Clinical trials: Breath Test
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
Weight Loss
Gastric Emptying Using Two Imaging Methods for Those Who Have Undergone POSE2 Weight Loss Procedure
The purpose of this study is to compare a less invasive breath test against the current standard for assessing gastric (stomach) emptying.
- Trial name
- NCT04502732
- Testing
- NSSM and GEBT
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- Mayo Clinic
Healthy Participant
Effect of Rib Cage and Spine Mobility on Maximum Breath-Hold Time
In this study, it was aimed to look at the effect of rib cage and spine mobility on maximum breath holding time. To determine the relationship between spine and rib cage mobility level and respiratory capacity.
- Trial name
- NCT05520216
- Testing
- Spinal mouse (idiag m360), chest circumference measurement, Maximum Breath Hold Test
- Where
- Turkey (Türkiye)
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Saglik Bilimleri Universitesi
Tetraplegia, Asthma
Exhaled Breath Condensate Biomarkers of Inflammation in Individuals With Chronic Cervical Spinal Cord Injury
The purpose of this study is to obtain markers of airway inflammation from the exhaled breath condensate (the moisture in exhaled air) for comparison to blood based markers.
- Trial name
- NCT02235714
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- James J. Peters Veterans Affairs Medical Center
Air Pollution
The Effect of Juice Types on the Responses to Air Pollution
The study hypothesis is that drinking different juices will affect the body's responses to air pollution. Subjects will be exposed to air pollution during a 2-hour car ride on the NJ (New Jersey) Turnpike.
- Trial name
- NCT02027415
- Testing
- Beet juice, Orange juice
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Rutgers, The State University of New Jersey
Chronic Liver Disease
BreathID 13C-Methacetin Breath Test for Detecting Cirrhosis
This trial is a pivotal trial to validate the use of a 13 C labeled substrate called methacetin and the BreathID automatic breath testing system, for determination of cirrhosis in patients with chronic liver disease.
- Trial name
- MBT (NCT00736840)
- Testing
- c13 methacetin solution with breath analyzer
- Where
- 11 sites in United States, Israel
- Volunteers
- 414 people
- Sponsor
- Meridian Bioscience, Inc.
SARS-CoV-2 Infection
Breath Analysis for SARS-CoV-2 in Infected and Healthy Subjects
Recently published studies could demonstrate that detection of specific biomarkers in breath could be applied for the diagnosis of SARS-CoV-2.
- Trial name
- NCT04547114
- Testing
- Multicapillary column coupled ion mobility spectrometry
- Where
- Germany
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Klinikum Bayreuth GmbH
Obstructive Ventilation Disorders
Effect of Bronchodilatator Testing on Multiple-breath-washout (MBW) Derived Lung Function Parameters
The investigators aim to evaluate the effect of bronchodilatator testing on multiple-breath-washout derived lung function parameters.
- Trial name
- NCT02826226
- Testing
- multiple-breath-washout test, Bronchodilator Agents
- Where
- Germany
- Volunteers
- 145 people
- Sponsor
- Universitätsmedizin Mannheim
Breath Tests, Human Volunteers
Breath Test for Chemicals (Volatile Organic Compounds)
Background: Some types of cancer, like cancer of the esophagus, are difficult to detect at an early stage. A possible detection method involves collecting breath samples to look for chemicals that may be signs of cancer.
- Conditions
- Breath Tests, Human Volunteers, Pilot Study
- Trial name
- NCT01437033
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- National Cancer Institute (NCI)
Pulmonary Fibrosis
Exhaled Breath Analysis Using eNose Technology as a Biomarker for Diagnosis and Disease Progression in Fibrotic ILD
The ILDnose study a multinational, multicenter, prospective, longitudinal study in outpatients with pulmonary fibrosis. The aim is to assess the accuracy of eNose technology as diagnostic tool for diagnosis and differentiation…
- Trial name
- ILDnose (NCT04680832)
- Testing
- Electronic nose
- Where
- 5 sites in Australia, France and 3 more
- Volunteers
- 600 people
- Sponsor
- Erasmus Medical Center
Food Intolerance Syndromes, Small Intestinal Bacterial Overgrowth Syndrome (SIBO)
Combined Lactulose H2-breath Test With Abdominal Imaging
Hydrogen (H₂) breath tests serve several purposes. (i) detect malabsorption of carbohydrates such as lactose and fructose, (ii) measurement of oro-caecal transit time (iii) associate hydrogen production with the onset of…
- Conditions
- Food Intolerance Syndromes, Small Intestinal Bacterial Overgrowth Syndrome (SIBO), Breath Tests
- Trial name
- NCT07145580
- Where
- Switzerland
- Volunteers
- 510 people
- Sponsor
- Klinik Arlesheim
Ankylosing Spondylitis, Respiratory Distress
Effectiveness of Mobile Respiratory Training in Ankylosing Spondylitis
Introduction and aim; Low functionality of respiratory muscles is frequently observed in various diseases such as chronic obstructive pulmonary disease, cystic fibrosis, idiopathic pulmonary fibrosis, and rheumatological diseases…
- Conditions
- Ankylosing Spondylitis, Respiratory Distress, Exercise Therapy, Breath Tests
- Trial name
- NCT06652984
- Testing
- Exercise 1, Exercise 2
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people
- Sponsor
- Uşak University
Covid19
Early Detection of COVID-19 Using Breath Analysis - Feasibility Study
Early Detection of COVID-19 Using Breath Analysis -Feasibility Study.
