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Showing 1–24 of 97 matching trials from the live ClinicalTrials.gov search.
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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 4, 2026, 6:21 PM EDT
Completed Phase 4 Interventional

Mometasone and Markers of Airway Inflammation

NCT00711165
View directory record Official record
Conditions
Asthma
Interventions
Placebo, Mometasone Furoate
Drug
Lead sponsor
Creighton University
Other
Eligibility
19 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jul 7, 2008 · Synced Sep 4, 2026, 6:21 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Detection of Propofol in Exhaled Breath

NCT02214394
View directory record Official record
Conditions
Healthy
Interventions
High-performance liquid chromatography Analysis, SMART Device
Other · Device
Lead sponsor
Xhale Assurance
Industry
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2014
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 11, 2014 · Synced Sep 4, 2026, 6:21 PM EDT
Completed Not applicable Interventional Results available

Promoting Risk Reduction Among Young Adults With Asthma During Wildfire Smoke Events (TRAK)

NCT04724733
View directory record Official record
Conditions
Asthma
Interventions
Smoke Sense, Smoke Sense Plus
Behavioral
Lead sponsor
Washington State University
Other
Eligibility
18 Years to 26 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Apr 27, 2023 · Synced Sep 4, 2026, 6:21 PM EDT
Completed Not applicable Interventional

Palliative Oxygen for the Relief of Breathlessness

NCT00327873
View directory record Official record
Conditions
Dyspnea
Interventions
Oxygen, Medical Air
Other
Lead sponsor
National Health and Medical Research Council, Australia
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 13, 2009 · Synced Sep 4, 2026, 6:21 PM EDT
Terminated No phase listed Observational Results available

Protein Biomarker Discovery and Validation in Chronic Obstructive Pulmonary Disease (COPD) And Asthma

NCT02487394
View directory record Official record
Conditions
Asthma, COPD
Interventions
Exhaled Breath Condensate (EBC)
Procedure
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 17, 2023 · Synced Sep 4, 2026, 6:21 PM EDT
Completed Not applicable Interventional

Temporal Variation in Exhaled Volatile Organic Compounds in Esophageal Cancer Patients

NCT06453993
View directory record Official record
Conditions
Esophageal Cancer
Interventions
Exhaled VOC breath test
Other
Lead sponsor
Benaroya Research Institute
Other
Eligibility
18 Years to 90 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 26, 2024 · Synced Sep 4, 2026, 6:21 PM EDT
Completed Not applicable Interventional Results available

Postoperative Heme Oxygenase Induction and Carbon Monoxide Production as a Novel Method to Assess Hepatic Regeneration and Predict Hepatic Related Morbidity After Partial Hepatectomy

NCT04195438
View directory record Official record
Conditions
Liver Cancer
Interventions
CO Testing Pre/Post Hepatic Resection, ABG Testing Pre/Post Hepatic Resection, CT Evaluations
Procedure · Diagnostic Test
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2024
U.S. locations
1
States / cities
Glen Burnie, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 20, 2024 · Synced Sep 4, 2026, 6:21 PM EDT
Completed Not applicable Interventional

Effects of Breathwork and Meditation on Addiction Recovery

NCT07510256
View directory record Official record
Conditions
Addiction, Addiction Disorders
Interventions
SKY Breathing Program
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Sanborn, New York
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Sep 4, 2026, 6:21 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Diagnostic Breath Analysis Study to Detect Sepsis

NCT02532959
View directory record Official record
Conditions
Puerperal: [Major Infection] or [Sepsis]
Interventions
Diagnostic Breath Analysis
Device
Lead sponsor
Landon Pediatric Foundation
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Sep 7, 2016 · Synced Sep 4, 2026, 6:21 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Testing Spectrosense EVA System for Detection of Breast Cancer by Analyzing Volatile Organic Compounds (VOCs) in Exhaled Air

NCT01849328
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
Rauscher, Gregory E., M.D. PA
Individual
Eligibility
18 Years and older · Female only
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2013
U.S. locations
1
States / cities
Englewood, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 18, 2013 · Synced Sep 4, 2026, 6:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Exercise and Energy Balance on 24-hour Blood Glucose Control

NCT03350997
View directory record Official record
Conditions
Metabolic Disease, Adipose Tissue
Interventions
Trial 2 Exercise, Trial 1 Exercise
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 40 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 20, 2022 · Synced Sep 4, 2026, 6:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Carbon Monoxide Monitor for the Measurement of End-Tidal Carbon Monoxide Levels in Children With or Without Hemolysis

