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Showing 1–24 of 243 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Breath Shortness Clear all
Completed No phase listed Observational Results available

An Observational Outcomes Study for Autologous Cell Therapy Among Patients With COPD and Interstitial Lung Disease

NCT03040674
View directory record Official record
Conditions
COPD, Interstitial Lung Disease
Interventions
Cell therapy
Procedure
Lead sponsor
Lung Institute
Industry
Eligibility
16 Years and older
Enrollment
489 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 26, 2021 · Synced Jul 22, 2026, 6:53 AM EDT
Completed Not applicable Interventional Results available

HFNC Flow Titration and Effort of Breathing in the PICU

NCT02793674
View directory record Official record
Conditions
High Flow Nasal Cannula
Interventions
Fisher & Paykel high flow nasal cannula, Vapotherm high flow nasal cannula
Device
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
Up to 3 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 29, 2024 · Synced Jul 22, 2026, 6:53 AM EDT
Completed Phase 2 Interventional

The DIAMOND Study: Distensibility Improvement And Remodeling in Diastolic Heart Failure

NCT00043836
View directory record Official record
Conditions
Heart Failure, Congestive, Dyspnea, Pulmonary Edema
Interventions
ALT-711
Drug
Lead sponsor
Synvista Therapeutics, Inc
Industry
Eligibility
60 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
2
States / cities
Winston-Salem, North Carolina • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 1, 2009 · Synced Jul 22, 2026, 6:53 AM EDT
Completed Not applicable Interventional

Impact of Validated Diagnostic Prediction Model of Acute Heart Failure in the Emergency Department

NCT01193998
View directory record Official record
Conditions
Dyspnea, Acute Heart Failure, Shortness of Breath
Interventions
Treatment as per model probability, Treatment as per usual care
Other
Lead sponsor
Unity Health Toronto
Other
Eligibility
18 Years and older
Enrollment
186 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 15, 2014 · Synced Jul 22, 2026, 6:53 AM EDT
Terminated Phase 2 Interventional

Pemziviptadil (PB1046), a Long-acting, Sustained Release Human VIP Analogue, Intended to Provide Clinical Improvement to Hospitalized COVID-19 Patients at High Risk for Rapid Clinical Deterioration and Acute Respiratory Distress Syndrome (ARDS).

NCT04433546
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome, Coronavirus, Hypoxic Respiratory Failure, Hypoxemic Respiratory Failure, Respiratory Complication, Respiratory Insufficiency, Cardiac Dysfunction, Pneumonia, Pulmonary Edema, Pulmonary Inflammation, Respiratory Failure, Cytokine Storm, COVID 19, SARS-CoV-2, Cardiac Event, Cardiac Complication, Cardiac Failure, Cardiac Infarct
Interventions
Pemziviptadil (PB1046), Low Dose (10 mg) Control
Drug
Lead sponsor
PhaseBio Pharmaceuticals Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
4
States / cities
Jacksonville, Florida • Sarasota, Florida • Kansas City, Kansas + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2020 · Synced Jul 22, 2026, 6:53 AM EDT
Completed No phase listed Observational

Evaluation of ST2 and IL-33 in Patients Presenting to the Emergency Department With Trouble Breathing

NCT00707811
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Asthma, Pulmonary Embolism, Pneumonia, Congestive Heart Failure
Interventions
Not listed
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 19, 2024 · Synced Jul 22, 2026, 6:53 AM EDT
Completed Phase 2 Interventional

Study to Evaluate the Safety and Efficacy of IV Infusion Treatment With Omecamtiv Mecarbil in Subjects With Left Ventricular Systolic Dysfunction Hospitalized for Acute Heart Failure (ATOMIC-AHF)

NCT01300013
View directory record Official record
Conditions
Heart Failure
Interventions
Placebo, Omecamtiv mecarbil
Drug
Lead sponsor
Cytokinetics
Industry
Eligibility
18 Years to 85 Years
Enrollment
614 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
45
States / cities
Mobile, Alabama • Inglewood, California • La Jolla, California + 38 more
Source: ClinicalTrials.gov public record
Updated Jul 26, 2021 · Synced Jul 22, 2026, 6:53 AM EDT
Recruiting Not applicable Interventional

A Validation Study to Evaluate the Performance of Caption Health Lung Guidance and Interpretation

NCT05992324
View directory record Official record
Conditions
Shortness of Breath
Interventions
Caption LungAI
Device
Lead sponsor
Caption Health, Inc.
Industry
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
4
States / cities
New Haven, Connecticut • Chicago, Illinois • Greensboro, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 25, 2024 · Synced Jul 22, 2026, 6:53 AM EDT
Completed Not applicable Interventional Results available

The Role of Substance P on Perception of Breathlessness During Resistive Load Breathing

NCT01580423
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
aprepitant, placebo
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
50 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jul 18, 2013 · Synced Jul 22, 2026, 6:53 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Bronchodilator Effects and Safety of Glycopyrronium Bromide (25 ug and 50 ug o.d.) in Asthma

NCT03137784
View directory record Official record
Conditions
Asthma
Interventions
NVA237 (glycopyrronium bromide), Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
6
States / cities
North Dartmouth, Massachusetts • St Louis, Missouri • Skillman, New Jersey + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 15, 2019 · Synced Jul 22, 2026, 6:53 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Project 4A: Inspiratory Muscle Training and Diaphragm Strength

