responses and track asthma-like symptoms. The goal is to learn why ea…

This study aims to understand why some people get severe or unusual fungal infections due to immune system problems. Researchers will collect blood, tissue, and other samples from up to 1,200 participants over 25 years. No new treatments are being tested; the goal is to learn mor…

This study looks at whether an artificial intelligence (AI) tool can predict if lung scarring (pulmonary fibrosis) will get worse over time. Researchers will analyze CT scans from 200 people with either idiopathic pulmonary fibrosis (IPF) or other types of interstitial lung disea…

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 looks at 790 adults with S. maltophilia infections, a hard-to-treat bacteria. Researchers will compare patients who got one antibiotic versus those who got a combination, to see which group has fewer deaths within 30 days. The goal is to find the best treatment approac…

This study looks at whether a substance in the blood called soluble PD-1 can help predict if a certain type of lung disease caused by NTM bacteria will get worse. Researchers will follow 500 adults from different countries to see if higher levels of this marker are linked to more…

This study follows 650 adults who had pneumonia (including COVID-19) to see how the infection might lead to heart disease later. Researchers will collect blood samples, run heart and lung tests, and track heart attacks, strokes, and other events over three years. No new treatment…

This early-stage study tests a new combination capsule (Ingavirin Forte) that contains two active ingredients against the standard single-ingredient Ingavirin. The goal is to see how the body processes each version and whether the combination is safe. Thirty-six healthy adults wi…

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 aims to understand how well the seasonal flu vaccine works in children with blood cancers like leukemia. Researchers will measure the immune response in up to 150 children at St. Jude Children's Research Hospital. The goal is to see if the vaccine triggers enough prote…

This study looks at how different types of mycobacterial infections, including drug-resistant tuberculosis and nontuberculous mycobacteria, change the body's immune response. Researchers will collect blood and other samples from 120 participants, including healthy people and thos…

This study follows 4,000 people with interstitial lung disease (including conditions like pulmonary fibrosis and sarcoidosis) to understand how the disease naturally changes over time. Researchers will collect medical data and blood samples, and compare them to a healthy control …

This study tests whether two types of PET/CT scans can show inflammation and scarring in the lungs of people with idiopathic pulmonary fibrosis (IPF). Ten adults aged 40-85 with IPF will receive the scans. The goal is to help doctors better understand the disease and guide future…

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 looks at how your immune system reacts when you get the flu. Researchers want to see if your body mostly uses memories from past flu infections or builds a brand new defense. About 50 adults with a confirmed flu will provide blood and nasal samples to help answer this …

This study helps U.S. healthcare centers figure out if patients are getting NTM lung infections from the hospital environment. Researchers will compare germs from patients' lungs with germs from water and dust in the hospital and homes. The goal is to create a standard method to …

This study is observing 200 hospitalized adults with carbapenem-resistant Acinetobacter baumannii (CRAB) infections—a type of superbug—who are treated with the antibiotic sulbactam-durlobactam. Researchers will compare their outcomes to patients receiving other treatments to see …

This study looks at 60 adult male smokers under 65 who have both heart disease (acute coronary syndrome) and pneumonia along with COPD. Researchers want to see if certain blood markers (GDF-15, MR proADM, and Presepsin) change after getting a flu shot. The goal is to understand h…

This study will enroll 25 adults with interstitial lung disease or COPD to investigate the physical origins of ultrasound artifacts seen in lung scans. Researchers will compare ultrasound findings with CT scans and wearable sensor data to understand what these artifacts really me…

This study collects blood and nasal secretions from up to 2,000 people with COVID-19 to learn why some get very sick while others recover easily. Researchers will also track long-term symptoms like fatigue and brain fog. No treatments are tested—the goal is to gather data to guid…

This early-stage study tests how a new drug called ENV-101 (taladegib) interacts with two standard medicines for idiopathic pulmonary fibrosis (IPF): nintedanib and pirfenidone. About 57 healthy adults will take ENV-101 alone and with these drugs to measure how the body absorbs a…

