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ClinicalTrials.gov public records Last synced Oct 25, 2026, 2:04 AM EDT

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Showing 145–168 of 191 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Obstructive Pulmonary Function Clear all
Completed No phase listed Observational

Effects of Marijuana Used on Lung Function in Persons With Chronic Obstructive Pulmonary Disease (COPD)

NCT01096303
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Not listed
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
25 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 15, 2017 · Synced Oct 25, 2026, 2:04 AM EDT
Completed Phase 3 Interventional Results available

A Phase III Parallel Group Study, Comparing the Efficacy, Safety and Tolerability of the Fixed Dose Combination (FDC) of Fluticasone Furoate+Umeclidinium Bromide+Vilanterol (FF/UMEC/VI) With the FDC of FF/VI in Subjects With Inadequately Controlled Asthma

NCT02924688
View directory record Official record
Conditions
Asthma
Interventions
FF/UMEC/VI (100/31.25/25) mcg, FF/UMEC/VI (100/62.5/25) mcg, FF/UMEC/VI (200/31.25/25) mcg, FF/UMEC/VI (200/62.5/25) mcg, FF/VI (100/25) mcg, FF/VI (200/25) mcg, Fluticasone/salmeterol (FSC), Albuterol/salbutamol, ELLIPTA DPI, DISKUS DPI, METERED-DOSE INHALER (MDI)
Drug · Device
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
2,436 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
99
States / cities
Birmingham, Alabama • Mobile, Alabama • Montgomery, Alabama + 89 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2021 · Synced Oct 25, 2026, 2:04 AM EDT
Completed Phase 4 Interventional Results available

Roflumilast on Markers of Bone Metabolism and Endothelial Function in COPD

NCT01745848
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Roflumilast
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
50 Years to 75 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 29, 2017 · Synced Oct 25, 2026, 2:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Prognostic Indicators as Provided by the EPIC ClearView

NCT01476995
View directory record Official record
Conditions
Coronary Artery Disease, Congestive Heart Failure, Valvular Heart Disease, Atrial Fibrillation, Hypertension, Pyelonephritis, Acute Renal Failure, Renal Failure, Viral Hepatitis, Alcoholic Hepatitis, Steatohepatitis, Cirrhosis, Asthma, COPD, Bronchitis, Emphysema, Pneumonia, Inflammatory Bowel Disease, Crohn's Disease, Ulcerative Colitis, Diverticulitis, Peptic Ulcer Disease, Irritable Bowel Syndrome, Cholecystitis, Pancreatitis, Malabsorption Disorders, Celiac Sprue, Diabetes
Interventions
Not listed
Lead sponsor
Epic Research & Diagnostics, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
353 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 22, 2011 · Synced Oct 25, 2026, 2:04 AM EDT
Completed Phase 3 Interventional Results available

RETHINC: REdefining THerapy In Early COPD for the Pulmonary Trials Cooperative

NCT02867761
View directory record Official record
Conditions
COPD (Chronic Obstructive Pulmonary Disease)
Interventions
Indacaterol/Glycopyrrolate, Placebo
Drug
Lead sponsor
University of Michigan
Other
Eligibility
40 Years to 80 Years
Enrollment
780 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
16
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2023 · Synced Oct 25, 2026, 2:04 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Predictors of Post-COVID-19 Clinical and Cognitive Consequences

NCT06291870
View directory record Official record
Conditions
Post Acute Sequelae of SARS CoV 2 Infection, Obstructive Sleep Apnea
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 23, 2026 · Synced Oct 25, 2026, 2:04 AM EDT
Completed No phase listed Observational Results available

Progression of Airway Obstruction in Childhood Asthma

NCT00873873
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
National Jewish Health
Other
Eligibility
16 Years to 40 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 22, 2020 · Synced Oct 25, 2026, 2:04 AM EDT
Recruiting Not applicable Interventional

The Effect of a Technology-Mediated Integrated Walking and Tai Chi Intervention on Physical Function in Veterans With COPD and Chronic Musculoskeletal Pain

NCT05701982
View directory record Official record
Conditions
COPD, Chronic Musculoskeletal Pain
Interventions
Every Step Counts-Tai Chi, Usual Care
Behavioral · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years to 100 Years
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 25, 2026, 2:04 AM EDT
Completed Phase 4 Interventional Results available

The ENERGITO® 2 Study Compares 2 Inhaled Medicines for Chronic Obstructive Pulmonary Disease (COPD). One Medicine is a Combination of Tiotropium and Olodaterol (Stiolto®) Taken Using the Respimat® Inhaler and the Other Medicine is a Combination of Fluticasone and Salmeterol Taken Using the Diskus

NCT03240575
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Tiotropium, Olodaterol, Fluticasone propionate, Salmeterol
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
45
States / cities
Jasper, Alabama • Flagstaff, Arizona • Fullerton, California + 40 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2020 · Synced Oct 25, 2026, 2:04 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 11, 2026 · Synced Oct 25, 2026, 2:04 AM EDT
Completed No phase listed Observational

Functional Activity of Airway Eosinophils in Allergic Disease

NCT01026532
View directory record Official record
Conditions
Asthma
Interventions
Segmental Allergen Challenge
Biological
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 50 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 18, 2020 · Synced Oct 25, 2026, 2:04 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Impairments That Affect Correct Inhaler Use in COPD

