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ClinicalTrials.gov public records Last synced Oct 20, 2026, 8:02 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 73–96 of 133 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Breath Collection Clear all
Completed Not applicable Interventional

Sepsis, Severe Sepsis and Septic Shock Detection by Breath Analysis

NCT03497182
View directory record Official record
Conditions
Sepsis
Interventions
Breath sample collection
Device
Lead sponsor
Landon Pediatric Foundation
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated May 7, 2019 · Synced Oct 20, 2026, 8:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Does Small Intestinal Bacterial Overgrowth Contribute to Functional Dyspepsia

NCT00956397
View directory record Official record
Conditions
Functional Dyspepsia, Small Intestinal Bacterial Overgrowth, Chronic Abdominal Discomfort
Interventions
Rifaximin, Lactulose Breath Test, Placebo
Drug · Procedure
Lead sponsor
Henry C. Lin, MD
Federal
Eligibility
21 Years and older
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Oct 24, 2012 · Synced Oct 20, 2026, 8:02 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 12, 2014 · Synced Oct 20, 2026, 8:02 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Role of Acetaldehyde in the Development of Oral Cancer

NCT05973656
View directory record Official record
Conditions
Alcohol-Related Carcinoma, Fanconi Anemia, Oral Cavity Carcinoma
Interventions
Alcohol, Biospecimen Collection, Breath Test
Drug · Procedure
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years to 45 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Oct 20, 2026, 8:02 PM EDT
Terminated Not applicable Interventional Results available

NAVA vs. CMV Crossover in Severe BPD

NCT04821453
View directory record Official record
Conditions
Bronchopulmonary Dysplasia, Neurally Adjusted Ventilatory Assist, Mechanical Ventilation
Interventions
NAVA, CMV
Device
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
Up to 24 Months
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 20, 2026 · Synced Oct 20, 2026, 8:02 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

POC Performance Evaluation of LumiraDx SARS-CoV-2 Ag Ultra and SARS-CoV-2 & Flu A/B Tests.

NCT05728970
View directory record Official record
Conditions
SARS-CoV-2, Influenza A, Influenza B, COVID-19
Interventions
LumiraDx SARS-CoV-2 Ag Ultra, LumiraDx SARS-CoV-2 & Flu A/B
Diagnostic Test
Lead sponsor
LumiraDx UK Limited
Industry
Eligibility
Not listed
Enrollment
716 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
10
States / cities
Garden Grove, California • Lomita, California • DeLand, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 20, 2026, 8:02 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Ultrasound Monitoring of Abdominal Soft Tissue

NCT02722616
View directory record Official record
Conditions
Pancreatic Cancer, Liver Cancer
Interventions
Ultrasound scan of the pancreas, Ultrasound scan of the Liver, Reference ultrasound
Device · Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 100 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced Oct 20, 2026, 8:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of SKY Breath Meditation on Health and Well-being

NCT05523414
View directory record Official record
Conditions
Stress, Stress, Psychological, Stress, Physiological, Anxiety, Mental Well Being, Happiness, Resilience
Interventions
SKY
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
21 Years to 99 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Oct 20, 2026, 8:02 PM EDT
Completed No phase listed Interventional Results available

Companion Protocol for ¹³C-Methacetin Breath Tests in BMS: NCT03486899, NCT03486912 Referenced Trials

NCT03611101
View directory record Official record
Conditions
NASH - Nonalcoholic Steatohepatitis
Interventions
¹³C-Methacetin Breath Test, BMS-986036, BreathID MCS device
Combination Product · Drug · Device
Lead sponsor
Meridian Bioscience, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Humble, Texas
Source: ClinicalTrials.gov public record
Updated Dec 20, 2022 · Synced Oct 20, 2026, 8:02 PM EDT
Not listed No phase listed Observational

Improving P. Aeruginosa Detection With Breath-based Diagnostics (IMPACT-Breath)

NCT04735952
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
University of British Columbia
Other
Eligibility
3 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
5
States / cities
Phoenix, Arizona • Aurora, Colorado • Denver, Colorado + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 5, 2023 · Synced Oct 20, 2026, 8:02 PM EDT
Completed Not applicable Interventional

A Noninvasive Multimodal Biosensing Device for Screening and Monitoring Response to Treatment of Infectious Respiratory Diseases

NCT05035420
View directory record Official record
Conditions
COVID-19, Upper Respiratory Infection, Lower Respiratory Infection
Interventions
Fitbit, Douglas Bag, Periflux 6000 EPOS, BIOPAC, Flowmet, NIRS
Device
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 78 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 5, 2025 · Synced Oct 20, 2026, 8:02 PM EDT
Completed Not applicable Interventional

