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Showing 1–24 of 3,173 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Lung Diseases, Obstructive Clear all
Completed Phase 2 Interventional

Phase 2a Study to Assess the Efficacy and Safety of AZD4604 in Adult Patients With Moderate-to-Severe Asthma Uncontrolled on Medium-High Dose ICS-LABA

NCT06020014
View directory record Official record
Conditions
Asthma
Interventions
AZD4604, Placebo
Drug · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 80 Years
Enrollment
339 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
22
States / cities
Birmingham, Alabama • Chandler, Arizona • Newport Beach, California + 19 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Sep 15, 2026, 2:30 AM EDT
Terminated Phase 2 Interventional Results available

Study Evaluating the Safety and Effects of MN-221 in Subjects Experiencing an Acute Exacerbation of Asthma

NCT00683449
View directory record Official record
Conditions
Asthma, Status Asthmaticus
Interventions
Dose Group 1, MN-221 placebo, Dose Group 2, Dose Group 3
Drug
Lead sponsor
MediciNova
Industry
Eligibility
18 Years to 55 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
9
States / cities
Phoenix, Arizona • Los Angeles, California • Sylmar, California + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2011 · Synced Sep 15, 2026, 2:30 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of Regional Ventilation Using 19F MRI of Inert Perfluorinated Gases Mixed With Oxygen

NCT01710449
View directory record Official record
Conditions
COPD, Asthma, Cystic Fibrosis, Emphysema, Small Airways Diseases
Interventions
perfluorinated gas/oxygen mixture
Drug
Lead sponsor
Hal C Charles
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 8, 2013 · Synced Sep 15, 2026, 2:30 AM EDT
Completed No phase listed Observational Results available

A Post Marketing Evaluation of the Effectiveness of FluMist Risk Minimization Plan in Children

NCT00626808
View directory record Official record
Conditions
Asthma, Wheezing, Immunosuppression
Interventions
No Intervention
Drug
Lead sponsor
MedImmune LLC
Industry
Eligibility
Not listed
Enrollment
321,697 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 11, 2014 · Synced Sep 15, 2026, 2:30 AM EDT
Completed Phase 2 Interventional

Healthier Living Canada

NCT01047514
View directory record Official record
Conditions
Asthma, Chronic Disease
Interventions
Chronic Disease Self-Management Online Workshop
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
297 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Sep 16, 2014 · Synced Sep 15, 2026, 2:30 AM EDT
Completed No phase listed Observational Results available

A Study Using US Medical and Pharmacy Claim Records to Compare the Resource Use, Cost, and Outcomes of People With COPD Who Take Either Tiotropium + Olodaterol or Fluticasone + Umeclidinium + Vilanterol

NCT05127304
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Trelegy Ellipta, Stiolto Respimat, Furoate/Umeclidinium/Vilanterol, Tiotropium Bromide/Olodaterol
Device · Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
11,316 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Eden Prairie, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 12, 2023 · Synced Sep 15, 2026, 2:30 AM EDT
Completed Not applicable Interventional

Intervention for Improving Asthma Care for Minority Children in Head Start

NCT00094276
View directory record Official record
Conditions
Asthma, Lung Diseases
Interventions
Facilitated Asthma Communication Intervention (FACI), Breathmobile intervention
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
2 Years to 6 Years
Enrollment
336 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 24, 2018 · Synced Sep 15, 2026, 2:30 AM EDT
Completed Phase 4 Interventional

Effect of Age and Device on Delivery of Fluticasone

NCT00308932
View directory record Official record
Conditions
Asthma
Interventions
HFA FP MDI
Drug
Lead sponsor
University of Florida
Other
Eligibility
1 Year to 18 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 19, 2011 · Synced Sep 15, 2026, 2:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Exhaled Breath Condensate Biomarkers of Inflammation in Individuals With Chronic Cervical Spinal Cord Injury

NCT02235714
View directory record Official record
Conditions
Tetraplegia, Asthma
Interventions
Not listed
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 89 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 9, 2014 · Synced Sep 15, 2026, 2:30 AM EDT
Completed Phase 3 Interventional Results available

Treatment of Preschool Children With Upper Respiratory Tract Illnesses Using Azythromycin and Lower Respiratory Tract Symptoms Using Oral Corticosteroids.

NCT01272635
View directory record Official record
Conditions
Asthma, Wheezing
Interventions
Azithromycin, Prednisolone, Placebo Azithromycin, Placebo Prednisolone
Drug · Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
12 Months to 71 Months
Enrollment
607 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
16
States / cities
Tucson, Arizona • Oakland, California • San Francisco, California + 11 more
Source: ClinicalTrials.gov public record
Updated Dec 27, 2016 · Synced Sep 15, 2026, 2:30 AM EDT
Completed Not applicable Interventional

C-reactive Protein (CRP)-Guided Management Algorithm for Adults With Acute Cough

NCT00221351
View directory record Official record
Conditions
Cough
Interventions
CRP point of care testing
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
2
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated May 22, 2011 · Synced Sep 15, 2026, 2:30 AM EDT
Terminated Phase 4 Interventional

