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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Bronchodilator Clear all
Completed No phase listed Observational Accepts healthy volunteers

Severe Asthma Research Program (SARP)- San Francisco Clinical Site

NCT01718197
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
6 Years and older
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Sep 22, 2026, 2:00 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study of Hypertonic Saline for Infants Hospitalized With Bronchiolitis

NCT01488448
View directory record Official record
Conditions
Bronchiolitis
Interventions
3% sodium chloride, 0.9% sodium chloride
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
Up to 12 Months
Enrollment
227 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Feb 1, 2017 · Synced Sep 22, 2026, 2:00 AM EDT
Terminated Phase 3 Interventional Results available

The Safety and Tolerability of Budesonide Foam in Participants With Active Ulcerative Proctitis or Proctosigmoiditis

NCT01349673
View directory record Official record
Conditions
Proctitis, Proctosigmoiditis
Interventions
Budesonide Foam
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 13, 2019 · Synced Sep 22, 2026, 2:00 AM EDT
Completed Phase 3 Interventional Results available

A 12-week Safety and Efficacy Study of Beclomethasone Dipropionate (80 and 160 mcg/Day) Delivered Via Breath-Actuated Inhaler (BAI) in Patients >=12 Years Old With Persistent Asthma

NCT02040779
View directory record Official record
Conditions
Persistent Asthma
Interventions
Beclomethasone dipropionate breath-actuated inhaler, Placebo breath-actuated inhaler, albuterol/salbutamol
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
12 Years and older
Enrollment
273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
47
States / cities
Huntington Beach, California • Mission Viejo, California • Orange, California + 41 more
Source: ClinicalTrials.gov public record
Updated Nov 8, 2021 · Synced Sep 22, 2026, 2:00 AM EDT
Not listed Phase 1 Interventional

Comparison of Bronchodilator Response From Three Different Aerosol Delivery Methods in Patients With COPD Using Hyperpolarized Xe 129 MRI Ventilation Imaging

NCT06271408
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Albuterol Sulfate, 2.5 Mg/3 mL (0.083%) Inhalation Solution, Vibrating Mesh Nebulizer, Metered Dose Inhaler, Jet Nebulizer
Drug · Device
Lead sponsor
Polarean, Inc.
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 20, 2024 · Synced Sep 22, 2026, 2:00 AM EDT
Completed Phase 3 Interventional Results available

Tiotropium / Respimat One Year Study in COPD.

NCT00387088
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Respimat, Tiotropium
Device · Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
3,991 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
57
States / cities
Birmingham, Alabama • Mobile, Alabama • Berkeley, California + 48 more
Source: ClinicalTrials.gov public record
Updated May 15, 2014 · Synced Sep 22, 2026, 2:00 AM EDT
Completed Phase 2 Interventional Results available

Bronchodilator Effect of RPL554 Administered in Addition to Tiotropium/Olodaterol in Patients With COPD

NCT03673670
View directory record Official record
Conditions
COPD
Interventions
RPL554 Suspension, Placebo, Tiotropium/olodaterol (Respimat)
Drug
Lead sponsor
Verona Pharma, Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA
Industry
Eligibility
40 Years to 80 Years
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
2
States / cities
Winter Park, Florida • Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 9, 2019 · Synced Sep 22, 2026, 2:00 AM EDT
Terminated Phase 4 Interventional Results available

The Effect of NAC on Lung Function and CT Mucus Score

NCT03822637
View directory record Official record
Conditions
Asthma
Interventions
n-acetylcystine + albuterol, 0.9% saline + albuterol
Combination Product
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 80 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Sep 22, 2026, 2:00 AM EDT
Completed Not applicable Interventional Results available

Digihaler in Chronic Obstructive Pulmonary Disease (COPD)

NCT05241288
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Albuterol eMDPI DS
Combination Product
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
40 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 22, 2024 · Synced Sep 22, 2026, 2:00 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Hyperpolarized Xenon-129 MR Imaging of the Lung

NCT04662658
View directory record Official record
Conditions
E-Cig Use
Interventions
Hyperpolarized Xenon -129 MRI
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 9, 2020 · Synced Sep 22, 2026, 2:00 AM EDT
Terminated Not applicable Interventional Results available

Breath-Actuated Nebulizer Versus Conventional Continuous-Output Nebulizer in Pediatric Asthma Patients

NCT01045174
View directory record Official record
Conditions
Asthma
Interventions
Nebulizer (breath-actuated versus conventional continuous-output)
Device
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
1 Year to 17 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 24, 2020 · Synced Sep 22, 2026, 2:00 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Examining Bronchial Hyperresponsiveness in Primary Ciliary Dyskinesia

NCT07288827
View directory record Official record
Conditions
Primary Ciliary Dyskinesia, Healthy
Interventions
Lung Function Testing, Phlebotomy, Allergy skin prick testing, Methacholine Challenge
Procedure
Lead sponsor
Indiana University
Other
Eligibility
6 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Sep 22, 2026, 2:00 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Respiratory Effects of Obesity in Children