This pilot study from Colorado State University will test 20 healthy adults (ages 18-40) to see if cold temperatures change how the body burns fat during exercise, and whether that change differs between females and males. Participants will exercise in both a normal room and a ve…

This study looks at 80 adults—40 with NTM lung disease (not on antibiotics) and 40 with bronchiectasis alone—to see if their health needs differ. Using questionnaires and simple physical tests, researchers will assess quality of life, nutrition, mood, and muscle strength. The goa…

This study looks at whether getting a flu shot in the morning or evening makes a difference for people with chronic kidney disease. Researchers will measure antibody levels four weeks after vaccination to see which time works better. The study involves 735 adults with advanced ki…

This study looks at why people with interstitial lung disease (ILD) often feel breathless and have trouble exercising. Researchers think leg muscle problems might be a cause. They will measure leg muscle strength and structure in 40 ILD patients and test how extra oxygen affects …

This study looks at whether having a respiratory infection in the past changes how your lungs react to ozone, a common air pollutant. One hundred healthy adults will breathe ozone while exercising and have their lung cells sampled. The goal is to understand why some people may be…

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 collect blood and saliva samples from 2000 adults who come to the emergency room with a suspected respiratory infection. Researchers will use these samples to better understand how the body responds to infections and to find new ways to diagnose and treat them.…

This observational study aims to find early biomarkers that can predict if a person's lung scarring (pulmonary fibrosis) will get worse quickly. Researchers will follow 450 adults with various types of interstitial lung disease, including IPF and other fibrotic conditions. Partic…

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 looks at how serious respiratory infections (like flu, COVID-19, and RSV) affect the ability of adults aged 60 and older to live independently. Researchers will follow 1,600 hospitalized seniors across multiple countries to track changes in daily activities such as bat…

This study is testing a new type of MRI that uses xenon gas to see how well the lungs are working in people who have had a bone marrow transplant. Researchers will scan 25 transplant patients with or without lung problems, plus 10 healthy volunteers. The goal is to see if this MR…

This study is collecting information from 20,000 adults with community-acquired pneumonia to understand how common it is, what puts people at risk, and how it interacts with other health conditions. Researchers will ask about symptoms, treatments, and hospital stays. No new treat…

This registry is following 3,000 adults with idiopathic pulmonary fibrosis (IPF) or other chronic fibrosing interstitial lung diseases (ILDs) to understand how these conditions progress over time. Researchers collect information on symptoms, treatments, quality of life, and store…

This study tests whether a web-based educational program can improve pregnant women's knowledge about influenza and Tdap vaccines and increase their intention to get vaccinated. Researchers will compare the program to standard antenatal care in 351 pregnant women in Malaysia. Par…

This study looks at 750 people with rheumatoid arthritis (RA) who are 45 or older to find early signs of interstitial lung disease (ILD), a serious lung complication. Researchers will use CT scans and track changes over 3-5 years to identify risk factors. The goal is to better un…

This study looks at how breathing in woodsmoke changes the way your nose's immune system responds to the flu virus. Healthy adults aged 18-49 will be exposed to woodsmoke and then given a live but weakened flu vaccine to mimic infection. Researchers will measure immune markers an…

This study looks at how pirfenidone changes the amount of a new medicine (BI 1015550) in the blood of adults with idiopathic pulmonary fibrosis (IPF). Twenty participants aged 40 and older will take both drugs over about a month. Researchers will measure blood levels to understan…

This study is creating a repository of blood samples from 635 people with interstitial lung diseases (ILD), pneumonia, and healthy volunteers. Researchers hope these samples will help identify biomarkers to improve diagnosis and treatment. No experimental treatments are given; pa…

This study looks at whether people with a narrow upper jaw have different muscle pressures in their tongue, lips, and cheeks compared to those with normal jaw width. Researchers will measure these pressures using a special device in 40 participants aged 12 to 25. The goal is to u…

