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Showing 1–24 of 1,767 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 13, 2026, 9:06 AM EDT
Completed Not applicable Interventional Results available

Support for Perinatal Adherence and Depression

NCT03069417
View directory record Official record
Conditions
Human Immunodeficiency Virus, Depression
Interventions
Integrating Nuanced Support for Perinatal adherence and Depression
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 13, 2021 · Synced Sep 13, 2026, 9:06 AM 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 13, 2026, 9:06 AM EDT
Completed Phase 4 Interventional Results available

Assessment In a Real World Setting of the Effect of Inhaled Steroid-based Triple Therapy Versus the Combination of Tiotropium and Olodaterol on Reducing Chronic Obstructive Pulmonary Disease (COPD) Exacerbations [AIRWISE]

NCT03265145
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Stiolto Respimat, ICS (Inhaled Corticosteroid) (Triple therapy), LABA (Long-Acting Beta Agonist) (Triple therapy), LAMA (Long-Acting Muscarinic Antagonist) (Triple therapy)
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
714 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
90
States / cities
Mobile, Alabama • Montgomery, Alabama • Tucson, Arizona + 84 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2022 · Synced Sep 13, 2026, 9:06 AM 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 13, 2026, 9:06 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Relationship Between Use of Albuterol Multidose Dry Powder Inhaler With an eModule (eMDPI) and Exacerbations in Participants With Asthma

NCT02969408
View directory record Official record
Conditions
Asthma
Interventions
Albuterol Sulfate
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
18 Years and older
Enrollment
397 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
44
States / cities
Litchfield Park, Arizona • Bakersfield, California • Los Angeles, California + 37 more
Source: ClinicalTrials.gov public record
Updated Nov 8, 2021 · Synced Sep 13, 2026, 9:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tension Tamer Randomized Control Trial

NCT03168789
View directory record Official record
Conditions
Pre-hypertension
Interventions
Tension Tamer (TT), Lifestyle education program (SPCTL)
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 90 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced Sep 13, 2026, 9:06 AM 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 13, 2026, 9:06 AM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy Study of Inhaled Carbon Monoxide to Treat Acute Respiratory Distress Syndrome (ARDS)

NCT03799874
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome
Interventions
Inhaled Carbon Monoxide at 200 ppm, Inhaled Medical air
Drug · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
7
States / cities
Boston, Massachusetts • St Louis, Missouri • Brooklyn, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 13, 2026, 9:06 AM EDT
Terminated Phase 2 Interventional

Hospital-Based Program for Treatment of Severe Cardiopulmonary Disease With Inhaled Nitric Oxide

NCT00041574
View directory record Official record
Conditions
Pulmonary Hypertension, Lung Disease, Sickle Cell Disease, Cardiac Transplant, Lung Transplant
Interventions
Inhaled Nitric Oxide
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
5 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
3
States / cities
Denver, Colorado • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 8, 2016 · Synced Sep 13, 2026, 9:06 AM EDT
Terminated No phase listed Observational

Evaluation of Inhaled Antibiotics on Bacterial Diversity and Richness in the Cystic Fibrosis Lung

NCT02113397
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
TOBI™ Podhaler™ 112 mg inhaled twice daily, Colistimethate 75 mg inhaled two times daily
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
12 Years to 75 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Mar 11, 2018 · Synced Sep 13, 2026, 9:06 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cardiovascular Effects of Incremental Diesel Exhaust Inhalation in Middle-Aged Healthy GSTM1 Null Human Volunteers

NCT01548625
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
Environmental Protection Agency (EPA)
Federal
Eligibility
50 Years to 75 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 2, 2025 · Synced Sep 13, 2026, 9:06 AM EDT
Completed No phase listed Observational Results available

A Multi-Center Study to Assess the Performance of Saturation Patterns.