KEYS: Study Comparing Clinical Health Outcomes of Telithromycin Versus Azithromycin in Outpatients With Community-acquired Lower Respiratory Tract Infections

NCT00132951
View directory record Official record
Conditions
Respiratory Tract Infections, Chronic Bronchitis, Pneumonia
Interventions
Telithromycin, Azithromycin
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 35 Years
Enrollment
2,051 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 26, 2009 · Synced Sep 15, 2026, 2:30 AM EDT
Completed Not applicable Interventional

Fish Oil to Prevent Asthma Exacerbations in Patients With ALOX5 Polymorphisms

NCT00621829
View directory record Official record
Conditions
Asthma
Interventions
EPA enriched fish oils
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Mather, California
Source: ClinicalTrials.gov public record
Updated May 14, 2017 · Synced Sep 15, 2026, 2:30 AM EDT
Completed Phase 2 Interventional Results available

A Dose Range Finding Study to Evaluate the Efficacy and Safety of AZD9668 Administered Orally at Three Dose Levels to Patients With Chronic Obstructive Pulmonary Disease (COPD) on Treatment With Tiotropium

NCT00949975
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
AZD9668, AZD9668 Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
40 Years to 80 Years
Enrollment
838 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
9
States / cities
Fullerton, California • Valparaiso, Indiana • Council Bluffs, Iowa + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2012 · Synced Sep 15, 2026, 2:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Virtual Teach-to-Goal Education vs. Brief Education for Children

NCT04373499
View directory record Official record
Conditions
Asthma, Bronchospasm, Shortness of Breath
Interventions
Virtual Teach to Goal, Brief Intervention
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
5 Years to 10 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 28, 2021 · Synced Sep 15, 2026, 2:30 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Role of Genetic Factors in the Development of Lung Disease

NCT00001532
View directory record Official record
Conditions
Cystic Fibrosis, Pulmonary Fibrosis, Tuberous Sclerosis, Asthma, Pulmonary Sarcoidosis
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
2 Years to 90 Years
Enrollment
3,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1996
U.S. locations
2
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Sep 15, 2026, 2:30 AM EDT
Completed Phase 1Phase 2 Interventional

Real-Time Support for Exercise Persistence in COPD

NCT00373932
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, COPD, Emphysema, Chronic Bronchitis
Interventions
Coached exercise persistence intervention, Self-Monitored exercise persistence intervention
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
40 Years to 85 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 6, 2009 · Synced Sep 15, 2026, 2:30 AM EDT
Terminated Not applicable Interventional Results available

Nasal Suction in Infants With Bronchiolitis Using a NoseFrida vs. Bulb Syringe

NCT04599101
View directory record Official record
Conditions
Bronchiolitis, Respiratory Disease
Interventions
Nose Frida nasal suction device, Bulb syringe nasal suction device
Device
Lead sponsor
Corewell Health East
Other
Eligibility
Up to 18 Months
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 3, 2024 · Synced Sep 15, 2026, 2:30 AM EDT
Completed Phase 3 Interventional Results available

NVA237 Versus Placebo 12-week Efficacy Study

NCT01709864
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
NVA237, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
40 Years and older
Enrollment
440 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
54
States / cities
Homewood, Alabama • Jasper, Alabama • *See Various Dept.'s*, Arizona + 43 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2015 · Synced Sep 15, 2026, 2:30 AM EDT
Completed No phase listed Observational

Observational Assessment of Baseline Asthma Control in African-American Children

NCT01891630
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
12 Years to 17 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 3, 2015 · Synced Sep 15, 2026, 2:30 AM EDT
Completed Phase 2 Interventional

Comparison of Two Bronchodilator Inhalers in Pediatric Asthmatics

NCT00112411
View directory record Official record
Conditions
Asthma
Interventions
Bronchodilator
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
4 Years to 11 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005
U.S. locations
9
States / cities
San Diego, California • Savannah, Georgia • Louisville, Kentucky + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 7, 2021 · Synced Sep 15, 2026, 2:30 AM EDT
Completed Not applicable Interventional Results available

Investigation of the Role of Pictorial Asthma Action Plans to Promote Self-management in Rural Youth With Asthma

NCT03187119
View directory record Official record
Conditions
Asthma
Interventions
Pictorial Asthma Action Plan, Written Asthma Action Plan
Behavioral
Lead sponsor
West Virginia University
Other
Eligibility
8 Years to 17 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Oct 21, 2021 · Synced Sep 15, 2026, 2:30 AM EDT
Not yet recruiting Not applicable Interventional

Asthma Lung Sounds With Wearable Stethoscope

NCT07792330
View directory record Official record
Conditions
Asthma, Pediatric Asthma, Airway Obstruction Upper
Interventions
Prototype Wearable Stethoscope
Device
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
4 Years to 17 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 15, 2026, 2:30 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effects of p38 Inhibitor AZD7624 in Corticosteroid Resistant Asthma

NCT02753764
View directory record Official record
Conditions
Corticosteroid Resistant (CR) Asthmatics
Interventions
AZD7624, prednisone, Placebo
Drug
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 20, 2019 · Synced Sep 15, 2026, 2:30 AM EDT