Bronchiolitis
MONDO:0002465Inflammation of the bronchioles characterized by swelling of the bronchioles and mucus accumulation. It is usually caused by the respiratory syncytial virus and affects children. Signs and symptoms include coughing, wheezing, and shortness of breath.
Also known as: bronchiolitis, bronchiolitis (disease), wheezy bronchitis, RSV bronchiolitis, viral bronchiolitis
114 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsSub-types
Broader categories
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Inhaled cyclosporine aims to halt lung transplant rejection
Disease control CompletedThis Phase 3 trial tested whether adding inhaled liposomal cyclosporine A to standard care can improve lung function in 169 double lung transplant patients with chronic rejection. Participants inhaled the drug twice daily for 48 weeks. The main goal was to see if it slowed the de…
Phase: PHASE3 • Sponsor: Zambon SpA • Aim: Disease control
Last updated Jun 27, 2026 09:03 UTC
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Nanoparticle inhaler could tame lung transplant rejection
Disease control CompletedThis study tested a new way to deliver the drug everolimus directly to the lungs using tiny particles called liposomes. The goal was to treat chronic lung rejection (bronchiolitis obliterans syndrome) after a lung transplant. Researchers used human lung tissue and cells in the la…
Sponsor: Fondazione IRCCS Policlinico San Matteo di Pavia • Aim: Disease control
Last updated Jun 27, 2026 07:57 UTC
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Inhaled cyclosporine shows promise for lung transplant rejection
Disease control CompletedThis Phase 3 trial tested whether adding inhaled liposomal cyclosporine A to standard care helps single lung transplant patients with chronic lung rejection. 62 adults who had a single lung transplant at least a year earlier and had signs of chronic rejection took part. The study…
Phase: PHASE3 • Sponsor: Zambon SpA • Aim: Disease control
Last updated Jun 27, 2026 07:56 UTC
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Air purifiers tested to soothe baby lungs after bronchiolitis
Disease control CompletedThis study tested whether using HEPA air filters at home can reduce respiratory symptoms in infants under 12 months who were hospitalized for bronchiolitis. 230 babies were randomly assigned to have either real HEPA filters or placebo filters in their home for 24 weeks. Caregiver…
Phase: NA • Sponsor: IDeA States Pediatric Clinical Trials Network • Aim: Disease control
Last updated Jun 27, 2026 07:52 UTC
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New drug could slow lung decline in transplant patients
Disease control CompletedThis phase 3 trial tests whether nintedanib, a drug already used for lung scarring, can slow the decline in lung function in lung transplant recipients who develop bronchiolitis obliterans syndrome (BOS), a form of chronic rejection. 58 participants received either nintedanib or …
Phase: PHASE3 • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Disease control
Last updated Jun 26, 2026 14:53 UTC
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Could a simple breath test spot hidden diseases early?
Diagnosis CompletedThis study is testing a portable, non-invasive breath analyzer that measures tiny particles in exhaled breath to screen for conditions like type 2 diabetes, liver disease, kidney disease, and lung disease. Researchers will enroll healthy volunteers and people with known diagnoses…
Sponsor: Respyr • Aim: Diagnosis
Last updated Jun 27, 2026 13:07 UTC
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Can lung MRI replace CT scans for detecting a serious Post-Transplant lung condition?
