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ClinicalTrials.gov public records Last synced Sep 8, 2026, 2:48 AM EDT

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Showing 1–24 of 811 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Breathing Test Clear all
Completed Phase 3 Interventional Results available

Multi-Center Study to Assess the Efficacy and Safety of PT003, PT005, and PT001 in Subjects With Moderate to Very Severe COPD (PINNACLE 2)

NCT01854658
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
GFF MDI (PT003), GP MDI (PT001), FF MDI (PT005), Placebo
Drug
Lead sponsor
Pearl Therapeutics, Inc.
Industry
Eligibility
40 Years to 80 Years
Enrollment
1,615 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
113
States / cities
Birmingham, Alabama • Florence, Alabama • Jasper, Alabama + 110 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2017 · Synced Sep 8, 2026, 2:48 AM EDT
Terminated Not applicable Interventional Results available

Electronic Nose Identification of Fasting and Non-fasting Breath Profiles

NCT02419976
View directory record Official record
Conditions
Fasting
Interventions
a breath analysis using the Aeonose, Aeonose
Other · Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
879 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Sep 8, 2026, 2:48 AM EDT
Completed Phase 4 Interventional Results available

Preterm Infant Inhaled Albuterol Dosing

NCT02447250
View directory record Official record
Conditions
Bronchopulmonary Dysplasia, Very Low Birth Weight
Interventions
Varied albuterol dose response
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
14 Days and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 22, 2019 · Synced Sep 8, 2026, 2:48 AM EDT
Completed No phase listed Observational

Cardiopulmonary Exercise Testing in Cirrhotic Patients: a Pilot Study

NCT01658982
View directory record Official record
Conditions
End Stage Liver Disease
Interventions
cardiopulmonary exercise testing
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 1, 2013 · Synced Sep 8, 2026, 2:48 AM EDT
Completed No phase listed Observational Results available

Pilot Study Assessing Oxidative Stress in Children

NCT01052207
View directory record Official record
Conditions
Adrenal Insufficiency, Critical Illness
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
1 Day to 18 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 3, 2015 · Synced Sep 8, 2026, 2:48 AM EDT
Completed Phase 2 Interventional

Phase 2 Study to Evaluate the Preliminary Performance of the C13-URA Breath Test Kit in Dyspeptic Subjects

NCT01677338
View directory record Official record
Conditions
Dyspeptic Subjects
Interventions
13C-uracil, 99mTc sulfur colloid
Drug
Lead sponsor
Otsuka Pharmaceutical Co., Ltd.
Industry
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
2
States / cities
Orlando, Florida • Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Apr 7, 2019 · Synced Sep 8, 2026, 2:48 AM EDT
Withdrawn Phase 4 Interventional

Evaluation of Sildenafil for the Treatment of Moderate Congestive Heart Failure

NCT00793338
View directory record Official record
Conditions
Heart Failure
Interventions
Sildenafil
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jun 25, 2023 · Synced Sep 8, 2026, 2:48 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Identification of Breast Cancer in Breath Samples Using Trained Detection Dogs

NCT07038785
View directory record Official record
Conditions
Breast Cancer
Interventions
Breath test
Diagnostic Test
Lead sponsor
SpotitEarly
Industry
Eligibility
18 Years and older · Female only
Enrollment
1,204 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Totowa, New Jersey • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 8, 2026, 2:48 AM EDT
Terminated Not applicable Interventional

Effects of Chemoradiation and Surgery on Cardiopulmonary Fitness and Tumor Neoplastic Phenotype in Gastrointestinal Malignancies

NCT02235441
View directory record Official record
Conditions
Pathologically Proven Gastrointestinal Malignancy, Plan of Care Must Include Chemoradiation
Interventions
Cardiopulmonary Exercise Test (CPET)
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 10, 2017 · Synced Sep 8, 2026, 2:48 AM EDT
Completed Not applicable Interventional Results available

Machines Assisting Recovery From Stroke

NCT02787694
View directory record Official record
Conditions
Cerebrovascular Disease; Sequelae
Interventions
Factor Targeted Walking Training, treadmill
Other · Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 1, 2019 · Synced Sep 8, 2026, 2:48 AM EDT
Completed Not applicable Interventional

Use of Rainbow Acoustic Monitoring in Pediatric Patients - A Clinical Engineering Data Collection Protocol

NCT03128827
View directory record Official record
Conditions
Surgery
Interventions
RAM sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
Up to 18 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 21, 2018 · Synced Sep 8, 2026, 2:48 AM EDT
Recruiting No phase listed Observational

Quality of Life and Function of Patients With Pelvic Tumors After Undergoing Hemipelvectomy

NCT05134142
View directory record Official record
Conditions
Malignant Primary Pelvic Neoplasm
Interventions
Electronic Health Record Review, Physical Performance Testing, Quality-of-Life Assessment, Questionnaire Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Sep 8, 2026, 2:48 AM EDT
Active, not recruiting Not applicable Interventional

Feasibility of the NEXT Steps Weight Loss Intervention +/- Resistance Training for Endometrial Cancer Survivors: Effect on Lean Mass & Biomarkers

NCT02774759
View directory record Official record
Conditions
Malignant Neoplasms of Female Genital Organs
Interventions
Accelerometer, Questionnaires, Fitness Test, Resistance Training, Aerobic Exercise, Telephone Coaching/Phone Calls, Video Chat Sessions
Device · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 8, 2026 · Synced Sep 8, 2026, 2:48 AM EDT
Withdrawn Phase 2 Interventional

Effects of Nitric Oxide on the Endothelium During Hemolysis.