This pilot study tests whether sodium bicarbonate (baking soda) can be used safely as a contrast agent to map lung blood flow using electrical impedance tomography (EIT) in adults on breathing machines. Researchers will compare it to standard hypertonic saline in 41 ICU patients.…

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 compare immune responses in 36 healthy adults aged 18-55 who either receive a nasal spray flu vaccine or are deliberately infected with a controlled dose of influenza A (H3N2) virus. Researchers will track symptoms and measure immune markers in the blood and respi…

This study looks at whether a new way of organizing hospital care, called an Acute Medical Unit, can help older adults with sudden illnesses like infections or COPD get better faster and spend fewer days in the hospital. Researchers will compare 220 patients who receive this new …

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 looks at whether drinking pasteurized milk containing harmless, inactive flu virus particles could lead to a positive flu test from a nose or throat swab. Researchers want to help the CDC improve how flu is tracked. About 30 healthy adults aged 18-64 will drink the mil…

This Phase 1 trial is testing the safety of a new drug called TRX-100 in 24 healthy adults aged 18 to 65. Participants will receive either TRX-100 or a placebo, and researchers will monitor side effects and how the drug moves through the body. This is an early-stage study with no…

This study follows 150 NIH staff members for about a year to see how their immune systems respond to flu and COVID-19 vaccines. Participants give monthly blood and nasal samples to measure antibodies in both the body and the nose. The goal is to understand how long immunity lasts…

This study aims to find the safest and most effective dose of a specific flu virus to give to healthy adults in a controlled setting. About 90 volunteers aged 18 to 55 will be exposed to the virus or a placebo and closely monitored. The goal is to create a reliable model for test…

This study aims to collect blood, nose, and saliva samples from up to 20,000 people aged 3 and older who have or may have a respiratory virus infection like flu or COVID-19. The samples will be stored and used in future research to better understand these viruses and how the immu…

This study is collecting blood and other samples from 5,000 children and young adults (under 21) who are already taking certain medications as part of their regular care. The goal is to understand how these drugs move through and affect children's bodies, so doctors can prescribe…

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 looks at whether using lung ultrasound can help doctors avoid giving antibiotics to children who don't need them. About 659 children aged 3 to 10 with suspected pneumonia will be randomly assigned to get either standard care or care guided by lung ultrasound. The goal …

This study looks at whether kidney failure changes how well the flu vaccine works in people on dialysis. Researchers will compare the immune response of 146 dialysis patients and healthy volunteers after they get the flu shot. Participants will give blood samples over several mon…

This study gives healthy adults a controlled dose of flu virus to see how their immune system responds and how the virus travels through the air. Researchers will track who gets mild to moderate flu symptoms and monitor safety. The goal is to learn more about flu infection, not t…

This study will use advanced MRI techniques to measure oxygen levels in the lungs of 50 people with early-stage idiopathic pulmonary fibrosis (IPF). The goal is to see if MRI can identify areas of low oxygen, which may be linked to disease progression. This is an observational st…

This study looks back at 3,000 hospital patients to see if those who got a flu shot, took blood pressure meds (ACEI/ARB), antihistamines, or amantadine had better COVID-19 outcomes. Researchers want to know if these common treatments can reduce deaths or shorten hospital stays. N…

This study follows 80 adults who had coronary bypass surgery to see how developing pneumonia in the hospital affects their heart and lung health over the next year. Researchers will compare patients who get pneumonia with those who don't, using blood tests, heart and lung functio…

This study looks at how often young children get ear infections from RSV, a common virus. Researchers will track 1900 children under 2 years old to see how many have RSV-related ear infections, with or without bronchiolitis. The goal is to better understand the burden of RSV in t…

This study follows 800 adults admitted to the respiratory ICU with severe pneumonia. Researchers will collect data on symptoms, breathing support, and death rates to better understand the disease. No new treatments are tested; the goal is to gather information to guide future car…

This study looks at how well the flu vaccine works in people who have had COVID-19, including those with long-term symptoms like fatigue or diabetes. Researchers will compare immune responses between 230 adults and children (ages 9-64) who had COVID-19 and those who did not. The …

