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Showing 1–24 of 161 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Breathing Exercises Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Targeting Breathing Limitations to Improve Functional Outcomes in HFpEF

NCT05723679
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction, Obesity
Interventions
HeO2 gas mixture, Room air gas mixture
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
55 Years to 90 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2029
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Sep 5, 2026, 4:28 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Real World Assessment of Resistance Breathing Device

NCT07187349
View directory record Official record
Conditions
Stress, Breathing Exercise, Stress Management
Interventions
Not listed
Lead sponsor
Livotion, LLC
Industry
Eligibility
18 Years to 30 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 5, 2026, 4:28 PM EDT
Completed Phase 2 Interventional

Inhaled Iloprost in Adults With Abnormal Pulmonary Pressure and Associated With Idiopathic Pulmonary Fibrosis

NCT00109681
View directory record Official record
Conditions
Pulmonary Fibrosis, Pulmonary Hypertension
Interventions
Iloprost Inhalation Solution (Ventavis)
Drug
Lead sponsor
Actelion
Industry
Eligibility
40 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
17
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 14 more
Source: ClinicalTrials.gov public record
Updated Feb 14, 2010 · Synced Sep 5, 2026, 4:28 PM EDT
Completed Not applicable Interventional

Inspiratory Muscle Training and Behavioral Support to Alleviate Dyspnea and Promote Walking in Lung Cancer Survivors: A Pilot Study

NCT05059132
View directory record Official record
Conditions
Lung Neoplasm
Interventions
Tele-rehabilitation, Education only
Behavioral · Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 12, 2023 · Synced Sep 5, 2026, 4:28 PM EDT
Completed Phase 2 Interventional Results available

Vardenafil Inhaled for Pulmonary Arterial Hypertension PRN Phase 2B Study

NCT04266197
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Drug: RT234 - vardenafil inhalation powder; Device: Axially Oscillating Sphere dry powder inhaler (AOS DPI)
Combination Product
Lead sponsor
Respira Therapeutics, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
26
States / cities
Birmingham, Alabama • Tucson, Arizona • Los Angeles, California + 22 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 5, 2026, 4:28 PM EDT
Completed Phase 4 Interventional Results available

Fluticasone Propionate/Salmeterol Combination 250/50 DISKUS in the Exercise Endurance Time in Patients With Chronic Obstructive Pulmonary Disease

NCT01124422
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
fluticasone propionate/salmeterol inhalation powder DISKUS 250/50, tiotropium bromide inhalation powder HandiHaler
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years and older
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
18
States / cities
Birmingham, Alabama • Phoenix, Arizona • Torrance, California + 15 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2017 · Synced Sep 5, 2026, 4:28 PM EDT
Terminated Not applicable Interventional

A Pilot Study To Assess Guidance in and Subsequent Use of Mind-Body Techniques on the Quality of Life of Cancer Patients

NCT01586546
View directory record Official record
Conditions
Quality of Life, Life Change Events, Neoplasms
Interventions
Face-to-Face MBM Skills Group, Waitlist Control I, Waitlist Control II, Online MBM Skills Group
Behavioral · Other
Lead sponsor
Absenger Cancer Education Foundation
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Spring Lake, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 4, 2019 · Synced Sep 5, 2026, 4:28 PM EDT
Terminated Not applicable Interventional Results available

Obstructive Sleep Apnea Treatment to Improve Cardiac Rehabilitation

NCT02005445
View directory record Official record
Conditions
Obstructive Sleep Apnea, Coronary Heart Disease
Interventions
CPAP, HLSE
Device · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 4, 2019 · Synced Sep 5, 2026, 4:28 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Breakthrough Dyspnea Fentanyl Study in Cancer Patients

NCT01515566
View directory record Official record
Conditions
Advanced Cancers, Dyspnea
Interventions
Fentanyl, Placebo, Walking Tests, Questionnaires
Drug · Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 21, 2014 · Synced Sep 5, 2026, 4:28 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Drug Combination on Exercise Performance at High Altitude

NCT01902758
View directory record Official record
Conditions
Acute Mountain Sickness
Interventions
ambrisentan and theophylline, placebo
Drug
Lead sponsor
University of Montana
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Missoula, Montana
Source: ClinicalTrials.gov public record
Updated Feb 25, 2016 · Synced Sep 5, 2026, 4:28 PM EDT
Completed Not applicable Interventional Results available

Respiratory Muscle Training (RMT) in ALS

NCT04224961
View directory record Official record
Conditions
ALS
Interventions
Respiratory Muscle Training
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Sep 5, 2026, 4:28 PM EDT
Completed Not applicable Interventional Results available

