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Showing 1–24 of 1,272 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Obstructive Airway Disease Clear all
Completed No phase listed Observational

Longitudinal Observational Study of Severe Asthma

NCT01780142
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 100 Years
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Jul 24, 2026, 9:11 AM EDT
Active, not recruiting Phase 2 Interventional

Rademikibart Add-on Treatment of an Acute COPD Exacerbation (Seabreeze STAT COPD)

NCT06940154
View directory record Official record
Conditions
COPD Acute Exacerbation
Interventions
Rademikibart in prefilled syringe, Matching placebo in prefilled syringe
Combination Product · Drug
Lead sponsor
Connect Biopharm LLC
Industry
Eligibility
40 Years to 80 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
21
States / cities
Birmingham, Alabama • Palo Alto, California • Valencia, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Jul 24, 2026, 9:11 AM EDT
Terminated Phase 2 Interventional Results available

Pulmonary Rehab in Chronic Obstructive Pulmonary Disease (COPD): Response to Tyvaso

NCT02178566
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Inhaled Treprostinil
Drug
Lead sponsor
Inova Health Care Services
Other
Eligibility
40 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 11, 2022 · Synced Jul 24, 2026, 9:11 AM EDT
Completed Not applicable Interventional Results available

Optiflow THRIVE for Delivery of Oxygen to Patients During Total Intravenous Anesthesia While Undergoing Radiology Procedures

NCT04171037
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Oxygen Therapy, Questionnaire Administration, Optiflow THRIVE
Procedure · Other · Device
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced Jul 24, 2026, 9:11 AM EDT
Recruiting Phase 3 Interventional

Multi-Center Clean Air Randomized Controlled Trial in COPD

NCT06376994
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Air cleaner, Sham air cleaner
Device
Lead sponsor
JHSPH Center for Clinical Trials
Other
Eligibility
40 Years and older
Enrollment
770 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
11
States / cities
Birmingham, Alabama • Los Angeles, California • Iowa City, Iowa + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Jul 24, 2026, 9:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single Ascending Dose Study of TRN-157 in Healthy Subjects

NCT02133339
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
TRN-157, Placebo
Drug
Lead sponsor
Theron Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Oct 30, 2014 · Synced Jul 24, 2026, 9:11 AM EDT
Completed Phase 4 Interventional Results available

Peak Inspiratory Flow and Dry Powder Inhaler Performance in COPD

NCT04606394
View directory record Official record
Conditions
COPD
Interventions
Trelegy Ellipta 100/62.5/25Mcg Inh 30D, Ventolin 90Mcg/Actuation Inhalation Aerosol
Drug
Lead sponsor
Pulmonary Research Institute of Southeast Michigan
Other
Eligibility
40 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Farmington Hills, Michigan
Source: ClinicalTrials.gov public record
Updated May 7, 2023 · Synced Jul 24, 2026, 9:11 AM EDT
Recruiting No phase listed Observational

Effectiveness of the WearME System for COPD Severity and Respiratory Function

NCT06751537
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Not listed
Lead sponsor
LASARRUS Clinic and Research Center
Industry
Eligibility
21 Years to 100 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Baltimore, Maryland • Salisbury, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Jul 24, 2026, 9:11 AM EDT
Completed Not applicable Interventional

Positive Airway Pressure (PAP) for Children With Down Syndrome (DS) and Obstructive Sleep Apnea Syndrome (OSAS)

NCT04132999
View directory record Official record
Conditions
Down Syndrome, Obstructive Sleep Apnea
Interventions
Family-informed intervention, Standard Clinical Care
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
6 Years to 18 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
3
States / cities
Miami, Florida • Cincinnati, Ohio • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Jul 24, 2026, 9:11 AM EDT
Terminated Not applicable Interventional

Effect of CPAP on Abnormal Gastroesophageal Reflux and Lung Inflammation in IPF

NCT05359965
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis, Obstructive Sleep Apnea, Gastro Esophageal Reflux
Interventions
Positive Airway Pressure
Device
Lead sponsor
University of Arizona
Other
Eligibility
50 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 8, 2026 · Synced Jul 24, 2026, 9:11 AM EDT
Completed Not applicable Interventional Results available

Effects of Continuous Positive Airway Pressure (CPAP) on Glucose Metabolism

NCT01503164
View directory record Official record
Conditions
Obstructive Sleep Apnea, Sleep Apnea, Sleep-disordered Breathing
Interventions
Positive Pressure Therapy (PAP), LifeStyle Counseling
Device · Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 75 Years
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 18, 2017 · Synced Jul 24, 2026, 9:11 AM EDT
Completed No phase listed Observational

Prevalence and Pathogenesis of Lung Disease in a Large HIV Cohort-coordinating Center

NCT00870857
View directory record Official record
Conditions
HIV Infections, Emphysema, Chronic Obstructive Pulmonary Disease, Pneumocystis
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
407 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
2
States / cities
Los Angeles, California • San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 25, 2025 · Synced Jul 24, 2026, 9:11 AM EDT
Not listed No phase listed Observational

Head to Head Comparison of Upper Airway Stimulation and Continuous Positive Airway Pressure; a Pilot Study.

