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Showing 1–24 of 844 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers Results available

Airway and Pulmonary Vascular Endothelial Function in Healthy Smokers: Effect of Inhaled Glucocorticosteroid Treatment

NCT02141633
View directory record Official record
Conditions
Smoking
Interventions
echocardiogram plus albuterol, airway blood flow plus albuterol, Fluticasone propionate, placebo
Procedure · Drug
Lead sponsor
University of Miami
Other
Eligibility
25 Years to 75 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 15, 2016 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Phase 2 Interventional Results available

Evaluation of Dupilumab's Effects on Airway Inflammation in Patients With Asthma

NCT02573233
View directory record Official record
Conditions
Asthma
Interventions
Placebo, Dupilumab SAR231893/REGN668, fluticasone propionate and salmeterol, budesonide and formoterol, mometasone furoate and formoterol
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 65 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
6
States / cities
Tucson, Arizona • Denver, Colorado • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2022 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Phase 3 Interventional

Investigation of Potential Additive Inhibitory Effects on HPA-Axis of Ciclesonide Nasal Spray When Administered Concomitantly With Orally Inhaled Beclomethasone Dipropionate (HFA-BDP) in Patients With Perennial Allergic Rhinitis (PAR) (BY9010/M1-408)

NCT00659048
View directory record Official record
Conditions
Rhinitis, Allergic, Perennial
Interventions
Ciclesonide, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 60 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 30, 2016 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Phase 2 Interventional

Dose-Ranging Study of A006 DPI, in Adult Asthma Patients

NCT01174732
View directory record Official record
Conditions
Asthma, Bronchospasm
Interventions
albuterol inhalation powder, Placebo, albuterol inhalation aerosol
Drug
Lead sponsor
Amphastar Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
4
States / cities
San Jose, California • Centennial, Colorado • Denver, Colorado + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 18, 2017 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Understanding the Pathophysiology and Effects of Diaphragmatic Breathing in Upright Gastroesophageal Reflux

NCT02972047
View directory record Official record
Conditions
GERD
Interventions
Diaphragmatic Breathing, Sham Comparator
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 3, 2020 · Synced Sep 11, 2026, 3:57 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

NMDA Receptor Antagonist Nitrous Oxide Targets Affective Brain Circuits

NCT02994433
View directory record Official record
Conditions
Depressive Disorder, Major, Depressive Disorder, Treatment-Resistant
Interventions
Nitrous Oxide, Placebo gas, MRI
Drug · Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Phase 3 Interventional Results available

A Study to Compare the Efficacy and Safety of Umeclidinium/Vilanterol With Fluticasone Propionate/Salmeterol in Subjects With Chronic Obstructive Pulmonary Disease (COPD)

NCT01879410
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
UMEC/VI Inhalation Powder 62.5/25 mcg via NDPI, FSC Inhalation Powder 250/50 mcg via ACCUHALER/DISKUS, Placebo DISKUS, Placebo NDPI
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
15
States / cities
Tucson, Arizona • Newport Beach, California • Riverside, California + 12 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2017 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reinforcing Effects of Brief Exposures to Nitrous Oxide - 8

NCT00000256
View directory record Official record
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
20% N2O, 40% N2O, 60% N2O, 80% N2O
Drug
Lead sponsor
University of Chicago
Other
Eligibility
22 Years to 34 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1995 – 1996
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Cough and Swallow Rehab Following Stroke

NCT01907321
View directory record Official record
Conditions
Ischemic Stroke
Interventions
Expiratory muscle strength training, Placebo expiratory training, Measures performed on all subjects, Pulmonary function test, Fluoroscopic swallow study
Behavioral · Drug · Radiation
Lead sponsor
University of Florida
Other
Eligibility
50 Years to 85 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
Gainesville, Florida • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 26, 2017 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Phase 2 Interventional Results available

Efficacy, Safety and Pharmacokinetics of Different Regimens of Indacaterol

NCT01156844
View directory record Official record
Conditions
Persistent Asthma
Interventions
Indacaterol, Placebo to Indacaterol
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
21
States / cities
Anniston, Alabama • Cypress, California • Fresno, California + 16 more
Source: ClinicalTrials.gov public record
Updated Aug 16, 2011 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Phase 1 Interventional Results available

Clinical Efficacy Study of Salmeterol Xinafoate/Fluticasone Propionate in Asthma

NCT02260492
View directory record Official record
Conditions
Asthma
Interventions
OT329 (combination of fluticasone propionate and salmeterol xinafoate), Advair Diskus (combination of fluticasone propionate and salmeterol xinafoate), Placebo
Drug
Lead sponsor
Oriel Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
879 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
47
States / cities
Goodyear, Arizona • Tempe, Arizona • Anaheim, California + 40 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2017 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Phase 3 Interventional Results available

Chronic-Dose Safety and Efficacy Study of Albuterol-HFA-BAI in Pediatric Asthmatics

NCT00308685
View directory record Official record
Conditions
Asthma
Interventions
Albuterol, Placebo
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
4 Years to 11 Years
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
14
States / cities
Little Rock, Arkansas • Huntington Beach, California • San Jose, California + 11 more
Source: ClinicalTrials.gov public record
Updated Mar 31, 2022 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Phase 3 Interventional Results available

A Study to Determine the Effect of Tiotropium + Olodaterol Fixed Dose Combination on Exercise Endurance Time During Constant Work Rate Cycle Ergometry Test in COPD