Pragmatic Obstructive Sleep Apnea Weight Loss Trial Assessing Effectiveness and Reach

NCT05104450
View directory record Official record
Conditions
Obesity, Sleep Apnea, Obstructive
Interventions
lifestyle intervention
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
696 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 5, 2026, 4:28 PM EDT
Terminated Phase 2 Interventional Results available

Effects of Ventavis in Patients With Pulmonary Hypertension (PH) Secondary to Chronic Obstructive Pulmonary Disease (COPD)

NCT01437878
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Pulmonary Hypertension
Interventions
Iloprost, Placebo
Drug
Lead sponsor
Actelion
Industry
Eligibility
40 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
9
States / cities
Torrance, California • Jacksonville, Florida • Chicago, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 19, 2015 · Synced Sep 5, 2026, 4:28 PM EDT
Completed Phase 2 Interventional

Nitric Oxide Inhalation Therapy to Relieve Chest Pain in Patients With Coronary Artery Disease

NCT00014040
View directory record Official record
Conditions
Coronary Disease, Myocardial Ischemia
Interventions
Nitric Oxide and INOpulse Delivery System
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 5, 2026, 4:28 PM EDT
Terminated Phase 2 Interventional Results available

Acute Effects of Inhaled Treprostinil in Fontan Patients

NCT02769624
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
Treprostinil, Placebo
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 28, 2020 · Synced Sep 5, 2026, 4:28 PM EDT
Not listed Not applicable Interventional

Impact of Customized Respiratory Training on Cardiopulmonary Function in Parkison's Disease

NCT05287243
View directory record Official record
Conditions
Parkinson Disease
Interventions
inspiratory muscle training
Other
Lead sponsor
University of St. Augustine for Health Sciences
Other
Eligibility
30 Years to 99 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 8, 2023 · Synced Sep 5, 2026, 4:28 PM EDT
Completed Phase 3 Interventional Results available

Effect on Exercise Endurance and Lung Hyperinflation of Tiotropium + Olodaterol in COPD Patients.

NCT01533935
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Placebo, tiotropium + Olodaterol, Tiotropium, Olodaterol, Respimat
Drug · Device
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years to 75 Years
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
11
States / cities
Phoenix, Arizona • Austell, Georgia • Baltimore, Maryland + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2015 · Synced Sep 5, 2026, 4:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparing Nose & Mouth Breathing During Exercise

NCT05702047
View directory record Official record
Conditions
Healthy
Interventions
Nose-only breathing, Mouth-only breathing
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 30 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Nov 14, 2024 · Synced Sep 5, 2026, 4:28 PM EDT
Completed Not applicable Interventional

Airway Muscle Training for Obstructive Sleep Apnea

NCT02259660
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Respiratory muscle strength training, Sham respiratory muscle strength training
Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 80 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 10, 2018 · Synced Sep 5, 2026, 4:28 PM EDT
Completed Not applicable Interventional

Breath Training Exercise for the Reduction of Chronic Dyspnea

NCT01831388
View directory record Official record
Conditions
Chronic Pulmonary Disorder
Interventions
breathing techniques, Self-Administered Baseline and Transition Dyspnea Indexes
Other · Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
19 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced Sep 5, 2026, 4:28 PM EDT
Completed Phase 4 Interventional Results available

Oxygen Versus PAP for Sleep Apnea in Heart Failure

NCT01807897
View directory record Official record
Conditions
Heart Failure, Sleep Apnea Syndromes
Interventions
Continuous positive airway pressure, Nocturnal supplemental oxygen, Healthy Lifestyle and Sleep Education
Device · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
2
States / cities
West Haven, Connecticut • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 24, 2023 · Synced Sep 5, 2026, 4:28 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of an H1 Receptor Antagonist on Exercise Performance in Hypoxia

NCT03192488
View directory record Official record
Conditions
Hypoxia, Altitude
Interventions
Cetirizine, Placebo oral capsule, Hypoxia
Drug · Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 35 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 15, 2020 · Synced Sep 5, 2026, 4:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Oxygen Transport in Normobaric vs. Hypobaric Hypoxia

NCT03335917
View directory record Official record
Conditions
Hypoxia, Altitude, Exercise
Interventions
Hypoxia, Exercise
Other
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 45 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 28, 2023 · Synced Sep 5, 2026, 4:28 PM EDT
Completed Not applicable Interventional

Diaphragm Structure and Function in Childhood Cancer Survivors

NCT06205251
View directory record Official record
Conditions
Childhood Cancer, Cancer Survivors
Interventions
POWERbreathe Plus IMT
Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
6 Years to 12 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Sep 5, 2026, 4:28 PM EDT