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 how the immune system of adults over 75 responds to the annual flu shot. Researchers want to know if a common virus called CMV affects how well the vaccine works. Participants will receive the flu shot for free and provide blood samples over several weeks. The…

This study will gather health information from 5,000 children in China who have severe infections like pneumonia or sepsis. The goal is to learn how common these infections are, how well different treatments work, and to create tools that can predict which children are at highest…

This study tracks the immune response of 300 people with confirmed flu or COVID-19, comparing those who were recently vaccinated to those who were not. Participants provide blood, saliva, and nasal samples over 6 months, and some may opt for a lung fluid sample via bronchoscopy. …

This study is testing whether giving the COVID-19 booster and flu vaccine at the same time is as good as giving them a month apart for people with weakened immune systems. It also compares getting a COVID-19 booster every 3 months versus every 6 months. The trial involves 660 adu…

This study looks at 100 adults with fibrosing interstitial lung diseases (a type of lung scarring) to see if things like mold, dust, air pollution, and other home factors make the disease progress faster. Researchers will compare patients whose disease is getting worse to those w…

This study compares two strong antibiotics, polymyxin B and colistin, in treating serious infections caused by bacteria that are resistant to many common drugs. Researchers will look at medical records of 480 adults with pneumonia or bloodstream infections to see which antibiotic…

This study is an early safety check for a new drug called HW241045, which may one day help treat a lung disease called IPF. Researchers are giving a single dose to 56 healthy adults to see if it is safe and how the body processes it. No treatment benefit is expected for participa…

This study looks at whether a simple frailty assessment can better predict serious outcomes like death in older adults with pneumonia. Researchers will follow 150 patients aged 65 and older in the emergency department, comparing the frailty scale to standard severity scores. The …

This study trains community health workers to create and share personal stories and infographics on social media to promote flu, COVID-19, and other respiratory virus vaccines. Researchers will survey the health workers' social media followers to see if the messages change their …

This study gives healthy adults aged 18-49 a controlled dose of the H3N2 flu virus via nasal spray to observe how the immune system fights it and how the virus spreads. Participants stay in the hospital for 8-12 days for close monitoring, with follow-up visits over 5 months. The …

This study looks at the bacteria living in the lungs of people with a chronic lung condition called bronchiectasis who may also have an NTM infection. Researchers will collect sputum and airway samples from 1000 participants to compare the lung microbiome of those with and withou…

This study is looking at whether a blood test called D-dimer can help doctors understand how serious pneumonia is and how well patients might recover. Researchers will measure D-dimer levels in 50 adults admitted to the hospital with community-acquired pneumonia and compare them …

This study aims to develop a noninvasive way to detect blood vessel changes in the lungs of people with Group 3 pulmonary hypertension (PH) using a special MRI technique. Researchers will compare MRI results with lung tissue from 30 patients awaiting lung transplant. The goal is …

This study is enrolling 4,000 adults in intensive care with ARDS, sepsis, or pneumonia. Researchers will collect blood, urine, and swab samples, plus track recovery for up to a year. The goal is to identify different patient subtypes and find clues that could lead to better treat…

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 looks at children ages 5 to 15 who test positive for strep throat to understand why some become carriers—meaning they have the bacteria but no symptoms. Researchers will collect throat samples and analyze gene activity to compare carriers with those who have active inf…

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 for children and adults with interstitial lung disease, a group of conditions that scar the lungs and make breathing hard. Researchers will follow 3000 patients and their relatives for up to 10 years, collecting medical data and genetic information. The goal is to l…

This Phase 1 trial tests the safety and tolerability of an investigational drug called SRN001 in 30 healthy Korean and Caucasian men. Participants receive either SRN001 or a placebo to see how the drug moves through the body and whether it causes side effects. The goal is to gath…

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 looks at how a person's birth year and past flu exposure affect their immune response to the seasonal flu vaccine. Researchers will enroll up to 700 healthy adults of different ages to measure antibodies and immune cells before and after vaccination. The goal is to und…

