Clinical trials: Breath Tests
Lung Diseases
Breath Analysis by Ion Mobility Spectrometry
Recognition of disease specific clusters of volatile organic compounds in patients with different lung diseases, using breath analysis with ion mobility spectrometry.
- Trial name
- NCT00632307
- Where
- Germany
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Lung Clinic Hemer
COVID-19
The Measurement of Chemicals in Exhaled Breath Can Identify If a Person is Infected with COVID-19
The type and number of chemicals in exhaled breath are different in people with infection as compared to those without infection. In this study, the breath of people with and without COVID infection will be measured.
- Trial name
- NCT06571136
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- N5 Sensors
Tuberculosis
eNose-TB: Electronic Nose for Tuberculosis Screening
An electronic-nose (e-nose) is being investigated as a diagnostic tool for tuberculosis by examining exhaled breath of the patients. Universitas Gadjah Mada has developed an e-nose device for TB diagnostic tool.
- Trial name
- NCT04567498
- Testing
- exhaled breath sampling
- Where
- 3 sites in Indonesia
- Volunteers
- 1,778 people, healthy volunteers welcome
- Sponsor
- Gadjah Mada University
Severe Asthma
The BASA Study: Breath Analysis for Severe Asthma Patients
This study will evaluate the fluctuations of exhaled breath markers in patients with severe asthma on biologics. In the study, severe asthma patients will be followed up to 16 weeks monitoring lung function and inflammation…
- Trial name
- NCT05946421
- Testing
- exhaled breath analysis
- Where
- Italy
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Azienda Ospedaliera Universitaria Policlinico Paolo Giaccone Palermo
Helicobacter Pylori Infection
The Diagnostic Validity of the Urea Breath Test
1. To compare the diagnostic accuracy of the 13C-Urea breath test between using the citric acid as test meal and controlled group by endoscopic biopsy methods(histology, CLOtest and H. pylori culture). 2.
- Trial name
- NCT02359942
- Testing
- Citric acid
- Where
- South Korea
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Seoul National University Bundang Hospital
Healthy
Digestion of Biopolymer Based Lipid Emulsions
In this randomized, double blind, unbalanced three way crossover trial, four lipid emulsions will be assessed on three study days.
- Trial name
- BioLE (NCT02865486)
- Testing
- Lipid emulsion
- Where
- Switzerland
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Dyspepsia
Carbon-13 (13C)-Spirulina Platensis Gastric Emptying Breath Test (GEBT)
The purpose of this study is to compare stomach emptying using 13C-Spirulina platensis breath test and scintigraphy in healthy subjects and subjects with dyspepsia.
- Trial name
- NCT01248221
- Testing
- [13C]-Spirulina platensis and 99mTc sulfur colloid
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Inactivity, Physical, Aging
Oral 'Breath Test' to Measure Anabolic Sensitivity to a Protein Meal Across the Age and Physical Activity Spectrum
The purpose of this study is to determine how anabolic sensitivity, in response to the ingestion of a liquid protein meal, differs across the lifespan, between biological sexes, and with varying physical activity levels.
- Conditions
- Inactivity, Physical, Aging, Healthy Aging, Growth & Development
- Trial name
- NFRF (NCT06744491)
- Where
- Canada
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Breast Cancer
Identification of Breast Cancer in Breath Samples Using Trained Detection Dogs
The goal of this study is to find out whether a system that uses trained detection dogs and artificial intelligence (AI) can identify breast cancer from a person's breath.
- Trial name
- PINK (NCT07038785)
- Testing
- Breath test
- Where
- 6 sites in United States, Israel
- Volunteers
- 1,204 people, healthy volunteers welcome
- Sponsor
- SpotitEarly
Lung Cancer
Safety and Dose Ranging Study for OWL-EVO1 as a Lung Cancer EVOC® Probe (Evolution)
The Evolution study is a phase 1a and 1b study evaluating the safety and pharmacokinetics of D5- ethyl-βGlucuronide as well as the target dose for the probe to maximize the difference between controls and subjects with lung…
- Trial name
- Evolution (NCT05510674)
- Testing
- OWL-EVO1
- Where
- 2 sites in United Kingdom
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Owlstone Ltd
Volatile Organic Compounds, Microbiome
Augmented Response of Volatile Biomarkers in Assessment of Oesophagogastric Cancer (AROMA 1 / BIORESOURCE)
Cancer of the stomach and oesophagus is among the world's top five cancers. Survival rates are very poor as the disease presents late and early symptoms are non-specific.