Diagnosis CompletedThis study looked at whether lung MRI can diagnose bronchiolitis obliterans syndrome (BOS) after allogeneic stem cell transplant as well as chest CT scans. BOS is a serious lung complication that can occur after transplant, and early diagnosis is important. Researchers compared M…
Phase: NA • Sponsor: University Hospital, Bordeaux • Aim: Diagnosis
Last updated Jun 27, 2026 13:01 UTC
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Radiation-Free lung scans for kids? new MRI shows promise
Diagnosis CompletedThis study tested a new MRI technique that can take pictures of children's lungs without using radiation or injecting contrast dye. 72 children aged 6-16 had both a standard CT scan and this new MRI. The goal was to see if the MRI could produce clear images of the lungs, potentia…
Phase: NA • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Diagnosis
Last updated Jun 26, 2026 15:40 UTC
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Monthly capsule may keep wheezing away in babies at risk
Prevention CompletedThis study tested whether a monthly oral bacterial extract (Broncho-Vaxom) could prevent wheezing lower respiratory tract infections in infants aged 6-18 months who are at high risk for asthma. Over 800 participants received either the extract or a placebo for 10 days each month …
Phase: PHASE2 • Sponsor: University of Arizona • Aim: Prevention
Last updated Jun 27, 2026 13:00 UTC
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Bacterial lysate shows promise in preventing infant wheeze after bronchiolitis
Prevention CompletedThis study tested whether a bacterial lysate (Broncho Vaxom) can prevent wheezing in infants who were hospitalized for severe bronchiolitis. 173 infants received either the lysate or a placebo for up to 24 months. The goal was to see if the treatment reduces the number of wheeze …
Phase: PHASE2 • Sponsor: Queen Mary University of London • Aim: Prevention
Last updated Jun 27, 2026 12:36 UTC
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Laughing gas may soothe painful tube insertion in toddlers
Symptom relief CompletedThis trial investigates whether inhaling a 50/50 mix of nitrous oxide (laughing gas) and oxygen can reduce pain when a nasogastric tube is placed in children aged 3 months to 3 years. The study includes children with mild to moderate dehydration from conditions like gastroenterit…
Phase: NA • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Symptom relief
Last updated Jul 03, 2026 00:00 UTC
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Stomach lying may cut breathing support needs in sick infants
Symptom relief CompletedThis study tested whether placing infants under 6 months with moderate to severe bronchiolitis on their stomachs (prone position) while on high-flow oxygen could reduce the need for more intensive breathing support. A total of 452 infants in critical care were randomly assigned t…
Phase: NA • Sponsor: Hospices Civils de Lyon • Aim: Symptom relief
Last updated Jun 27, 2026 14:02 UTC
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Which flow rate helps babies breathe better? new study tests two options
Symptom relief CompletedThis study looked at 300 infants under 6 months old with severe bronchiolitis in the pediatric ICU. Researchers compared two flow rates of high-flow nasal cannula (2 vs 3 liters per minute per kilogram) to see which one reduced breathing failure within 24 hours. The goal is to fi…
Phase: NA • Sponsor: University Hospital, Montpellier • Aim: Symptom relief
Last updated Jun 27, 2026 14:00 UTC
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New hope for preventing Post-Surgery confusion in seniors
Symptom relief CompletedThis study tested whether giving a small amount of s-ketamine during chest surgery could reduce the risk of postoperative delirium (sudden confusion) in patients aged 60 and older. Over 500 participants were randomly assigned to receive either s-ketamine or another drug (dexmedet…
Phase: EARLY_PHASE1 • Sponsor: Affiliated Cancer Hospital & Institute of Guangzhou Medical University • Aim: Symptom relief
Last updated Jun 27, 2026 12:28 UTC
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Ice your pain away: nerve freezing may cut opioid use after lung surgery
Symptom relief CompletedThis study tested freezing the nerves between the ribs during robot-assisted lung surgery to see if it reduces pain and the need for painkillers afterward. 33 adults having lung surgery were randomly assigned to get the nerve freeze or standard pain medicine. Researchers tracked …
Phase: PHASE4 • Sponsor: Medical College of Wisconsin • Aim: Symptom relief
Last updated Jun 27, 2026 12:07 UTC
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Could a tiny dose of muscle relaxant make lung scopes safer?