NCT03376880
View directory record Official record
Conditions
Childhood Obesity
Interventions
1 year follow-up testing
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
8 Years to 12 Years
Enrollment
123 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 22, 2026, 2:00 AM EDT
Active, not recruiting Phase 4 Interventional

Combination Short-Acting BroNchodilator and Inhaled Corticosteroid Rescue Therapy on Health Outcomes in Routine Care

NCT06422689
View directory record Official record
Conditions
Asthma
Interventions
Albuterol and budesonide inhalation aerosol
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
1,511 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
11
States / cities
North Hollywood, California • Walnut Creek, California • Louisville, Kentucky + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 22, 2026, 2:00 AM EDT
Completed Phase 1 Interventional

Acute Bronchodilator Effect of Inhaled Albuterol Sulfate and Ipratropium Bromide in Patients With Stable COPD

NCT03480997
View directory record Official record
Conditions
COPD
Interventions
Albuterol Sulfate and Ipratropium Bromide, Albuterol Sulfate
Combination Product
Lead sponsor
Pneuma Respiratory, Inc
Industry
Eligibility
40 Years to 80 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Hickory, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 28, 2018 · Synced Sep 22, 2026, 2:00 AM EDT
Active, not recruiting Phase 4 Interventional

The Effects of Positive Airway Pressure on the Mucolytic Effects of NAC (TEAM)

NCT06152653
View directory record Official record
Conditions
Asthma, COPD
Interventions
n-acetylcystine (NAC)+ albuterol, AeroEclipse-VersaPAP System
Drug · Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 22, 2026, 2:00 AM EDT
Completed Phase 4 Interventional Results available

Effect of Brovana and Tiotropium in Chronic Obstructive Pulmonary Disease (COPD)

NCT00773786
View directory record Official record
Conditions
COPD
Interventions
Arformoterol (Brovana), Placebo
Drug
Lead sponsor
Trinity Health Of New England
Other
Eligibility
40 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 5, 2019 · Synced Sep 22, 2026, 2:00 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Characterizing Asthma Sputum Elasticity in the UCSF Severe Asthma Research Program

NCT02103348
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Sep 22, 2026, 2:00 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Palliative Care Health Literacy Education and QOL Compared to Usual Care

NCT06089499
View directory record Official record
Conditions
COPD
Interventions
Get Palliative Care: four educational learning module videos
Behavioral
Lead sponsor
University of Missouri, Kansas City
Other
Eligibility
65 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 17, 2023 · Synced Sep 22, 2026, 2:00 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Sublingual Atropine Bioequivalence by Route of Administration (SABER)

NCT06366087
View directory record Official record
Conditions
Atropine Bioequivalence
Interventions
Atropine Sulfate Ophthalmic Solution USP, 1%, Atropine Sulfate Injection, USP 8 mg/20 mL (0.4 mg/mL)
Drug
Lead sponsor
Biomedical Advanced Research and Development Authority
Federal
Eligibility
18 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced Sep 22, 2026, 2:00 AM EDT
Active, not recruiting No phase listed Observational

Michigan Early Disease Progression Cohort

NCT04968249
View directory record Official record
Conditions
COPD
Interventions
Observational
Other
Lead sponsor
University of Michigan
Other
Eligibility
30 Years to 55 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 22, 2026, 2:00 AM EDT
Completed Phase 4 Interventional Results available

Feasibility, Safety and Efficacy of Nebulized Long-Acting Bronchodilators (Formoterol and Revefenacin) vs. Short-Acting Bronchodilators (Albuterol and Ipratropium) in Hospitalized Patients With AECOPD

NCT04655170
View directory record Official record
Conditions
COPD Exacerbation
Interventions
Revefenacin (YUPELRI) & Formoterol (Perforomist), Albuterol Inhalation Aerosol (short-acting beta-agonists) & Ipratropium Aerosol (short-acting anticholinergic)
Drug
Lead sponsor
University of Tennessee Graduate School of Medicine
Other
Eligibility
40 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 22, 2026, 2:00 AM EDT
Recruiting Not applicable Interventional

Bronchoscopic RElease of Air Trapped in Hyperinflated Emphysematous Lung - Study 3

NCT06891755
View directory record Official record
Conditions
COPD, Emphysema
Interventions
Apreo BREATHE Airway Scaffold, Optimal Medical Management (OMM)
Device · Other
Lead sponsor
Apreo Health, Inc.
Industry
Eligibility
40 Years to 84 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
18
States / cities
Birmingham, Alabama • Gilbert, Arizona • Sacramento, California + 15 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Sep 22, 2026, 2:00 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation Inhaled Corticosteroids on Exhaled Nitric Oxide Gas Exchange

NCT00568347
View directory record Official record
Conditions
COPD
Interventions
fluticasone 100mcg/ salmeterol 50mcg, fluticasone 250/salmeterol 50, Salmeterol, salmeterol and fluticasone propionate
Drug
Lead sponsor
Arthur F Gelb MD
Individual
Eligibility
20 Years to 85 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2013
U.S. locations
1
States / cities
Lakewood, California
Source: ClinicalTrials.gov public record
Updated Mar 16, 2015 · Synced Sep 22, 2026, 2:00 AM EDT