Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 24, 2026, 5:19 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 191 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Obstructive Pulmonary Function Clear all
Completed Phase 1Phase 2 Interventional

Etanercept for Non-Infectious Lung Injury Following Bone Marrow Transplantation

NCT00029328
View directory record Official record
Conditions
Respiratory Distress Syndrome, Adult, Bronchiolitis Obliterans, Pneumonia
Interventions
etanercept
Drug
Lead sponsor
FDA Office of Orphan Products Development
Federal
Eligibility
12 Months and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 25, 2015 · Synced Oct 24, 2026, 5:19 PM EDT
Completed No phase listed Observational

Evaluating the Use of a Device Called Impulse Oscillometry in Participants With Vocal Cord Disorders or Asthma

NCT05246930
View directory record Official record
Conditions
Breathing, Mouth, Lung Function Decreased, Vocal Cord Dysfunction, Laryngeal Obstruction, Asthma
Interventions
Impulse Oscillometer
Device
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
43 participants
Timeline
2022 – 2024
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Dec 18, 2024 · Synced Oct 24, 2026, 5:19 PM EDT
Completed Not applicable Interventional Results available

E-cigarettes for Harm Reduction in Adults With Asthma

NCT05278065
View directory record Official record
Conditions
Smoking, Asthma, Electronic Cigarette Use, Cigarette Smoking
Interventions
Nicotine
Other
Lead sponsor
Brown University
Other
Eligibility
21 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Oct 24, 2026, 5:19 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Hyperpolarized 129Xe MR Imaging of Lung Function in Healthy Volunteers and Subjects With Pulmonary Disease

NCT04624490
View directory record Official record
Conditions
Asthma, COPD, Interstitial Lung Disease, Cystic Fibrosis, Pulmonary Hypertension, Pulmonary Infection, Other Lung Disease
Interventions
Hyperpolarized Xe129
Drug
Lead sponsor
Mario Castro, MD, MPH
Other
Eligibility
3 Years and older
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 24, 2026, 5:19 PM EDT
Completed No phase listed Observational

Tiotropium Induced Bronchodilation in Lung CT Scored Emphysema

NCT00570544
View directory record Official record
Conditions
COPD, Emphysema
Interventions
tiotropium
Drug
Lead sponsor
Gelb, Arthur F., M.D.
Individual
Eligibility
40 Years to 85 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Lakewood, California
Source: ClinicalTrials.gov public record
Updated Aug 14, 2008 · Synced Oct 24, 2026, 5:19 PM EDT
Recruiting No phase listed Observational

Body Composition Related Evaluation of Airway Tone and Hyper-rEactivity Using Oscillometry

NCT07356310
View directory record Official record
Conditions
Breathing, Lung Function Decreased, Asthma (Diagnosis), Obesity
Interventions
Oscillometer
Device
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 24, 2026, 5:19 PM EDT
Completed Phase 2 Interventional Results available

A Study Evaluating the Effect of Inhaled PT007(AS MDI) Versus Placebo MDI and Ventolin Evohaler on Lung Function in Adult Participants With Asthma

NCT06644924
View directory record Official record
Conditions
Asthma
Interventions
Intervention: AS MDI, Intervention: Ventolin Evohaler, Intervention: Placebo matching AS MDI
Combination Product
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 65 Years
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
22
States / cities
Encinitas, California • Lancaster, California • Los Angeles, California + 19 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 24, 2026, 5:19 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Airflow Obstruction and Biomarkers of Airway Inflammation During and Following Acute Exacerbations of Childhood Asthma

NCT01227070
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
6 Years to 18 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 22, 2010 · Synced Oct 24, 2026, 5:19 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Potential Mechanism of Exercise Impairment in OSA

NCT02505594
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Not listed
Lead sponsor
University of California, San Diego
Other
Eligibility
30 Years to 65 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 5, 2018 · Synced Oct 24, 2026, 5:19 PM EDT
Active, not recruiting Not applicable Interventional

Symptoms and Functions in Patients With COPD and Chronic Bronchitis Switching From CIG to THS

NCT07108166
View directory record Official record
Conditions
COPD, Smoking, Tobacco Use
Interventions
Cigarette, THS
Other
Lead sponsor
Philip Morris Products S.A.
Industry
Eligibility
40 Years and older
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
46
States / cities
Clearwater, Florida • Coral Gables, Florida • Davie, Florida + 24 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Oct 24, 2026, 5:19 PM EDT
Completed Phase 2 Interventional Results available

An Efficacy and Safety Study of Mitiperstat (AZD4831) (MPO Inhibitor) vs Placebo in the Treatment of Moderate to Severe COPD.