Symptom relief CompletedThis study looked at whether giving a low dose of a muscle relaxant (rocuronium) during bronchoscopy—a procedure where a tube is inserted into the lungs—could reduce complications like throat spasms and coughing. 153 adults having elective bronchoscopy were split into two groups:…
Phase: NA • Sponsor: Harbin Medical University • Aim: Symptom relief
Last updated Jun 27, 2026 09:09 UTC
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New ventilator mode may cut breathing tube time for lung disease patients
Symptom relief CompletedThis study tested a new ventilator mode called NAVA for people with chronic obstructive pulmonary disease (COPD) who need a breathing machine. NAVA uses the patient's own diaphragm signals to control the machine, aiming to improve comfort and reduce time on the ventilator. The st…
Phase: NA • Sponsor: Fu Jen Catholic University Hospital • Aim: Symptom relief
Last updated Jun 27, 2026 09:06 UTC
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Which spacer works best for wheezing tots? new study has answers
Symptom relief CompletedThis study tested two different spacer devices (valved holding chambers) used to give asthma medicine to children aged 6 months to 4 years with sudden wheezing. 80 children from Finnish hospitals took part. The goal was to see if one spacer worked better for symptom relief, hospi…
Phase: NA • Sponsor: Tampere University • Aim: Symptom relief
Last updated Jun 27, 2026 09:00 UTC
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Which breathing aid works best for kids? new study compares HVNI and CPAP
Symptom relief CompletedThis study looked at 80 children aged 1 month to 5 years with severe breathing problems from pneumonia or bronchiolitis. It compared two non-invasive breathing support methods: High Velocity Nasal Insufflation (HVNI) and Nasal Continuous Positive Airway Pressure (CPAP). The goal …
Phase: NA • Sponsor: Ain Shams University • Aim: Symptom relief
Last updated Jun 27, 2026 09:00 UTC
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Scientists examine lung cells to understand chronic lung disease
Knowledge-focused CompletedThis study looked at immune cells called alveolar macrophages in the lungs of 18 people with non-infectious lung diseases. Researchers used a technique called flow cytometry to study the surface proteins on these cells. The goal was to better understand the role of these cells in…
Sponsor: Rennes University Hospital • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:01 UTC
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Study aims to Fine-Tune oxygen delivery for sick infants
Knowledge-focused CompletedThis study measured the peak tidal inspiratory flow (PTIF)—how fast infants breathe in—in 50 babies under 6 months old with moderate to severe viral bronchiolitis. Researchers used a spirometer to record 20 breaths per infant within 24 hours of hospital admission. The goal was to…
Phase: NA • Sponsor: University Hospital, Montpellier • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:00 UTC
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Heart scan may forecast ICU stay for babies with severe bronchiolitis
Knowledge-focused CompletedThis study looked at 46 infants under 2 years old in the pediatric ICU with severe bronchiolitis. Researchers used a heart ultrasound measure called TAPSE to see if it could predict how long babies needed intensive care. The goal was to find a simple test that helps doctors plan …
Phase: NA • Sponsor: University Hospital, Bordeaux • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:36 UTC
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Hospital pathways may help kids with asthma, pneumonia, and bronchiolitis get better care
Knowledge-focused CompletedThis study looked at whether a set of care guidelines (called a pathway) could help doctors and nurses in community hospitals use the best treatments for children hospitalized with asthma, pneumonia, or bronchiolitis. Over 11,000 children took part across many hospitals. The goal…
Phase: NA • Sponsor: University of California, San Francisco • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:10 UTC
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Could a stroll beat a sprint for oxygen testing?
Knowledge-focused CompletedThis study looked at 93 people with lung disease who get short of breath when active. Participants did two 6-minute walk tests: one at their fastest pace and one at their normal walking speed. The goal was to see if the normal-speed test gives a more accurate picture of when they…
Phase: NA • Sponsor: Hampshire Hospitals NHS Foundation Trust • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:09 UTC
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Why do some hospitals treat baby bronchiolitis differently?
Knowledge-focused CompletedThis completed study analyzed how doctors in different hospitals treat babies under 2 years old with bronchiolitis, a common lung infection. Researchers looked at 127 children to see if differences in care led to different outcomes, like length of hospital stay. The goal was to u…
Sponsor: Hospital General de Niños Pedro de Elizalde • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:03 UTC
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Baby lung tests after bronchiolitis: clues to asthma?
