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Showing 1–24 of 90 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Airway Inflammation Clear all
Completed Phase 2 Interventional Results available

Effects of L-arginine Supplementation in Adults With Moderate to Severe Asthma

NCT00280683
View directory record Official record
Conditions
Asthma
Interventions
L-arginine, Placebo
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Sep 6, 2026, 6:50 AM EDT
Completed Not applicable Interventional

Effect of a Component of Fish Oil on Exercise-Induced Bronchoconstriction and Airway Inflammation in Asthma

NCT01200446
View directory record Official record
Conditions
Asthma
Interventions
Docosahexaenoic Acid, Placebo Docosahexaenoic Acid
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 40 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated May 25, 2011 · Synced Sep 6, 2026, 6:50 AM EDT
Completed Phase 4 Interventional

Mometasone and Markers of Airway Inflammation

NCT00711165
View directory record Official record
Conditions
Asthma
Interventions
Placebo, Mometasone Furoate
Drug
Lead sponsor
Creighton University
Other
Eligibility
19 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jul 7, 2008 · Synced Sep 6, 2026, 6:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Broccoli Sprout Extract Effects on Allergic Inflammation in the Nose

NCT00882115
View directory record Official record
Conditions
Allergic Airway Disease
Interventions
Broccoli sprout extract (BSE)
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 19, 2019 · Synced Sep 6, 2026, 6:50 AM EDT
Completed Phase 1 Interventional

A Pilot Study of the Mechanism of Synergism Between FP and Salmeterol in Preventing COPD Exacerbations

NCT00116402
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
fluticasone and salmeterol
Drug
Lead sponsor
University of Chicago
Other
Eligibility
50 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 4, 2014 · Synced Sep 6, 2026, 6:50 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Development of a Breath Analyzer for Asthma Screening

NCT00386737
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
Ekips Technologies
Industry
Eligibility
4 Years to 65 Years
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Norman, Oklahoma
Source: ClinicalTrials.gov public record
Updated Oct 11, 2006 · Synced Sep 6, 2026, 6:50 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Lung-Resident Memory Th2 Cells in Asthma

NCT03455959
View directory record Official record
Conditions
Asthma, Allergic
Interventions
Bronchoscopy/BAL, Airway Brushing
Procedure
Lead sponsor
Andrew D. Luster, M.D.,Ph.D.
Other
Eligibility
18 Years to 55 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Sep 6, 2026, 6:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pathogenesis and Genetics of Environmental Asthma Ozone Study

NCT00574158
View directory record Official record
Conditions
Asthma, Inflammation
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 35 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 28, 2014 · Synced Sep 6, 2026, 6:50 AM EDT
Completed Not applicable Interventional Results available

Sonu Nasal Congestion Relief Study in Patients Suffering From Moderate to Severe Nasal Congestion

NCT05821842
View directory record Official record
Conditions
Nasal Congestion and Inflammations
Interventions
Sonu
Device
Lead sponsor
Third Wave Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 25, 2024 · Synced Sep 6, 2026, 6:50 AM EDT
Recruiting Phase 2 Interventional

A Study to Learn About the Study Medicine Called PF-07275315 in People With Moderate-To-Severe Asthma

NCT06977581
View directory record Official record
Conditions
Asthma
Interventions
PF-07275315, Placebo
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 70 Years
Enrollment
252 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
36
States / cities
Mobile, Alabama • Chandler, Arizona • Lancaster, California + 29 more
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 6, 2026, 6:50 AM EDT
Withdrawn Phase 2 Interventional

Pioglitazone Hydrochloride (Actos(Registered Trademark)) to Treat Asthma

NCT00604578
View directory record Official record
Conditions
Asthma, Airway Inflammation, Airflow Obstruction, Airway Hyperactivity
Interventions
Pioglitazone Hydrochloride
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
2
States / cities
Bethesda, Maryland • Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 6, 2026, 6:50 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Evaluation of the Effect of a Nasal Allergen Challenge With Dermatophagoides Farinae Extract on Nasal Airway Inflammation in Allergic Individuals, Comparing E-cigarette Users to Cigarette Smokers and Non-smokers.