NCT05492877
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Mitiperstat (AZD4831), Placebo
Drug · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
40 Years to 80 Years
Enrollment
381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
19
States / cities
Newport Beach, California • Clearwater, Florida • DeLand, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated Aug 29, 2025 · Synced Oct 24, 2026, 5:19 PM EDT
Completed No phase listed Observational

Longitudinal Evaluation of HIV-associated Lung Disease Phenotypes

NCT02238327
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, HIV, Emphysema
Interventions
blood draw, questionnaires, Lung function testing, Six-Minute walk test, Quantitative CT scans, Nasal secretion and cell collection, Echocardiogram
Procedure · Radiation
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 80 Years
Enrollment
232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 8, 2020 · Synced Oct 24, 2026, 5:19 PM EDT
Completed Phase 3 Interventional Results available

Revefenacin Peak Inspiratory Flow Rate (PIFR) Study in COPD

NCT03095456
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, COPD, Low Peak Inspiratory Flow Rate (PIFR)
Interventions
Revefenacin, Spiriva Handihaler®, Placebo for Revefenacin, Placebo for Spiriva Handihaler®
Drug · Combination Product
Lead sponsor
Mylan Inc.
Industry
Eligibility
40 Years and older
Enrollment
207 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Rock Hill, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 24, 2022 · Synced Oct 24, 2026, 5:19 PM EDT
Completed Not applicable Interventional

ED Physical Therapy for Chronic Low Back Pain

NCT05206630
View directory record Official record
Conditions
Low Back Pain
Interventions
ED Physical Therapy
Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Oct 24, 2026, 5:19 PM EDT
Completed Phase 2 Interventional

Inhaled Corticosteroids (ICS) on Pulmonary Endothelial Function in COPD

NCT05607719
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Bevespi, Bretzri
Drug
Lead sponsor
University of Miami
Other
Eligibility
40 Years to 80 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 24, 2026, 5:19 PM EDT
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Functional Applications of Hyperpolarized 129Xe MRI

NCT01697332
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Hyperpolarized 129Xe gas
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
20 Years to 75 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 17, 2018 · Synced Oct 24, 2026, 5:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

MRI for Non-Invasive Imaging in Neonates and Children

NCT02163681
View directory record Official record
Conditions
Healthy, Cystic Fibrosis (CF), Asthma, Bronchopulmonary Dysplasia (BPD)
Interventions
Hyperpolarized Helium-3 MRI of the chest
Drug
Lead sponsor
University of Virginia
Other
Eligibility
4 Months to 65 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2018
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 19, 2022 · Synced Oct 24, 2026, 5:19 PM EDT
Terminated Phase 1 Interventional

Effect of Acid Reflux on Respiratory Physiology During Exercise in Athletes With GER-Response to Acid Suppression

NCT00444236
View directory record Official record
Conditions
Exercise Triggered Asthma, Gastroesophageal Reflux
Interventions
Nexium, Placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 21, 2016 · Synced Oct 24, 2026, 5:19 PM EDT
Completed No phase listed Observational

Interleukin (IL)-13 as a Marker in Pediatrics Asthma

NCT00968305
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
Rush University Medical Center
Other
Eligibility
8 Years to 15 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 28, 2009 · Synced Oct 24, 2026, 5:19 PM EDT
Completed No phase listed Observational

Validation of Chronic Obstructive Pulmonary Disease (COPD) Algorithm

NCT07223749
View directory record Official record
Conditions
COPD (Chronic Obstructive Pulmonary Disease)
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
40 Years and older
Enrollment
425 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 24, 2026, 5:19 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

COPD Metabolome, Smoking Oxidants and Aberrant Ciliated Cell Function

NCT01974154
View directory record Official record
Conditions
COPD, Smoking
Interventions
Cohort I, Cohort II
Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 30, 2020 · Synced Oct 24, 2026, 5:19 PM EDT
Recruiting Phase 3 Interventional

A Study of Efficacy and Safety of Depemokimab Compared With Placebo in Adults and Adolescents With at Risk Type 2 Asthma

NCT07456033
View directory record Official record
Conditions
Asthma
Interventions
Depemokimab, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years and older
Enrollment
456 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
16
States / cities
Little Rock, Arkansas • Newport Beach, California • Aurora, Colorado + 11 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 24, 2026, 5:19 PM EDT
Recruiting No phase listed Observational

Vitamin C to Decrease Effects of Smoking in Pregnancy on Infant Lung Function (VCSIP) Longer Term Follow Up

NCT06106646
View directory record Official record
Conditions
Asthma, Pulmonary Function, Wheezing, In Utero Nicotine
Interventions
No active intervention in this protocol (previously randomized to Vitamin C), No active intervention in this protocol (previously randomized to Placebo)
Dietary Supplement · Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
6 Years to 16 Years
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
2
States / cities
Indianapolis, Indiana • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 18, 2025 · Synced Oct 24, 2026, 5:19 PM EDT
Withdrawn No phase listed Observational

Oral Contraceptives and Asthma Control

NCT00662051
View directory record Official record
Conditions
Asthma, Regulatory T Cell Function
Interventions
Not listed
Lead sponsor
University of Kentucky
Other
Eligibility
18 Years to 45 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 9, 2013 · Synced Oct 24, 2026, 5:19 PM EDT