Knowledge-focused CompletedThis study followed 29 infants who had bronchiolitis in their first year to see if their lung function changes over time and whether that leads to asthma. Researchers measured breathing using special tests and also did allergy skin tests. However, many families dropped out, so th…
Phase: NA • Sponsor: Centre Hospitalier Universitaire de Nice • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:01 UTC
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New study monitors kids hospitalized for severe breathing issues
Knowledge-focused CompletedThis study observed over 1,800 children hospitalized for serious breathing problems like bronchiolitis, pneumonia, or asthma. It aimed to track how many children were hospitalized for bronchiolitis after a new immunization became available. The study did not test any new treatmen…
Sponsor: Association Clinique Thérapeutique Infantile du val de Marne • Aim: Knowledge-focused
Last updated Jun 27, 2026 11:02 UTC
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Helium-3 MRI reveals hidden airflow secrets in lungs
Knowledge-focused CompletedThis study uses a special MRI technique with inhaled helium-3 gas to measure how fast air moves through the windpipe and lungs. Researchers will compare airflow in healthy volunteers and people with COPD or constrictive bronchitis. The goal is to gather real-world data to improve…
Phase: NA • Sponsor: University of Virginia • Aim: Knowledge-focused
Last updated Jun 27, 2026 11:02 UTC
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Which breathing support works best for sick babies?
Knowledge-focused CompletedThis study looked at 20 infants with severe bronchiolitis (a serious lung infection) to compare two types of breathing support: CPAP and NiPPV. The goal was to see which method reduces the effort of breathing more effectively. Researchers measured breathing effort using a special…
Phase: NA • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Knowledge-focused
Last updated Jun 27, 2026 11:00 UTC
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Lung transplant infection study aims to improve Long-Term survival
Knowledge-focused CompletedThis study followed 600 lung transplant recipients at the University of Pittsburgh to see how common viral and bacterial infections are and how they affect long-term health. Researchers focused on whether a specific infection (C. pneumoniae) is linked to a condition called bronch…
Sponsor: University of Pittsburgh • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:10 UTC
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Tummy time for tiny lungs: study tests prone position for sick infants
Knowledge-focused CompletedThis study looked at whether placing infants with severe bronchiolitis on their stomach (prone) while on breathing support reduces their work of breathing. Sixteen babies under 6 months old were randomly assigned to start either on their back or stomach, then switched after an ho…
Phase: NA • Sponsor: Hospices Civils de Lyon • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:05 UTC
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Hospital dietitians boost nutrition in lung patients, study finds
Knowledge-focused CompletedThis study tested whether having a dietitian help patients with lung disease order meals during a hospital stay could improve their nutrition and reduce the chance of being readmitted after discharge. 41 patients at nutritional risk took part. Researchers measured daily food inta…
Sponsor: Gødstrup Hospital • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:05 UTC
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Nurse-led oxygen weaning cuts hospital time for babies with bronchiolitis?
Knowledge-focused CompletedThis study tested a nurse-led weaning protocol for high-flow nasal cannula (HFNC) oxygen therapy in 150 infants aged 1-24 months hospitalized with bronchiolitis. The goal was to see if a structured weaning plan could reduce the time on HFNC, shorten hospital stays, and lower cost…
Phase: NA • Sponsor: Dr. Behcet Uz Children's Hospital • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:59 UTC
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New MRI breath test could spot lung transplant rejection earlier
Knowledge-focused CompletedThis study tested a new MRI technique using inhaled hyperpolarized xenon gas to detect early signs of bronchiolitis obliterans syndrome (BOS), a common form of chronic rejection after lung transplant. Only 3 participants were involved, and the goal was to see if the imaging could…
Phase: PHASE1, PHASE2 • Sponsor: Children's Hospital Medical Center, Cincinnati • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:53 UTC
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RSV prevention drug shows promise in first year of use
Knowledge-focused CompletedThis study looked at how a new medicine called nirsevimab affected RSV infections and hospital stays in children under 2 years old in the Australian Capital Territory. Researchers used routine health data from over 2,300 kids to compare RSV cases and emergency visits before and a…
Sponsor: Nicola Irwin • Aim: Knowledge-focused
Last updated Jun 26, 2026 19:14 UTC