Clinical trials: Breath Analysis
Obstructive Sleep Apnoea (OSA)
Breath Analysis in Obstructive Sleep Apnoea
Clinical trial in patients with obstructive sleep apnoea that are randomised to either continue or withdraw continuous positive airway pressure therapy to identify a disease-specific exhaled breath pattern by mass spectrometry.
- Trial name
- NCT02050425
- Testing
- CPAP
- Where
- Switzerland
- Volunteers
- 30 people
- Sponsor
- University of Zurich
Lung Cancer
Exhaled Breath Biomarkers in Lung Cancer
Analysis of volatile organic compounds (VOCs) is a new attractive non-invasive field in medical diagnostics. These VOCs can be detected via the exhaled breath.
- Trial name
- NCT01386203
- Where
- Israel
- Volunteers
- 300 people
- Sponsor
- Sheba Medical Center
Lung Cancer
Breath Analysis to Diagnose Lung Cancer
Determination of volatile organic compounds to discriminate patients with lung cancer from healthy smokers and non-smokers healthy subjects.
- Trial name
- CATOCOV (NCT03250390)
- Testing
- Collection of volatile organic compounds during exhalation
- Where
- 7 sites in France
- Volunteers
- 1,500 people
- Sponsor
- University Hospital, Lille
Small Bowel Disease, Motility Disorder
Study of Oro-cecal Transit Time in Healthy Subjects Using Scintigraphy and Lactulose Hydrogen Breath Test.
Radionuclide scintigraphy is the gold standard technique to interpret OCTT but there is no normative data available for its interpretation in Indian population.
- Conditions
- Small Bowel Disease, Motility Disorder, Irritable Bowel Syndrome
- Trial name
- NCT05004207
- Testing
- 99mTc Scintigraphy
- Where
- India
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Asian Institute of Gastroenterology, India
Gastrointestinal Disease, Esophageal Cancer
PMRR-NO: Pulmonary Metabolic Radiation Response Versus Exhaled Nitric Oxide
The goal of this clinical research study is to use a new breathing test that measures the amount of nitric oxide (NO) you exhale.
- Conditions
- Gastrointestinal Disease, Esophageal Cancer, Lung Cancer
- Trial name
- NCT00867477
- Testing
- Breathing Test, Respiratory Symptoms Questionnaire, Pet Scan
- Where
- United States
- Volunteers
- 163 people
- Sponsor
- M.D. Anderson Cancer Center
Colorectal Cancer, Pancreatic Cancer
Chemical Profiling of Colorectal and Pancreatic Cancers Using Breath Analysis - Feasibility Study
Detection of Colorectal and Pancreatic Cancers Using Breath Analysis - Feasibility Study
- Trial name
- Cancer (NCT05400408)
- Testing
- VOX
- Where
- Israel
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Scentech Medical Technologies Ltd
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
Irritable Bowel Syndrome
Lactulose and Glucose Breath Tests as Predictors of Clinical Benefit From Rifaximin in Irritable Bowel Syndrome
The Irritable Bowel Syndrome (IBS) is a frequent disease, affecting between 10 and 20% of general population. Several pathophysiologic mechanisms have been described in IBS, among them the role of intestinal microbiota and small…
- Trial name
- NCT01803724
- Where
- Chile
- Volunteers
- 120 people
- Sponsor
- Pontificia Universidad Catolica de Chile
Insulin Sensitivity/Resistance
Assessment of Insulin Sensitivity in Healthy Adults by a 13C-glucose Breath Test : Method Development and Validation
The current research project aims to assess the insulin resistance (less sensitivity), from measures of insulin and glucose in response to a standard oral intake of glucose (standardized oral glucose tolerance test).
- Trial name
- NCT06766617
- Testing
- 75 gr Glucose
- Where
- Switzerland
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Société des Produits Nestlé (SPN)
Acute Liver Failure, Acute on Chronic Liver Failure
Role of 13C Methacetin Breath Test in Predicting Prognosis Among Patients With Acute or Acute on Chronic Liver Failure (ACLF).