- Trial name
- COVID-19 (NCT04602871)
- Testing
- Breath Biopsy
- Where
- 2 sites in Israel
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Scentech Medical Technologies Ltd
STEMI - ST Elevation Myocardial Infarction, NSTEMI - Non-ST Segment Elevation MI
HELicobacter Pylori Screening in Patients With Acute Myocardial Infarction Pilot Study
The aim of this study is to determine the prevalence of Helicobacter pylori (Hp) infection in patients with myocardial infarction (MI).
- Trial name
- HELPpilot (NCT04289012)
- Testing
- Helicobacter Pylori screening by UBT
- Where
- 2 sites in Sweden
- Volunteers
- 300 people
- Sponsor
- Karolinska Institutet
Cancer, Disease
Public Survey on Breath Testing for Health and Disease
A brief survey for the public to determine interest in health surveillance and disease detection
- Conditions
- Cancer, Disease, Health Behavior, Health Attitude
- Trial name
- NCT06081452
- Testing
- Survey
- Where
- United Kingdom
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Hepatocellular Carcinoma (HCC)
Determination of HCC With Octanoate Breath Test vs. MRI Diagnosis
An Octanoate breath test will be used to assess the presence of Hepatocellular Carcinoma in subjects with risk. The gold standard will be MRI.
- Trial name
- NCT02794805
- Testing
- ¹³C-Octanoate Breath Test
- Where
- 2 sites in China
- Volunteers
- 74 people
- Sponsor
- Meridian Bioscience, Inc.
Breast Cancer
A Prospective Validation Study of a Rapid Point-of-Care Breath Test for Breast Cancer
This is a multicenter, blinded prospective study of 2,000 women undergoing mammography for breast -related symptoms or signs. Breath tests will be performed in order to demonstrate that the outcome of mammography results combined…
- Trial name
- NCT02888366
- Where
- 4 sites in United States
- Volunteers
- 500 people
- Sponsor
- Menssana Research, Inc.
Resistance Exercise, Physical Inactivity
Modified Breath Test to Determine Anabolic Sensitivity Across Physical Activity States
Developing tools to detect when our bodies are more resistant towards protein synthesis is valuable for identification of when someone may be at risk of losing body or muscle mass such as with aging or certain diseases.
- Conditions
- Resistance Exercise, Physical Inactivity, Amino Acids, Dietary Protein
- Trial name
- BTLP (NCT06209424)
- Testing
- Habitual Activity, Step-Reduction, Resistance Exercise
- Where
- Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Tube Feeding
Effect of Methylnaltrexone (Relistor) on Digestion and Tolerance to Tube Feeding in Patients Treated With Opiates
It is hypothesized that using methylnaltrexone in addition to pain killer narcotics (opiates) in patients will result in increased tube feeding rates with more frequent nutrition at goal calorie rate.
- Trial name
- NCT01360372
- Testing
- Methylnaltrexone, Saline injection
- Where
- 2 sites in United States
- Sponsor
- Drexel University
Liver Cirrhosis, Hepatocellular Carcinoma (HCC)
A Simple Breath Test to Detect Liver Cancer and Monitor Liver Conditions
Liver cancer is often diagnosed too late for effective treatment. The VOCAL2 study is developing a simple, non-invasive breath test to help detect liver cancer earlier and monitor liver conditions like cirrhosis.
- Conditions
- Liver Cirrhosis, Hepatocellular Carcinoma (HCC), Cholangiocarcinoma, Cholangitis, Sclerosing
- Trial name
- VOCAL2 (NCT06864195)
- Where
- United Kingdom
- Volunteers
- 750 people, healthy volunteers welcome
- Sponsor
- Imperial College London