NCT01525615
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Respimat inhaler, tiotropium+olodaterol (low dose), tiotropium + olodaterol (high dose), placebo to tiotropium+olodaterol
Device · Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years to 75 Years
Enrollment
404 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
15
States / cities
Torrance, California • Hartford, Connecticut • Springfield, Illinois + 12 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2016 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Staccato Loxapine in Migraine (in Clinic)

NCT00489476
View directory record Official record
Conditions
Migraine
Interventions
Staccato Loxapine, Staccato Placebo
Drug
Lead sponsor
Alexza Pharmaceuticals, Inc.
Other
Eligibility
18 Years to 65 Years
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Wellesley Hills, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 5, 2017 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Phase 3 Interventional

A Study of Lebrikizumab in Participants With Uncontrolled Asthma on Inhaled Corticosteroids and a Second Controller Medication

NCT01868061
View directory record Official record
Conditions
Asthma
Interventions
Lebrikizumab, Placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 75 Years
Enrollment
1,068 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
66
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Tucson, Arizona + 54 more
Source: ClinicalTrials.gov public record
Updated May 18, 2017 · Synced Sep 11, 2026, 3:57 PM EDT
Withdrawn Phase 2 Interventional

Safety and Tolerability Study of Inhaled Carbon Monoxide in Kidney Transplant Patients

NCT00531856
View directory record Official record
Conditions
Kidney Transplantation
Interventions
Inhaled Carbon Monoxide
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
3
States / cities
San Francisco, California • Chicago, Illinois • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 18, 2016 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Phase 4 Interventional Results available

A Comparative Study Between Fluticasone Furoate/Umeclidinium/Vilanterol (FF/UMEC/VI) Single Inhaler Triple Therapy Versus Tiotropium Monotherapy in Subjects With Chronic Obstructive Pulmonary Disease (COPD)

NCT03474081
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
FF/UMEC/VI, Tiotropium, Albuterol/salbutamol, Placebo to match FF/UMEC/VI, Placebo to match tiotropium, ELLIPTA inhaler, HANDIHALER, MDI
Drug · Device
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
33
States / cities
Andalusia, Alabama • Huntington Beach, California • Sacramento, California + 29 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2021 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Phase 3 Interventional Results available

Pharmacodynamic Bioequivalence of Metered Dose Inhalers of Albuterol Sulfate in Patients With Stable Mild Asthma

NCT02584257
View directory record Official record
Conditions
Mild Persistent Asthma
Interventions
methacholine chloride, placebo ProAir HFA, ProAir HFA, Lupin albuterol HFA MDI, placebo Lupin albuterol HFA MDI
Other · Drug
Lead sponsor
Lupin, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
17
States / cities
Huntington Beach, California • Mission Viejo, California • Rolling Hills Estates, California + 14 more
Source: ClinicalTrials.gov public record
Updated Dec 3, 2020 · Synced Sep 11, 2026, 3:57 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Brain Mechanisms Supporting Cannabis-induced Pain Relief

NCT04982965
View directory record Official record
Conditions
Sciatica, Lumbar Radiculopathy, Lower Back Pain, Degenerative Disc Disease, Chronic Low-back Pain (cLBP), Chronic Low Back and Leg Pain, Back Pain
Interventions
Active Cannabis, Placebo Cannabis
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Ph 1/2 Study Evaluating Safety and Tolerability of Inhaled AP-PA02 in Subjects With Chronic Pseudomonas Aeruginosa Lung Infections and Cystic Fibrosis

NCT04596319
View directory record Official record
Conditions
Cystic Fibrosis, Pseudomonas Aeruginosa, Pseudomonas, Lung Infection, Lung Infection Pseudomonal
Interventions
AP-PA02, Placebo
Biological · Other
Lead sponsor
Armata Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
20
States / cities
Los Angeles, California • Tampa, Florida • Boise, Idaho + 16 more
Source: ClinicalTrials.gov public record
Updated Jan 30, 2024 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Phase 3 Interventional

Study of Denufosol Tetrasodium Inhalation Solution in Patients With Cystic Fibrosis (CF) Lung Disease

NCT00625612
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Denufosol Tetrasodium (INS37217) Inhalation Solution, Placebo
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
5 Years and older
Enrollment
466 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
82
States / cities
Birmingham, Alabama • Anchorage, Alaska • Phoenix, Arizona + 72 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2015 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Phase 4 Interventional Results available

A Study to Test the Combination of Tiotropium and Olodaterol Using the Respimat® Inhaler in People With Chronic Obstructive Pulmonary Disease (COPD) Who Have Different Abilities to Inhale

NCT04223843
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Tiotropium + olodaterol, Placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
213 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
21
States / cities
Andalusia, Alabama • Jasper, Alabama • Brandon, Florida + 18 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2021 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability, and PK of Escalating Doses of Flufirvitide-3 Dry Powder for Inhalation in Healthy Subjects

NCT01990846
View directory record Official record
Conditions
Influenza
Interventions
Flufirvitide 3, Placebo for Flufirvitide-3
Drug
Lead sponsor
Autoimmune Technologies, LLC
Industry
Eligibility
18 Years to 50 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Spartanburg, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 10, 2015 · Synced Sep 11, 2026, 3:57 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Aclidinium Bromide for Treatment of Moderate to Severe Chronic Obstructive Pulmonary Disease (COPD) (LAS-MD-33)

NCT00891462
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Aclidinium bromide, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
40 Years and older
Enrollment
561 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
104
States / cities
Birmingham, Alabama • Jasper, Alabama • Mobile, Alabama + 90 more
Source: ClinicalTrials.gov public record
Updated Jan 5, 2017 · Synced Sep 11, 2026, 3:57 PM EDT