NCT01848691
View directory record Official record
Conditions
Sickle Cell Anemia
Interventions
Measurement of carbon monoxide level in exhaled breath
Other
Lead sponsor
Ashutosh Lal
Other
Eligibility
5 Years to 14 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Jun 1, 2014 · Synced Sep 4, 2026, 6:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pivot Breath Sensor Human Factors and Usability Study

NCT03835260
View directory record Official record
Conditions
Smoking Cessation, Smoking, Tobacco
Interventions
Pivot Breath Sensor
Device
Lead sponsor
Jennifer Marler, MD
Industry
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Nov 7, 2022 · Synced Sep 4, 2026, 6:21 PM EDT
Completed Not applicable Interventional

FLO2 for Recovery After SCI

NCT03833674
View directory record Official record
Conditions
Spinal Cord Injury (SCI)
Interventions
Daily AIH Block, Sham dAIH Block, Respiratory Strength Training Block, AIH + Strength Training Block
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 70 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 28, 2024 · Synced Sep 4, 2026, 6:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Metabolic Changes in the Activated Human Visual Cortex During Mild Hypoxia

NCT02482571
View directory record Official record
Conditions
Brain Hypoxia
Interventions
Mild Hypoxia
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 18, 2019 · Synced Sep 4, 2026, 6:21 PM EDT
Completed Not applicable Interventional Results available

QuitBet Phase II: A Digital Social Game That Pays You to Stop Smoking

NCT05075213
View directory record Official record
Conditions
Smoking Cessation
Interventions
contingency management (deposit contract), leaderboard and social feed, smoking cessation resource list
Behavioral
Lead sponsor
WayBetter, Inc.
Industry
Eligibility
21 Years and older
Enrollment
245 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 4, 2026, 6:21 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Savannah Environmental Nutrition Study (SENS): Nutrition Intervention to Reduce Air Pollution-Related Airway Inflammation and Oxidative Stress

NCT07797413
View directory record Official record
Conditions
Air Pollution Exposure, Oxidative Stress, Airway Inflammation
Interventions
Antioxidant- and Nutrient-Rich Food-Based Nutrition Intervention
Other
Lead sponsor
Georgia Southern University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Savannah, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 4, 2026, 6:21 PM EDT
Terminated No phase listed Observational

Effects of Oxygen on Lung Tissue During Anesthesia

NCT00715338
View directory record Official record
Conditions
Lung Injury, Acute
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 19, 2017 · Synced Sep 4, 2026, 6:21 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Sustaining Smoking Cessation in Smokers With Kids With Asthma

NCT00862368
View directory record Official record
Conditions
Asthma, Smoking Cessation
Interventions
PAM, PAM-Enhanced/Asthma Counseling Phone Calls, Follow-Up Phone Calls - Child Wellness Topic
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years and older
Enrollment
573 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
5
States / cities
Fall River, Massachusetts • Pawtucket, Rhode Island • Providence, Rhode Island + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2012 · Synced Sep 4, 2026, 6:21 PM EDT
Terminated Not applicable Interventional Results available

Metabolic and Microbial Profiling of Lung Cancer

NCT03998189
View directory record Official record
Conditions
Nonsmall Cell Lung Cancer, Nonsmall Cell Lung Cancer Stage
Interventions
Breath Collection, Saliva Collection, Blood Collection, Urine Collection, Tumor Collection, Medical History Data Collection
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Sep 4, 2026, 6:21 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Comparing the Effects of Pelvic Alignment Versus Diaphragmatic Breathing on Shoulder Range of Motion

NCT04255355
View directory record Official record
Conditions
Glenohumeral Internal Rotation Deficit, Pelvic Misalignment, Diaphragmatic Breathing
Interventions
Pelvic alignment and forceful expiration, Pelvic repositioning exercise, Diaphragmatic breathing exercise
Other
Lead sponsor
University of North Georgia
Other
Eligibility
18 Years to 40 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Dahlonega, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 30, 2020 · Synced Sep 4, 2026, 6:21 PM EDT
Completed No phase listed Observational

Role of Leukotrienes and Adenosine in Hyperpnea-induced Bronchospasm

NCT00710255
View directory record Official record
Conditions
Asthma, Exercise Induced
Interventions
Hyperpnea challenge
Procedure
Lead sponsor
University of Vermont
Other
Eligibility
12 Years to 75 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Colchester, Vermont
Source: ClinicalTrials.gov public record
Updated Oct 30, 2016 · Synced Sep 4, 2026, 6:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tobacco Use in Pregnancy Intervention for Cessation

NCT03442530
View directory record Official record
Conditions
Pregnancy
Interventions
ToPIC, Tobacco Treatment As Usual (TTAU)
Behavioral
Lead sponsor
Kristin Ashford
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced Sep 4, 2026, 6:21 PM EDT