NCT04191512
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Not listed
Lead sponsor
Thomas Jefferson University
Other
Eligibility
22 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 21, 2024 · Synced Jul 24, 2026, 9:11 AM EDT
Completed Phase 4 Interventional Results available

Airway Clearance for Prevention of Chronic Obstructive Pulmonary Disease (COPD) Exacerbation

NCT00181207
View directory record Official record
Conditions
COPD, Chronic Bronchitis, Emphysema
Interventions
pneumatic vest, placebo pneumatic vest
Device · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
45 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 18, 2018 · Synced Jul 24, 2026, 9:11 AM EDT
Completed Not applicable Interventional Results available

Upper Airway Physical Therapy for the Treatment of Obstructive Sleep Apnea

NCT02109731
View directory record Official record
Conditions
Obstructive Sleep Apnea Syndrome
Interventions
Negative airway pressure delivery
Other
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 14, 2015 · Synced Jul 24, 2026, 9:11 AM EDT
Completed Phase 4 Interventional Results available

A Randomized Study, Comparing Fluticasone Furoate/Umeclidinium/Vilanterol (FF/UMEC/VI) Single Inhaler Triple Therapy, Versus Multiple Inhaler Therapy (Budesonide/Formoterol Plus Tiotropium) in Subjects With Chronic Obstructive Pulmonary Disease (COPD)

NCT03478683
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
budesonide/formoterol, albuterol/salbutamol, FF/UMEC/VI, Placebo to match budesonide/formoterol, tiotropium, Placebo to match FF/UMEC/VI, placebo to match tiotropium, ELLIPTA, MDI, HandiHaler
Drug · Device
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years and older
Enrollment
729 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
40
States / cities
Gold River, California • Clearwater, Florida • DeBary, Florida + 31 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2020 · Synced Jul 24, 2026, 9:11 AM EDT
Recruiting Not applicable Interventional

OMEGA - Dietary Intervention - COPD Trial

NCT05297279
View directory record Official record
Conditions
COPD, Chronic Obstructive Pulmonary Disease
Interventions
Home delivery Omega-3 rich Food, Dietary Motivational Coaching, Home delivery Food
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
40 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Jul 24, 2026, 9:11 AM EDT
Completed Phase 3 Interventional Results available

Effect of Roflumilast on Exacerbation Rate in Patients With Chronic Obstructive Pulmonary Disease (COPD): The AURA Study (BY217/M2-124)

NCT00297102
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Roflumilast, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
40 Years and older
Enrollment
1,523 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
47
States / cities
Fullerton, California • Los Angeles, California • Palmdale, California + 43 more
Source: ClinicalTrials.gov public record
Updated Jan 15, 2017 · Synced Jul 24, 2026, 9:11 AM EDT
Completed Phase 1Phase 2 Interventional

Study of Trospium Chloride Inhalation Powder (TrIP) in Patients With Chronic Obstructive Pulmonary Disease

NCT00465959
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
trospium chloride inhalation powder (TrIP), Placebo
Drug
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
40 Years to 80 Years
Enrollment
24 participants
Timeline
2007
U.S. locations
1
States / cities
Spartanburg, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 26, 2013 · Synced Jul 24, 2026, 9:11 AM EDT
Completed Not applicable Interventional

Effectiveness of Influenza Vaccine Reminder Systems

NCT01852656
View directory record Official record
Conditions
Asthma, Chronic Obstructive Pulmonary Disease
Interventions
Postcard and IVR Reminder Group, Postcard Only Reminder Group, IVR Only Reminder Group
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
19 Years to 64 Years
Enrollment
12,255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated May 13, 2013 · Synced Jul 24, 2026, 9:11 AM EDT
Completed Early Phase 1 Interventional Results available

The Effects of Tiotropium on the Cough Reflex in Patients With Chronic Obstructive Pulmonary Disease (COPD)

NCT00870896
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Chronic Bronchitis
Interventions
Tiotropium
Drug
Lead sponsor
ThomasTruncale
Other
Eligibility
40 Years to 80 Years · Male only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
2
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 30, 2014 · Synced Jul 24, 2026, 9:11 AM EDT
Completed Not applicable Interventional

Monitoring Metered Dose Inhalation (MDI) Volume and Timing With a Respimetrix Device in Obstructive Lung Disease.

NCT05495256
View directory record Official record
Conditions
Asthma, Copd
Interventions
Respimetrix
Device
Lead sponsor
Pulmonary Critical Care Associates of Baltimore
Other
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Towson, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 27, 2023 · Synced Jul 24, 2026, 9:11 AM EDT
Completed Not applicable Interventional

Physical Activity Coaching in Chronic Obstructive Pulmonary Disease (COPD)

NCT01349608
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Physical Activity, Health Behavior
Interventions
Telephonic health coaching
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 3, 2013 · Synced Jul 24, 2026, 9:11 AM EDT
Completed Phase 3 Interventional Results available

Glycopyrronium and Formoterol Fumarate (GFF) Metered Dose Inhaler (MDI) Dose Indicator Study in Adults With Moderate to Very Severe COPD

NCT02268396
View directory record Official record
Conditions
COPD
Interventions
Glycopyrronium and Formoterol Fumarate Metered-dose Inhaler
Drug
Lead sponsor
Pearl Therapeutics, Inc.
Industry
Eligibility
40 Years to 80 Years
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
10
States / cities
Clearwater, Florida • Tampa, Florida • Winter Park, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Dec 22, 2016 · Synced Jul 24, 2026, 9:11 AM EDT