Blood will be collected after venepuncture from all patients for complete blood counts, Serum bilirubin (direct and indirect), aspartate aminotransferase, alanine aminotransferase, alkaline phosphatase, gamma glutamyl…
- Trial name
- NCT01946360
- Testing
- Methacetin Breath Test in ACLF and ALF patients
- Where
- India
- Volunteers
- 24 people
- Sponsor
- Institute of Liver and Biliary Sciences, India
Chronic Liver Disease
Prediction Value of the BreathID 13C-Methacetin Breath Test for Hepatic Decompensation
The objectives of this study are: To evaluate the ability of the Methacetin Breath Test (MBT) to detect hepatic decompensation events To evaluate the relationship between liver Biopsy and clinical outcome and show that the MBT…
- Trial name
- NCT02084160
- Where
- 4 sites in United States, Israel
- Volunteers
- 579 people
- Sponsor
- Meridian Bioscience, Inc.
Non-alcoholic Fatty Liver Disease
Breath Analysis Using an Electronic Nose in Non Alcoholic Fatty Liver Disease
The purpose of this is to analyse human exhaled breath by means of a device called electronic nose(eNose) in patients with non-alcoholic fatty liver disease (NAFLD) as a way to non-invasive assessment of liver disease.This device…
- Trial name
- BEN (NCT02950610)
- Testing
- Breath analysis - electronic signature "Breath-print"
- Where
- United Kingdom
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Ulcerative Colitis (UC)
Using Breath Tests to Study Gut Sulfur Changes During Dietary Therapy
This study aims to test whether a short liquid-based diet, followed by a low-sulfur eating plan, is safe, manageable, and helpful for people with mild to moderate ulcerative colitis.
- Trial name
- Sulfur-UC (NCT07640659)
- Testing
- Elemental formula (mBiota Elemental, Good LFE, Santa Monica, CA), Reduced Sulfur diet, Habitual Diet
- Where
- Canada
- Volunteers
- 45 people
- Sponsor
- University of British Columbia
Fatty Liver, Cirrhosis
Development of a Breath Test for Monitoring Patients With Liver Disease
The purpose of this study is to determine the safety and efficacy of the Oridion Breath ID machine in monitoring liver metabolic functions.
- Trial name
- NCT00244569
- Testing
- 13C-Methacetin, Breath ID Machine
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- Virginia Commonwealth University
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
Irritable Bowel Syndrome, Irritable Bowel Syndrome With Diarrhea
Hydrogen Breath Test an Instrument to Predict Rifaximin-Response in Irritable Bowel Syndrome Predominant Diarrhea
The purpose of this study is to learn more about how to improve treatment of patients with diarrhea predominant Irritable Bowel Syndrome (IBS-D) symptoms.Included patients will be requested to answer online surveys and will…
- Trial name
- NCT03729271
- Testing
- Rifaximin, Glucose and lactulose hydrogen breath testing
- Where
- United States
- Volunteers
- 148 people
- Sponsor
- University of Michigan
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
Lactose Intolerance
HYBRID: Hydrogen Breath Test in Lactose Digestion
The purpose of this study is to investigate the effect of a fermented infant formula on lactose digestion in lactose intolerant adults.
- Trial name
- HYBRID (NCT02703987)
- Testing
- Fermented infant milk formula, Non-fermented infant milk formula
- Where
- Singapore
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Danone Asia Pacific Holdings Pte, Ltd.
Respiratory Infections, COVID-19
Volatile Organic Compounds Analysis by GC-MS for Diagnostic of Hospitalised Patients With Respiratory Infections Using Exhaled Breath
Emerging respiratory diseases represent a global threat. Viruses such as influenza and coronaviruses have been the main drivers of pandemics over the past century.
- Conditions
- Respiratory Infections, COVID-19, Influenza Virus Infection, Legionella Pneumophila Infections
- Trial name
- VORTEX-2 (NCT07352462)
- Testing
- Volatile Organic compounds (VOC) analysis in Exhaled breath using GC-MS
- Where
- 7 sites in France
- Volunteers
- 777 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Suspicion of Being Infected With H.Pylori
Show Equivalence of the Modified BreathID Compared to Currently Approved BreathID in H.Pylori Detection
The purpose of this study is to confirm equivalence of a new generation breath analyzer (Modified BreathID) in its ability to detect H. pylori compared to the currently approved BreathID® System.
- Trial name
- NCT01650831
- Testing
- Modified BreathID
- Where
- United States
- Volunteers
- 113 people
- Sponsor
- Meridian Bioscience, Inc.