Bronchiolitis Clinical Trials

41 recruitingLast updated: May 13, 2026

There are 41 actively recruiting bronchiolitis clinical trials across 16 countries. Studies span Not Applicable, Phase 3, Phase 2, Phase 4, Early Phase 1. Top locations include Houston, Texas, United States, Seattle, Washington, United States, Philadelphia, Pennsylvania, United States. Updated daily from ClinicalTrials.gov.


Bronchiolitis Trials at a Glance

41 actively recruiting trials for bronchiolitis are listed on ClinicalTrialsFinder across 6 cities in 16 countries. The largest study group is Not Applicable with 13 trials, with the heaviest enrollment activity in Houston, Seattle, and Philadelphia. Lead sponsors running bronchiolitis studies include Association Clinique Thérapeutique Infantile du val de Marne, Centre Hospitalier Universitaire de Nice, and Assistance Publique - Hôpitaux de Paris.

Browse bronchiolitis trials by phase

Treatments under study

About Bronchiolitis Clinical Trials

Looking for clinical trials for Bronchiolitis? There are currently 33 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new Bronchiolitis trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about Bronchiolitis clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 120 of 41 trials

Recruiting

The Longitudinal Impact of Respiratory Viruses on Bronchiolitis Obliterans Syndrome After Allogeneic Hematopoietic Cell Transplantation (The RV-BOS Study)

Hematopoietic and Lymphoid Cell NeoplasmBronchiolitis Obliterans Syndrome
Fred Hutchinson Cancer Center250 enrolled4 locationsNCT05250037
Recruiting
Phase 3

Characterization of Bronchodilator Response in Children With Bronchiolitis Using Phenotypic and Genotypic Features

BronchiolitisBronchodilator Agents
Nemours Children's Clinic400 enrolled1 locationNCT06946264
Recruiting
Phase 2

LAM-001 in Lung Transplant Recipients With Bronchiolitis Obliterans Syndrome.

Bronchiolitis Obliterans SyndromeLung transplantationChronic lung allograft dysfunction
Steven Hays, MD30 enrolled1 locationNCT06018766
Recruiting

Descriptive Study of the Initial Management of Young Children With Moderate Acute BRONCHiotitis With Home Hospitalisation

Bronchiolitis AcuteBronchiolitis
Elsan40 enrolled1 locationNCT06842238
Recruiting

Deployment-Related Lung Disease Research Database and Biorepository

Bronchiolitis
National Jewish Health500 enrolled1 locationNCT03035097
Recruiting

Evaluating Clonogenic Epithelial Cell Populations in Patients With Bronchiolitis Obliterans Syndrome

Bronchiolitis Obliterans
M.D. Anderson Cancer Center15 enrolled1 locationNCT04604522
Recruiting

Novel Pulmonary Function Measures for Diagnosis of Bronchiolitis Obliterans Syndrome Following Hematopoietic Stem-Cell Transplantation in Children

Bronchiolitis Obliterans Syndrome
The Hospital for Sick Children15 enrolled1 locationNCT04391335
Recruiting
Phase 2

BElumosudil for Bronchiolitis Obliterans Prevention/Therapy (BEBOP)

Lung DiseasesBronchiolitis Obliterans SyndromeChronic Graft Versus Host Disease+1 more
Dana-Farber Cancer Institute45 enrolled5 locationsNCT05922761
Recruiting
Not Applicable

I-DECIDE After Bronchiolitis Hospitalization

Bronchiolitis Acute
Seattle Children's Hospital2,700 enrolled56 locationsNCT07243652
Recruiting

Modern Technologies in Lower Respiratory Tract Infections in Children

Pediatric AsthmaLower Respiratory Tract and Lung InfectionsBronchiolitis Acute+3 more
Helse Møre og Romsdal HF200 enrolled2 locationsNCT07381790
Recruiting
Not Applicable

Reducing Overuse of Antibiotics With Decision Support

AsthmaPneumoniaLower Respiratory Tract Infection+1 more
Vanderbilt University Medical Center2,800 enrolled3 locationsNCT06788093
Recruiting
Not Applicable

Impact of a Multimodal Intervention on Antibiotic Prescribing for Respiratory Infections in Primary Care

AnginaAcute BronchiolitisAcute Bronchitis+8 more
University Hospital, Caen4,500 enrolled1 locationNCT07359287
Recruiting
Early Phase 1

Treatment of Pediatric Bronchiolitis Obliterans by Airway Basal Stem Cells

Pediatric Bronchiolitis Obliterans
Regend Therapeutics12 enrolled1 locationNCT07239895
Recruiting

COVID-19 Impact on RSV Emergency Presentations

Bronchiolitis; Respiratory Syncytial Virus
University Hospitals, Leicester3,000 enrolled1 locationNCT04959734
Recruiting
Not Applicable

Bronchiolitis Clearance Airways With Seaserum

Bronchiolitis Acute
University Hospital, Brest458 enrolled8 locationsNCT06177197
Recruiting

Longitudinal Pulmonary Chronic Graft-versus-host-disease (GvHD) Assessment in Hematopoietic Stem Cell Transplantation (HSCT) Patients

Bronchiolitis Obliterable Syndrome
National Taiwan University Hospital600 enrolled1 locationNCT07297303
Recruiting
Phase 3

Study to Evaluate ARINA-1 in the Prevention of Bronchiolitis Obliterans Progression in Participants With Bilateral Lung Transplant

Pre-Bronchiolitis Obliterans Syndrome
Renovion, Inc.100 enrolled20 locationsNCT05654922
Recruiting
Phase 2

Nintedanib in Patients With Bronchiolitis Obliterans Syndrome Following Hematopoietic Stem Cell Transplantation

Bronchiolitis Obliterans Syndrome (BOS)Bronchiolitis Obliterans (BO)
University Hospital, Basel, Switzerland20 enrolled3 locationsNCT03805477
Recruiting
Not Applicable

Assessement of Effectiveness of Seawater Nasal Sprays on Sinonasal Symptoms

COVID-19Chronic Rhinosinusitis (CRS)Allergic Rhinitis+3 more
Laboratoire de la Mer1,065 enrolled32 locationsNCT07262450
Recruiting
Not Applicable

Non-Invasive Ventilation Versus Neurally-Adjusted Ventilatory Assistance (NAVA) for the Treatment of Bronchiolitis

Bronchiolitis
Montefiore Medical Center130 enrolled1 locationNCT06053684