Mindfulness Based Resilience Training

NCT02419430
View directory record Official record
Conditions
Stress, Psychological
Interventions
MBRT ClassRoom and Phone Application, Phone application only, Questionnaires
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated May 17, 2016 · Synced Oct 20, 2026, 8:02 PM EDT
Terminated Not applicable Interventional

The Effectiveness of the Jamboxx Respiratory Therapy Device: Study 3

NCT03547349
View directory record Official record
Conditions
Atelectases, Postoperative Pulmonary
Interventions
Digital Incentive Spirometer, Jamboxx Respiratory Therapy Device
Device
Lead sponsor
My Music Machines Inc.
Industry
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Aug 24, 2022 · Synced Oct 20, 2026, 8:02 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Diagnostic Breath Analysis for Detection of Ventilator Acquired Pneumonia (VAP)

NCT03053258
View directory record Official record
Conditions
Bacterial Infections
Interventions
Collection of exhaled breath sample
Device
Lead sponsor
Landon Pediatric Foundation
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated May 7, 2019 · Synced Oct 20, 2026, 8:02 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Volatile Organic Compounds (VOCs) in Active Inflammatory Bowel Disease

NCT04827368
View directory record Official record
Conditions
IBD, Crohn Disease, Ulcerative Colitis
Interventions
Breath Test
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
292 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Oct 20, 2026, 8:02 PM EDT
Terminated Not applicable Interventional

Moderate Intensity Exercise and Phenylketonuria

NCT01904708
View directory record Official record
Conditions
Phenylketonuria, PKU
Interventions
Acute Moderate Intensity Exercise
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
14 Years to 17 Years · Male only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 16, 2014 · Synced Oct 20, 2026, 8:02 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Impact of E-cigarette Use on the Body

NCT04972513
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Biospecimen Collection, Nitric Oxide Breath Test, Oscillometry, Spirometry, Survey Administration, Endothelial function
Procedure · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
15 Years to 25 Years
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Oct 20, 2026, 8:02 PM EDT
Recruiting Not applicable Interventional

Using E-Nose Technology to Measure Response to Treatment in People With Malignant Pleural Mesothelioma

NCT06037941
View directory record Official record
Conditions
Malignant Pleural Mesothelioma
Interventions
E-Nose testing, Research blood
Diagnostic Test
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
30 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 20, 2026, 8:02 PM EDT
Not listed No phase listed Observational

Heartsbreath Test for Heart Transplant Rejection

NCT01397812
View directory record Official record
Conditions
Heart Transplant Rejection
Interventions
BreathScanner 1.0, BreathLink
Device
Lead sponsor
Menssana Research, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
5
States / cities
Beverly Hills, California • Stanford, California • Newark, New Jersey + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2015 · Synced Oct 20, 2026, 8:02 PM EDT
Completed Not applicable Interventional Results available

Evaluation of Coronary Artery Calcification Using Gated Stationary Chest Tomosynthesis

NCT03169062
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Gated Stationary Chest Tomosynthesis
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 100 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 11, 2020 · Synced Oct 20, 2026, 8:02 PM EDT
Terminated No phase listed Observational

Analysis of Volatile Organic Compounds in the Breath of Lung Transplant Rejection Patients Using Infrared Spectroscopy

NCT06309628
View directory record Official record
Conditions
Lung Transplant Rejection
Interventions
Breathe sample
Diagnostic Test
Lead sponsor
Paragonix Technologies
Industry
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 31, 2025 · Synced Oct 20, 2026, 8:02 PM EDT
Completed No phase listed Observational

Collection of Breath and Sweat to Identify Indicators of Hypoglycemia

NCT03600116
View directory record Official record
Conditions
Type 1 Diabetes Mellitus
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 24, 2022 · Synced Oct 20, 2026, 8:02 PM EDT
Completed Not applicable Interventional

Feasibility and Preliminary Efficacy of Hatha Yoga in Head and Neck Cancer Survivors

NCT01951664
View directory record Official record
Conditions
Head Neck Cancer
Interventions
Baseline Study Measures, Yoga Evaluation, Yoga Program, Yoga Practice Plan, Study Assessments
Other · Behavioral
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
2
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 27, 2016 · Synced Oct 20, 2026, 8:02 PM EDT
Completed Phase 3 Interventional Results available

Exalenz Lab Mode System Compared to Biopsy for H.Pylori Detection

NCT02528721
View directory record Official record
Conditions
Helicobacter Pylori Infection
Interventions
Dual Mode BreathID Hp System
Device
Lead sponsor
Meridian Bioscience, Inc.
Industry
Eligibility
18 Years and older
Enrollment
282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
11
States / cities
Tucson, Arizona • Ventura, California • Lafayette, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2022 · Synced Oct 20, 2026, 8:02 PM EDT