NCT03748082
View directory record Official record
Conditions
Endothelial Dysfunction, Hemolysis Intravascular, Cardiovascular Diseases, Cardiovascular Risk Factor
Interventions
Nitric Oxide, Reactive Hyperemia Index, Endothelial Cells Collection
Drug · Diagnostic Test · Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Sep 8, 2026, 2:48 AM EDT
Recruiting No phase listed Observational

A Study Evaluating Disease Characteristics and Outcomes in Participants With Asthma in Routine Clinical Practice

NCT07556159
View directory record Official record
Conditions
Asthma
Interventions
Procedure: Investigational Procedures
Other
Lead sponsor
Sanofi
Industry
Eligibility
6 Years and older
Enrollment
2,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
56
States / cities
Chandler, Arizona • Mesa, Arizona • Sun City, Arizona + 42 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 8, 2026, 2:48 AM EDT
Terminated Phase 1 Interventional

Anti-SARS Cov-2 T Cell Infusions for COVID 19

NCT04401410
View directory record Official record
Conditions
SARS-CoV 2, Viral Infection, COVID 19
Interventions
Dose Finding Phase (MTD), Partially HLA-matched SARS-CoVSTs, Routine care (no SARS-CoVSTs)
Biological · Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 18, 2022 · Synced Sep 8, 2026, 2:48 AM EDT
Completed Phase 2 Interventional Results available

Dexamethasone Dyspnea Study

NCT01670097
View directory record Official record
Conditions
Advanced Cancers, Hematologic Disorder, Solid Tumors
Interventions
Dexamethasone, Placebo, Questionnaires, Spirometer, Phone Calls
Drug · Behavioral · Device + 1 more
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 16, 2021 · Synced Sep 8, 2026, 2:48 AM EDT
Completed No phase listed Observational

Evaluation of Cardiorespiratory Events in Subjects Undergoing an Upper and/or Lower Endoscopy Under Current Sedation Practices

NCT00559260
View directory record Official record
Conditions
Sedation for Non-Emergent Upper and/or Lower Endoscopy
Interventions
Passive monitoring with pulse-oximetry, NIBP and ECG
Device
Lead sponsor
Ethicon Endo-Surgery
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Sep 14, 2008 · Synced Sep 8, 2026, 2:48 AM EDT
Recruiting Not applicable Interventional

Factorial Optimization Trial to Test Cognitive Behavioral Therapy Components for Multiple Sclerosis Fatigue

NCT06809192
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
4-session Relaxation Training, 4-session Behavioral Activation, 4-session Cognitive Therapy
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Sep 8, 2026, 2:48 AM EDT
Not listed No phase listed Observational

Electrical Activity of the Diaphragm During Extubation Readiness Testing

NCT00814853
View directory record Official record
Conditions
Extubation
Interventions
NAVA (Extubation readiness testing failures)
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Up to 18 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 3, 2009 · Synced Sep 8, 2026, 2:48 AM EDT
Completed Not applicable Interventional

A Biobehavioral/Cognitive Treatment for Stress, Depression, and Anxiety in Patients With Stage IV Lung Cancer

NCT05342571
View directory record Official record
Conditions
Advanced Lung Carcinoma, Metastatic Lung Carcinoma, Stage IV Lung Cancer AJCC v8, Stage IVA Lung Cancer AJCC v8, Stage IVB Lung Cancer AJCC v8
Interventions
Behavioral, Psychological or Informational Intervention, Biospecimen Collection, Electronic Health Record Review, Informational Intervention, Survey Administration
Other · Procedure
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 22, 2023 · Synced Sep 8, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pulse Oximeter and Respiratory Rate Test

NCT03797300
View directory record Official record
Conditions
Hypoxia, Hypercapnia, Hypocapnia
Interventions
Spry Loop Band
Device
Lead sponsor
Spry Health
Industry
Eligibility
18 Years to 60 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Sep 8, 2026, 2:48 AM EDT
Recruiting No phase listed Observational

Effectiveness of the WearME System for COPD Severity and Respiratory Function

NCT06751537
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Not listed
Lead sponsor
LASARRUS Clinic and Research Center
Industry
Eligibility
21 Years to 100 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Baltimore, Maryland • Salisbury, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Sep 8, 2026, 2:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cardiac Autonomic Function in Women with Microvascular Coronary Dysfunction

NCT01568177
View directory record Official record
Conditions
Microvascular Coronary Dysfunction
Interventions
Mental Stress Testing, Peripheral Arterial Tonometry (PAT) Testing, Heart Rate Variability (HRV), RESPeRATE Breathing Trial, SPECT cardiac scan with 123I-mIBG and Myoview
Behavioral · Other · Procedure
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 8, 2026, 2:48 AM EDT