NCT00775346
View directory record Official record
Conditions
Sleep-Disordered Breathing, Obstructive Sleep Apnea, Sleep Apnea, Central Sleep Apnea
Interventions
Not listed
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
3
States / cities
Broomfield, Colorado • Maplewood, Missouri • West Seneca, New York
Source: ClinicalTrials.gov public record
Updated Aug 6, 2014 · Synced Sep 13, 2026, 9:06 AM EDT
Recruiting Not applicable Interventional

Hypoxia Pathways for Early Recovery After Spinal Cord Injury

NCT07002437
View directory record Official record
Conditions
Spinal Cord Injuries (SCI)
Interventions
Augmented Acute Intermittent Hypoxia (aAIH), Acute Intermittent Hypercapnic-Hypoxia (AIHH), Sham AIH
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 70 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Sep 13, 2026, 9:06 AM EDT
Completed No phase listed Observational Results available

Study of Incidence of Respiratory Tract AEs in Patients Treated With Tyvaso® Compared to Other FDA Approved PAH Therapies

NCT01266265
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
inhaled prostacyclin, prostacyclin, subcutaneous and intravenous prostacyclin, oral ERA, oral PDE5 inhibitors
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
Not listed
Enrollment
1,333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
88
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 65 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2016 · Synced Sep 13, 2026, 9:06 AM EDT
Completed Not applicable Interventional

Saline Hypertonic in Preschoolers

NCT02378467
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
7% Hypertonic Saline (HS), 0.9% Isotonic Saline (IS)
Drug
Lead sponsor
University of Washington, the Collaborative Health Studies Coordinating Center
Other
Eligibility
3 Years to 5 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
23
States / cities
Birmingham, Alabama • Palo Alto, California • Aurora, Colorado + 20 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced Sep 13, 2026, 9:06 AM EDT
Completed Not applicable Interventional

Device-guided Breathing for Shortness of Breath in COPD

NCT01286181
View directory record Official record
Conditions
COPD, Dyspnea, Hyperinflation
Interventions
Twice daily practice of device-guided slow breathing.
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 3, 2013 · Synced Sep 13, 2026, 9:06 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

The Role of Breathing Perception in Respiratory Control

NCT07470099
View directory record Official record
Conditions
Work of Breathing
Interventions
Ambient Noise, Increased Auditory Feedback, Noise Distraction
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 40 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2028
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Sep 13, 2026, 9:06 AM EDT
Completed Not applicable Interventional Results available

Novel Respiratory Training as Part of Palliative Care for Older Adults With Heart Failure

NCT06576297
View directory record Official record
Conditions
Aging, Heart Failure With Preserved Ejection Fraction, Heart Failure With Reduced Ejection Fraction, Frailty, Physical Function, Quality of Life
Interventions
Inspiratory Muscle Training (IMT), Standard of Care
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
70 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 13, 2026, 9:06 AM EDT
Completed Not applicable Interventional

Environmental Intervention Versus Standard Care to Reduce Pharmacologic Therapy for Asthma

NCT01593111
View directory record Official record
Conditions
Asthma
Interventions
Environmental Intervention
Other
Lead sponsor
Columbia University
Other
Eligibility
6 Years and older
Enrollment
243 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
2
States / cities
New York, New York • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Feb 3, 2022 · Synced Sep 13, 2026, 9:06 AM EDT
Completed Not applicable Interventional Results available

Impact of Exenatide on Sleep in Type 2 Diabetes

NCT01136798
View directory record Official record
Conditions
Type 2 Diabetes, Sleep Disordered Breathing
Interventions
Exenatide, Placebo
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 11, 2018 · Synced Sep 13, 2026, 9:06 AM 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 13, 2026, 9:06 AM 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 13, 2008 · Synced Sep 13, 2026, 9:06 AM EDT
Not listed No phase listed Observational

The Effect of Bethanechol on Tracheobronchomalacia

NCT05299008
View directory record Official record
Conditions
Tracheobronchomalacia
Interventions
Bethanechol
Drug
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jan 29, 2024 · Synced Sep 13, 2026, 9:06 AM EDT