NCT03023397
View directory record Official record
Conditions
Healthy Participants, Tobacco Smokers
Interventions
Der f
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 3, 2021 · Synced Sep 6, 2026, 6:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Factors Involved in Asthma and Airway Inflammation

NCT00001887
View directory record Official record
Conditions
Asthma, Healthy
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 6, 2026, 6:50 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study of the Inflammation and Airway Changes That Occur After Exposure to Allergen in Asthmatics

NCT02230189
View directory record Official record
Conditions
Asthma
Interventions
Segmental airway allergen challenge, Bronchoscopy, Methacholine challenge test, Spirometry, Allergen skin prick test
Biological · Procedure · Diagnostic Test
Lead sponsor
Prescott Woodruff
Other
Eligibility
18 Years to 50 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 15, 2022 · Synced Sep 6, 2026, 6:50 AM EDT
Completed No phase listed Observational

Capsaicin Cough Threshold in Chronic Cough Due to Postnasal Drip

NCT00588627
View directory record Official record
Conditions
Post Nasal Drip
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 9, 2010 · Synced Sep 6, 2026, 6:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Genetic Susceptibility TO Ozone-induced Airway Inflammation in Humans

NCT00840528
View directory record Official record
Conditions
Healthy Control
Interventions
ozone
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 40 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 24, 2017 · Synced Sep 6, 2026, 6:50 AM EDT
Recruiting Phase 4 Interventional

A Study to Investigate Airway Inflammation With Dupilumab Subcutaneously in Participants Aged ≥40 to ≤85 Years With Chronic Obstructive Pulmonary Disease.

NCT07053423
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Dupilumab, Placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
40 Years to 85 Years
Enrollment
218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
10
States / cities
Birmingham, Alabama • Miami, Florida • Cordele, Georgia + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 6, 2026, 6:50 AM EDT
Completed Not applicable Interventional

Effect of CPAP (Continuous Positive Airway Pressure) on Lung Function in Asthmatics With Sleep Apnea

NCT00238069
View directory record Official record
Conditions
Asthma, Sleep Apnea
Interventions
CPAP machine as a result of sleep study
Device
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 28, 2017 · Synced Sep 6, 2026, 6:50 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Savannah Environmental Nutrition Study (SENS): Nutrition Intervention to Reduce Air Pollution-Related Airway Inflammation and Oxidative Stress

NCT07797413
View directory record Official record
Conditions
Air Pollution Exposure, Oxidative Stress, Airway Inflammation
Interventions
Antioxidant- and Nutrient-Rich Food-Based Nutrition Intervention
Other
Lead sponsor
Georgia Southern University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Savannah, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 6, 2026, 6:50 AM EDT
Terminated Phase 4 Interventional

Surgical Reduction of the Inferior Turbinates for Nasal Obstruction

NCT00737906
View directory record Official record
Conditions
Chronic Rhinitis, Inflammation of the Nasal Mucosa, Inflammation of Nasal Tissue
Interventions
Surgical turbinate reduction procedure
Procedure
Lead sponsor
ArthroCare Corporation
Other
Eligibility
6 Years to 17 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
5
States / cities
San Diego, California • Aurora, Colorado • Boynton Beach, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2015 · Synced Sep 6, 2026, 6:50 AM EDT
Completed Not applicable Interventional Results available

Effects of Whole Sprouts on Airway Allergic Inflammation

NCT01522703
View directory record Official record
Conditions
Allergic Rhinitis, Asthma, Allergy
Interventions
Broccoli Sprouts, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 18, 2017 · Synced Sep 6, 2026, 6:50 AM EDT
Completed Phase 4 Interventional Results available

Efficacy of Omalizumab in Adults (18-60 Years of Age) With Moderate-Severe, Persistent Allergic Asthma, Despite Receiving Inhaled Corticosteroids and Long Acting Beta-agonists

NCT00670930
View directory record Official record
Conditions
Allergic Asthma
Interventions
omalizumab at a dose of 0.016mg/kg/IU/mL, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
6
States / cities
Denver, Colorado • St Louis, Missouri • Durham, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 17, 2013 · Synced Sep 6, 2026, 6:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study to Evaluate the Impact of Obesity on Airway Inflammation and Mechanics in Asthmatics

NCT00615706
View directory record Official record
Conditions
Asthma
Interventions
No intervention
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years to 70 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 22, 2008 · Synced Sep 6, 2026, 6:50 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Induced Tolerogenic Dendritic Cells as Modulators of Allergic Asthma

NCT01711593
View directory record Official record
Conditions
Asthma, Allergies
Interventions
Bronchoscopy, Segmental Allergen Challenge and Bronchoalveolar Lavage, Phlebotomy
Biological · Procedure
Lead sponsor
Andrew D. Luster, M.D.,Ph.D.
Other
Eligibility
18 Years to 50 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 14, 2017 · Synced Sep 6, 2026, 6:50 AM EDT