NCT06135324
View directory record Official record
Conditions
COPD
Interventions
Not listed
Lead sponsor
COPD Foundation
Other
Eligibility
60 Years to 90 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
9
States / cities
Birmingham, Alabama • Chicago, Illinois • Burlington, Massachusetts + 6 more
Source: ClinicalTrials.gov public record
Updated May 11, 2025 · Synced Oct 25, 2026, 2:04 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the 24-Hour Pulmonary Function Profile of Fluticasone Furoate/Vilanterol (FF/VI) Inhalation Powder 100/25mcg Once Daily Compared With Tiotropium Bromide Inhalation Powder 18mcg Once Daily in Subjects With COPD Who Have or Are At Risk for Co-morbid Cardiovascular Disease

NCT01627327
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
fluticasone furoate/vilanterol 100/25mcg, tiotropium bromide 18mcg
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years and older
Enrollment
623 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
11
States / cities
Newport Beach, California • Coeur d'Alene, Idaho • Charlotte, North Carolina + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 9, 2017 · Synced Oct 25, 2026, 2:04 AM EDT
Withdrawn Not applicable Interventional

Asthma and Osteopathic Manipulative Technique

NCT07071194
View directory record Official record
Conditions
Asthma
Interventions
OMT, Light touch
Procedure · Other
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 60 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Mayfield Heights, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Oct 25, 2026, 2:04 AM EDT
Completed No phase listed Observational

Translation Evaluation of Aging, Inflammation and HIV in Lung Function (TEAL)

NCT02154880
View directory record Official record
Conditions
HIV, COPD, Pulmonary Disease, Aging
Interventions
PFT, lab work, 6MWT, questionnaires
Procedure · Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 80 Years
Enrollment
323 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 25, 2026, 2:04 AM EDT
Completed Phase 4 Interventional Results available

Phase 4 COPD and Suboptimal Inspiratory Flow Rate

NCT05165485
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Revefenacin, Tiotropium, Revefenacin Placebo, Tiotropium Placebo
Drug
Lead sponsor
Theravance Biopharma
Industry
Eligibility
40 Years and older
Enrollment
404 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
76
States / cities
Jasper, Alabama • Phoenix, Arizona • Tucson, Arizona + 67 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2024 · Synced Oct 25, 2026, 2:04 AM EDT
Not yet recruiting Phase 1Phase 2 Interventional

Brain State-dependent PCMS in Chronic Stroke

NCT04830163
View directory record Official record
Conditions
Stroke
Interventions
Brain state-dependent paired corticomotoneuronal stimulation (PCMS)
Combination Product
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Dec 6, 2024 · Synced Oct 25, 2026, 2:04 AM EDT
Completed No phase listed Observational Results available

BRAIN, Symptoms, and Physical Activity in COPD

NCT04291131
View directory record Official record
Conditions
COPD, Chronic Musculoskeletal Pain
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years and older · Male only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 15, 2025 · Synced Oct 25, 2026, 2:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutritional and Functional Changes in Heart Failure and COPD

NCT01787682
View directory record Official record
Conditions
Chronic Heart Failure, Chronic Obstructive Pulmonary Disorder
Interventions
BOOST High Protein
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
20 Years and older
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Feb 7, 2022 · Synced Oct 25, 2026, 2:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Comparison of Alveolar Macrophages in Individuals With COPD Versus Smokers With Normal Pulmonary Function

NCT00281190
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Lung Diseases, Obstructive
Interventions
Blood drawing, Bronchoalveolar lavage during indicated bronchoscopy
Procedure
Lead sponsor
University of Michigan
Other
Eligibility
40 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 16, 2014 · Synced Oct 25, 2026, 2:04 AM EDT
Recruiting Not applicable Interventional

Neurocognitive and Health Impact of Sleep Apnea in Elderly Veterans With Comorbid COPD

NCT02703207
View directory record Official record
Conditions
Obstructive Sleep Apnea, OSA COPD Overlap Syndrome
Interventions
Positive airway pressure, NIPPV and /or oxygen
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years to 89 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 25, 2026, 2:04 AM EDT
Active, not recruiting Not applicable Interventional

The Allergen Reduction and Child Health Study (ARCHS)

NCT04331353
View directory record Official record
Conditions
Asthma in Children
Interventions
Comparator 1 (tailored approach), Comparator 2 (insecticidal bait)
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
5 Years to 17 Years
Enrollment
308 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 25, 2026, 2:04 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

: Vascular Function in Health and Disease

NCT02966665
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Pulmonary Artery Hypertension, Heart Failure, Hypertension
Interventions
Maximum Exercise Tests, BH4, L-NMMA, Vitamin C, Vitamin E, α-Lipoic Acid and L-Ascorbate, BQ-123, Fexofenadine, Ranitidine, Angiotensin-II, Valsartan, Acetylcholine, Sodium Nitroprusside, Angiotensin-II, Norepinephrine, Phentolamine, BQ-123, MitoQ, BH4
Other · Drug
Lead sponsor
D. Walter Wray
Other
Eligibility
18 Years and older
Enrollment
420 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2030
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 25, 2026, 2:04 AM EDT
Completed No phase listed Observational

Dietary Intake in Adults From the GA2LEN Folow-up Survey

NCT03251157
View directory record Official record
Conditions
Asthma, Lung Function Decreased, Food Allergy, Allergic Sensitisation, Allergic Rhinitis, COPD, Atopy
Interventions
Dietary intake of various nutrients, foods and biocompounds
Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
15 Years to 75 Years
Enrollment
3,500 participants
Timeline
2007 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 16, 2017 · Synced Oct 25, 2026, 2:04 AM EDT