This study reviews medical records from up to 400,000 U.S. Veterans to see how COVID-19 treatments like Paxlovid and remdesivir are used and how well they work. It also looks at RSV and flu patterns. The goal is to improve treatment strategies for respiratory viruses in the VA he…

This study looks at whether the effort it takes to breathe can cause further lung damage in people with idiopathic pulmonary fibrosis (IPF). Researchers will measure breathing effort using a simple nose pressure test before and after exercise. The goal is to find patients whose b…

This study looks at how medical oxygen programs work in six countries across Africa and Asia. Researchers will interview policymakers, health workers, and others to find out what helps or hinders oxygen access. The goal is to improve national and global policies, not to test a ne…

This study aims to understand how a gene called HOXB7 and related molecules behave in the lungs and blood of people with pulmonary fibrosis, a condition that causes lung scarring. Researchers will collect lung tissue and blood samples from 80 adults to look for biomarkers that mi…

This study uses a special type of MRI (called 129Xe gas exchange MRI) to take detailed pictures of how the lungs and heart work together. Researchers want to understand how these images change after treatments like blood transfusions or oxygen therapy. The study involves 125 adul…

This study tests whether monitoring changes in airway resistance can help doctors decide the best time to suction mucus from the lungs of patients on ventilators. Researchers will use machine learning to analyze data from 258 patients with conditions like ARDS or severe pneumonia…

This study looks at whether people newly diagnosed with idiopathic pulmonary fibrosis (IPF) have problems in their small airways, which are tiny air passages in the lungs. Researchers will use a simple breath test called nitrogen washout to check for these issues before starting …

This study is investigating whether germs called non-tuberculous mycobacteria (NTM) found in home water systems and dust can cause lung infections in people with cystic fibrosis. Researchers will collect samples from the homes of 120 CF patients—some with NTM infections and some …

This study looks at children with Down Syndrome who have pneumonia to see if there is a link between their immune system and how well they breathe. Researchers will measure immune markers in the blood and breathing rate and oxygen levels. The goal is to better understand these re…

This study tests whether computer-based decision support tools can help doctors reduce unnecessary antibiotic use in children with lower respiratory tract infections like pneumonia, bronchiolitis, and asthma flare-ups. Most of these infections are caused by viruses, not bacteria,…

This study tests whether a two-part approach—improving communication about viral infections and having pharmacists double-check prescription lengths—can reduce how many days antibiotics are prescribed for respiratory infections like bronchitis, sinusitis, and sore throat. About 4…

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 tests whether a rapid nose swab test that detects three common respiratory viruses (COVID-19, flu, and RSV) can help doctors avoid prescribing antibiotics when they aren't needed. About 2,000 people with respiratory symptoms will be enrolled. Doctors will either prescr…

This pilot study looks at how anti-fibrotic medications affect body composition in people with idiopathic pulmonary fibrosis (IPF) or progressive pulmonary fibrosis (PPF). Researchers will use bioelectrical impedance analysis (BIA) and muscle ultrasound to track changes in muscle…

This study aims to develop a simple, non-invasive way to detect lung diseases like cancer, asthma, and COPD by analyzing DNA and proteins from cough samples. Researchers will collect cough specimens from 2000 adults, including smokers and non-smokers, and compare them to samples …

This study tracks RSV (respiratory syncytial virus) in UK children under 2, after COVID-19 disrupted normal seasonal patterns. Researchers are monitoring when RSV appears, how severe it is, and whether older children are affected. The goal is to help hospitals prepare for surges …

This study is recruiting 160 people — half who carry one copy of the cystic fibrosis (CF) gene and half who do not — to see if carriers have different risks for respiratory infections. Researchers will collect nasal cells and blood samples to measure how well the cells move chlor…

This study looks at whether measuring Aspergillus fumigatus DNA in blood or lung fluid can help predict outcomes in patients with invasive aspergillosis, a serious fungal lung infection. Researchers will track 100 adults to see if changes in PCR levels during treatment relate to …