- Conditions
- Volatile Organic Compounds, Microbiome, Microbioata, Breath Analysis
- Trial name
- NCT05412758
- Testing
- Oral Stimulant Drink
- Where
- United Kingdom
- Volunteers
- 648 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Contraceptives, Oral, Sex Hormone
Oral Contraceptive vs Menstrual Cycle Ex Vivo Model
Despite comprising half the population, females are often left out of muscle research due to the impact of changing hormones during the menstrual cycle and when using oral contraceptives.
- Trial name
- OCEV (NCT06124274)
- Testing
- Protein tracer drink
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Pulmonary Sarcoidosis
Breath Analysis in Patients With Suspected Sarcoidosis: The VOCs-IS Study
Sarcoidosis is a chronic condition which predominantly affects the lungs and lymph glands within the chest, however, may affect any organ within the body.
- Trial name
- NCT04318392
- Testing
- Breath Analysis, Pulmonary Function Tests, Blood sampling and storage for genetic analysis
- Where
- 2 sites in United Kingdom
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Manchester University NHS Foundation Trust
Sedentary Behavior, Aging
Oral 'Breath Test' to Measure Anabolic Sensitivity in Young and Older Adults at Different Activity Levels
Recent work in the investigators laboratory has examined the ability of a non-invasive 13CO2 breath-test to assess differences in amino acid oxidation rates and net balance in young healthy males following protein feeding and…
- Conditions
- Sedentary Behavior, Aging, Sarcopenia, Amino Acids
- Trial name
- ARBT (NCT05216809)
- Testing
- Habitual Physical Activity, Step-Reduction
- Where
- Canada
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Bronchopulmonary Dysplasia
The Role of Volatile Organic Compounds (VOCs), Airway Mucins and the Microbiome in the Early Prediction of Bronchopulmonary Dysplasia (BPD)
Bronchopulmonary dysplasia (BPD), the most common respiratory complication of extremely preterm birth, significantly impacts healthcare with high morbidity and mortality rates.
- Trial name
- INFANCY (NCT06342752)
- Testing
- Breath test, Throat swabs, Placental samples
- Where
- Belgium
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- University Hospital, Antwerp
Bacterial Infections
Diagnostic Breath Analysis for Detection of Ventilator Acquired Pneumonia (VAP)
Breath samples from patients with Ventilator Acquired Pneumonia (VAP) will be analyzed to identify Volatile Organic Compounds (VOC) that have been specifically associated with VAP in previous animal models.
- Trial name
- VAP-VOC (NCT03053258)
- Testing
- Collection of exhaled breath sample
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Landon Pediatric Foundation
Alcohol Use, Alcohol Drinking
Multi-Component Breath Alcohol Intervention
This is the first stage of a three-stage, NIH-funded study to develop and test initially a multi-modal intervention concerning blood/breath alcohol concentration for young adults.
- Conditions
- Alcohol Use, Alcohol Drinking, Drinking Behavior
- Trial name
- BAMTECH (NCT06124898)
- Testing
- Alcohol-related mobile health technologies, Motivational interview and psychoeducation on blood/breath alcohol concentration, Lower tech facilitation
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Northeastern University
Helicobacter Pylori, Safety
PyloPlus Urea Breath Test System Pediatric Safety and Efficacy Study
This is a multi-center, non-randomized, open label study. Subjects will be enrolled on a walk-in basis. Screening data will be reviewed to determine subject eligibility.
- Conditions
- Helicobacter Pylori, Safety, Efficacy
- Trial name
- NCT05276557
- Testing
- PyloPlus Urea Breath Test System, Stool Antigen Test
- Where
- 3 sites in United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- ARJ Medical, Inc.
Smoking Cessation
Health Literacy and Smoking Cessation in Low-SES Diverse Smokers - Project HALT II
In-Depth Interviews: The goal of this research study is to learn about ways to help people might have trouble understanding health information quit smoking.
- Trial name
- NCT02942212
- Testing
- Questionnaire, In-Depth Interviews, Breath Test
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- M.D. Anderson Cancer Center
Dyspnea, Unexplained Chronic Dyspnea
Establishing Clinical Utility for a New Diagnostic Test for Patients With Shortness of Breath
This study will collect high-quality data on how practicing specialist physicians, specifically cardiologists and pulmonologists, across the U.S.
- Trial name
- NCT04693793
- Testing
- Education Materials and Janssen Test
- Where
- United States
- Volunteers
- 219 people, healthy volunteers welcome
- Sponsor
- Qure Healthcare, LLC