NCT02367170
View directory record Official record
Conditions
Sepsis
Interventions
Bilateral phrenic nerve stimulation and measurement of transdiaphragmatic pressure, Midazolam, Volitional Measurement of Maximal Inspiratory Pressure (MIP), Inspiratory Muscle Strength Training (IMST), SHAM Inspiratory Muscle Strength Training (IMST), Diaphragm thickness measurement, Blood and Urine samples
Procedure · Drug · Device + 1 more
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 6, 2018 · Synced Jul 22, 2026, 6:53 AM EDT
Completed No phase listed Observational

Lung Injury Prediction Study

NCT00889772
View directory record Official record
Conditions
Respiratory Distress, Acute Lung Injury
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 23, 2015 · Synced Jul 22, 2026, 6:53 AM EDT
Active, not recruiting Not applicable Interventional

Breathlessness Relieved by Employing Medical Air to be Titrated by Hospitalized Patients to Improve Inpatient Experience

NCT05416437
View directory record Official record
Conditions
Dyspnea
Interventions
PneumoCool, Current supportive measures that are used in the hospital for standard of care
Device · Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 110 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Jul 22, 2026, 6:53 AM EDT
Completed No phase listed Observational

Stellate Ganglion Block to Treat Long COVID 19 Case Series

NCT05812209
View directory record Official record
Conditions
Long COVID, Long Covid19, Post-COVID-19 Syndrome, Post Acute COVID-19 Syndrome, Dysautonomia, Anosmia, Dysgeusia, Brain Fog, Muscle Pain, Shortness of Breath, Dizziness, Fatigue Post Viral, Cough, Menstrual Cycle Abnormal, Pain
Interventions
Stellate Ganglion Block
Procedure
Lead sponsor
Metamorphosis LTD
Other
Eligibility
Not listed
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Cañon City, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced Jul 22, 2026, 6:53 AM EDT
Terminated Early Phase 1 Interventional Results available

Post-Acute Sequelae of Coronavirus-19 (COVID-19) With Dyspnea on Exertion And Associated TaChycardia TrEatment Study

NCT05096884
View directory record Official record
Conditions
Tachycardia, Dyspnea, COVID-19
Interventions
Metoprolol Succinate
Drug
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years to 40 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 2, 2024 · Synced Jul 22, 2026, 6:53 AM EDT
Completed No phase listed Observational

Prehospital Use of Ultrasound in Undifferentiated Shortness of Breath

NCT02638649
View directory record Official record
Conditions
Pneumonia, Pulmonary Edema, Dyspnea
Interventions
Lung ultrasound, ultrasound
Procedure · Device
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 22, 2020 · Synced Jul 22, 2026, 6:53 AM EDT
Completed Not applicable Interventional

Use of Wii Home Computer in Patients With Chronic Obstructive Pulmonary Disease: Effects on Quality of Life

NCT01539421
View directory record Official record
Conditions
COPD
Interventions
Use of Home exercise computer program
Behavioral
Lead sponsor
Trinity Health Of New England
Other
Eligibility
40 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 27, 2012 · Synced Jul 22, 2026, 6:53 AM EDT
Completed No phase listed Observational

Prospective Validation of Cough, Dyspnea, and Quality of Life Questionnaires in Patients With IPF

NCT01874223
View directory record Official record
Conditions
Interstitial Lung Disease, Idiopathic Pulmonary Fibrosis
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 28, 2022 · Synced Jul 22, 2026, 6:53 AM EDT
Completed Phase 4 Interventional Results available

Validation of a New Shortness of Breath With Daily Activities Questionnaire in Patients With Chronic Obstructive Pulmonary Disease

NCT00984659
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Fluticasone propionate/salmeterol combination product, Salmeterol, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years and older
Enrollment
366 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
39
States / cities
Jasper, Alabama • Mobile, Alabama • Los Angeles, California + 35 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2018 · Synced Jul 22, 2026, 6:53 AM EDT
Completed No phase listed Observational Results available

Airway Limitation Study: Study In Primary Care Centers Of Chronic Bronchitis In Long-Term Cigarette Smokers Of At Least 40 Years Of Age With Symptoms Of Cough And Shortness Of Breath

NCT00442468
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Non-interventional study.
Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years and older
Enrollment
1,283 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
47
States / cities
Highlands Ranch, Colorado • Wheat Ridge, Colorado • Clearwater, Florida + 43 more
Source: ClinicalTrials.gov public record
Updated Jan 9, 2013 · Synced Jul 22, 2026, 6:53 AM EDT
Completed Phase 2 Interventional

Nurse Managed Sequential Strength Training and Bicycle Training in Chronic Obstructive Pulmonary Disease (COPD)

NCT01058213
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Resistance training, Aerobic training
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
46 Years and older
Enrollment
354 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 17, 2013 · Synced Jul 22, 2026, 6:53 AM EDT
Completed Phase 4 Interventional

Impact of Nesiritide Infusion for Decompensated Heart Failure in the Emergency Department

NCT00559338
View directory record Official record
Conditions
Heart Failure, Congestive, Cardiomyopathy
Interventions
recombinant B-type, natriuretic peptide, placebo
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 15, 2007 · Synced Jul 22, 2026, 6:53 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

129Xe MRI Cardiopulmonary

NCT06038630
View directory record Official record
Conditions
Interstitial Lung Disease, Chronic Thromboembolic Pulmonary Hypertension, Acute Pulmonary Embolism, Anemia, Polycythemia, Dyspnea
Interventions
Hyperpolarized Xe129, Oxygen Administration
Drug · Other
Lead sponsor
Bastiaan Driehuys
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Jul 22, 2026, 6:53 AM EDT
Completed No phase listed Observational

Diagnostic Potential of UCHL1 in Acute Decompensated Heart Failure

NCT04999995
View directory record Official record
Conditions
Heart Failure, Dyspnea; Cardiac
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Jul 22, 2026, 6:53 AM EDT