This study follows 750 healthy family members of people with familial pulmonary fibrosis, a lung scarring disease that runs in families. Researchers will track participants with yearly questionnaires and in-person visits every two years to see who develops the disease and why. Th…

This study explores whether functional MRI can help doctors tell different types of interstitial lung disease apart and track how they change over time. About 200 adults with certain lung conditions will get MRI scans alongside standard CT scans. The goal is to see if MRI can pro…

This observational study follows 400 women aged 40-60 to compare respiratory infection rates between those taking hormone replacement therapy (HRT) and those not. Participants wear a smartwatch to track vital signs and report symptoms for six months. The goal is to understand if …

This study reviews medical records of 350 adults who had surgery for esophageal cancer in France between 2017 and 2024. Researchers want to understand how often infections happen after surgery, what causes them, and how they affect recovery. The goal is to find ways to prevent th…

This study creates a global registry to collect information from 200 people with hantavirus infections. Researchers will track how the disease spreads, its symptoms, and what treatments doctors use. No new treatments are tested; the goal is to gather knowledge to improve future c…

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 looks at 100 ICU patients in France who were on breathing machines and had a lung infection (ventilator-associated pneumonia). Researchers want to see if the way doctors diagnosed these infections matches official 2017 guidelines. The goal is to understand how often th…

This study looks at whether scheduling automatic follow-up appointments after a child leaves the hospital is better than only seeing a doctor when needed. About 2,674 children hospitalized for pneumonia, urinary tract infections, skin infections, or stomach bugs will take part. T…

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 aims to understand how viruses spread in Fiji by tracking about 900 people over three years. Participants will provide blood samples and answer questions about their health. The goal is to learn about immunity and transmission to help prepare for future outbreaks.

This study aims to uncover the genetic causes of familial pulmonary fibrosis, a progressive lung disease that runs in families. Researchers will analyze DNA from 126 adults with a family history of the condition, looking for gene changes linked to lung scarring. The goal is to im…

This study follows 10,000 pregnant women in Nagpur, India, from early pregnancy through 42 days after birth. Researchers want to learn if catching flu or COVID-19 raises the risk of problems like preterm labor or severe pre-eclampsia. The goal is to provide clear evidence to help…

This study follows 1,088 newborns in Colombia and Panama until age 5 to learn how often respiratory infections happen, which viruses or bacteria cause them, and why some children get sicker than others. Families report symptoms twice a week and provide nasal and blood samples dur…

This study examines how the community of bacteria in the lungs (the microbiome) affects how well pneumonia patients respond to antibiotics. Researchers will follow 300 adults with pneumonia, taking samples from the mouth, rectum, and lungs over 90 days. The goal is to see if the …

This early-stage study tests a new medicine called GNS-3545 in 72 healthy adults to see if it is safe and how the body processes it. The drug is being developed for idiopathic pulmonary fibrosis, a disease that causes lung scarring. Participants will receive either the drug or a …

This study monitors the immune system of 20 adults with serious mold infections (like Aspergillus) to see how their T cells respond. The goal is to find out which patients might benefit from adding immunotherapy to standard antifungal drugs. Researchers will measure immune checkp…

This study will track 1,000 adults aged 60 and older who are hospitalized in Vietnam with breathing problems or worsening heart/lung conditions. Researchers want to find out how many of these cases are caused by RSV (respiratory syncytial virus) and which types of the virus are i…

This study is trying to understand why some people with severe flu in the ICU develop a dangerous fungal lung infection called aspergillosis. Researchers will compare the immune systems of 45 flu patients and non-flu pneumonia patients in the ICU. They hope to find differences in…

This study is observing about 1,300 hospitalized adults with weakened immune systems who have pneumonia. Researchers will track their health for one year, looking at causes, treatments, and outcomes. The goal is to gather information to improve care for this high-risk group.

