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Showing 25–38 of 14 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed No phase listed Interventional Results available

Urease Breath Test for Rapid Characterization of Pneumonia

NCT03100760
Conditions
Pneumonia, Bacterial
Interventions
13C-urea breath test
Device
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years to 85 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Detroit, Michigan
Not listed Not applicable Interventional Accepts healthy volunteers

Detection of Propofol in Exhaled Breath

NCT02214394
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
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
Conditions
Pulmonary Disease, Critical Illness
Interventions
There is no intervention in this observational study
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 120 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Terminated Not applicable Interventional Results available

Metabolic and Microbial Profiling of Lung Cancer

NCT03998189
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pivot Breath Sensor Performance Study

NCT03870022
Conditions
Smoking Cessation, Smoking, Tobacco
Interventions
Pivot Breath Sensor System, Similar Carbon Monoxide breath sensor system
Device
Lead sponsor
Jennifer Marler, MD
Industry
Eligibility
18 Years to 80 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Redwood City, California
Completed No phase listed Observational Accepts healthy volunteers

Biomarkers of Molecular Risk in Smokers

NCT00598143
Conditions
Smoking Cessation
Interventions
Vignette, questionnaires and Saliva Samples, Urine Collection, Smoking cessation treatment
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2015
U.S. locations
1
States / cities
New York, New York
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Analysis of Breath Volatile Organic Compounds Using Mass Spectrometry

NCT07732686
Conditions
Pancreas Cancer, Hepatocellular Carcinoma, Lung Cancer, Ovarian Cancer, Breast Cancer, Head and Neck Cancer, Colon Cancer, Bladder Cancer, Other Cancer
Interventions
Proton Transfer Reaction Mass Spectrometry Analysis
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Conditions
Lung Cancer
Interventions
Nitric oxide breath test, Questionnaires
Procedure · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Houston, Texas
Conditions
Diabetes, Hyperglycemia, Hypoglycemia (Diabetic)
Interventions
Sensing Device and Tedlar Bags
Device
Lead sponsor
Indiana University
Other
Eligibility
7 Years to 25 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Metabolic Syndrome
Interventions
intravenous glucose tolerance test, testosterone, anastrozole, goserelin acetate implant, aerobic capacity (VO2 Max), MRI, muscle biopsy, measurement of resting metabolic rate (energy expenditure), Dual energy x-ray absorptiometry, Fasting oral glucose tolerance test
Procedure · Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
50 Years to 75 Years · Male only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
2
States / cities
Baltimore, Maryland • Boston, Massachusetts
Conditions
Rib Fractures, Respiratory Complication
Interventions
Oscillating Positive Expiratory Pressure Device, Incentive spirometry
Device
Lead sponsor
Poudre Valley Health System
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Loveland, Colorado
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
Conditions
Respiratory Insufficiency, Extracorporeal Membrane Oxygenation Complication, Mechanical Ventilation Pressure High
Interventions
Ultra-Protective Ventilation Facilitated by Extracorporeal Support, Lung-Protective Ventilation (LPV), Driving Pressure-Limited Ventilation (DPL), Lung- and Diaphragm-Protective Ventilation and Sedation (LDPVS), Early Cohort corticosteroid dose, Extended Cohort corticosteroid dose, Usual care without routine corticosteroids, Usual care without extending corticosteroids, Usual care with fludrocortisone, Usual care without fludrocortisone, Drug 4 mL:, Drug 40 mg:, PEEP-20, PEEP-AOP, PEEP-10, VV ECMO-facilitated strategy of earlier awakening, extubation and rehabilitation, Electrical impedance tomography (EIT), no treatment / intervention arm is involved., Usual care, Early Routine IMT
Other · Drug
Lead sponsor
University Health Network, Toronto
Other
Eligibility
18 Years and older
Enrollment
6,250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
26
States / cities
Tucson, Arizona • Los Angeles, California • San Diego, California + 19 more