This study collects blood, airway, and urine samples from 2,000 healthy volunteers and people with lung diseases like COPD and pulmonary fibrosis. Researchers will compare samples to establish normal ranges and learn how genes change in lung disease. The goal is to better underst…

This study collects blood samples from 2,000 adults with pulmonary fibrosis to find genetic traits that may explain why they developed the disease and why scarring patterns differ. Participants must be 18 or older and have a confirmed diagnosis. The goal is to better understand t…

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 aims to understand how common respiratory viruses like COVID-19, flu, and RSV spread in communities. Researchers will track up to 25,000 people of all ages using at-home test kits and symptom surveys. The goal is to better predict outbreaks and improve public health re…

This study is recruiting 100 adults with hard-to-treat nontuberculous mycobacterial (NTM) lung infections to see if phage therapy—using viruses that kill bacteria—can help. Researchers will collect blood and airway samples to find biological markers that show whether the treatmen…

This study is collecting blood and tissue samples from 500 people with idiopathic pulmonary fibrosis to find genetic and protein markers that might predict rapid lung function decline. Researchers will compare these markers with changes in symptoms over time. The goal is to bette…

This study looks at whether patients in the ICU who need a tracheostomy can keep getting nutrition through a tube right up until surgery, instead of stopping 6 hours before. The goal is to see if this helps them get more food without increasing the risk of food getting into the l…

This study collects pleural fluid (fluid around the lungs) and medical information from patients with known or suspected lung cancer or lung infections. The goal is to build a registry of samples that researchers can use to develop better tests and treatments in the future. Parti…

This study looks at whether giving a paravertebral nerve block during chest surgery can lower the chance of problems like lung infections, collapsed lungs, or breathing failure. Researchers will follow 500 adults having keyhole or robotic lung surgery. The goal is to see if this …

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 follows 2,000 children who have had or will have a stem cell or organ transplant. Researchers will test for respiratory viruses before and after transplant to see if they can predict who will get a serious lung infection. The goal is to improve screening and care, not …

This study investigates whether certain autoantibodies that block the body's natural antiviral defenses lead to higher viral levels and slower recovery in severe respiratory infections like flu, RSV, and COVID-19. Researchers will measure viral load changes over a week in 360 ICU…

This study is creating a registry and biobank for people with interstitial lung diseases (ILD), including sarcoidosis, idiopathic pulmonary fibrosis, and hypersensitivity pneumonitis. Researchers will collect medical data and biological samples from up to 1,000 participants to su…

This study follows 500 adults with progressive pulmonary fibrosis (a type of lung scarring) for 24 months. Researchers will collect medical images, lung function tests, and blood samples to better classify the disease and predict its course. The goal is to improve how doctors ide…

This study looks at how families feel about antibiotic use and whether a Garmin smartwatch can track symptoms in children aged 4-17 with common infections like UTIs, tonsillitis, or skin infections. About 300 children from the Royal Children's Hospital Emergency Department will w…

This study tests whether eating all meals within an 8-hour window (before 10 AM) for four weeks can improve how well older adults respond to seasonal flu and COVID-19 vaccines. Researchers will measure changes in immune cell activity and body composition in 24 healthy volunteers …

This study looks at how two FDA-approved flu vaccines—FluMist (a nasal spray) and the standard flu shot—trigger immune responses in healthy adults aged 18 to 40. Researchers will measure antibodies in the blood, nose, and lungs before and after vaccination. Some participants will…

This study will examine chest CT scans from 500 adults with rheumatoid arthritis, connective tissue diseases, or idiopathic pulmonary fibrosis to better understand lung disease patterns. Researchers want to see which scan features are most common in rheumatoid arthritis-related i…

This observational study aims to understand why older adults lose certain immune cells (T cells) from their nasal passages, which may make them more prone to respiratory infections. Researchers will compare young adults (18-30), healthy older adults (65+), and frail older adults …

This study tracks respiratory viruses in 250 healthcare and animal workers in the Netherlands, whether they have symptoms or not. Researchers will test for viruses directly and monitor immune changes over time. The goal is to catch new or emerging viruses early and learn how the …