Clinical trials: Breath Test
Excessive Intestinal Gas Production
Evaluation of a 28-day Fermented Milk Product Consumption Twice Daily as Compared to a Non-fermented Milk Product on Intestinal Gas Production in Healthy Subjects High Dihydrogen Producers
The purpose of this study is to assess the effect of a 28-day fermented milk product consumption twice daily on intestinal gas production of dihydrogen (H2) and methane (CH4) in healthy subjects high H2 producers.
- Trial name
- BREEZE (NCT03015441)
- Testing
- Milk product fermented by lactic bacteria or not fermented
- Where
- Germany
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Danone Global Research & Innovation Center
Tobacco Use Cessation
An Evidence Based Smoking Cessation Program for Persons Living With HIV/AIDS (Project Legacy)
The goal of this research study is to compare 2 different phone-based programs for quitting smoking for people with HIV/AIDS.
- Trial name
- NCT02029612
- Testing
- Nicotine Patch, Phone Counseling, Questionnaires
- Volunteers
- healthy volunteers welcome
- Sponsor
- M.D. Anderson Cancer Center
Asthma, Cystic Fibrosis
Breath Analysis in Children by New Point-of-care Instruments
In this study new hand-held devices for measuring exhaled breath will be tested in children with asthma, CF, and healthy controls. Main objectives will be feasibility and discriminative value of these techniques.
- Trial name
- NCT03377686
- Testing
- inflammation markers in exhaled breath
- Where
- Netherlands
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Gastroparesis
ABCA2 GIRMS Analytical Validation Clinical Performance Study
The purpose of this study is to collect human breath samples for use in a validation study intended to demonstrate equivalent clinical performance measures of new ABCA2 GIRMS (Automated Breath Carbon Analyzer-2 Gas Isotope Ratio…
- Trial name
- NCT04607304
- Testing
- ABCA2 GIRMS
- Where
- United States
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- Cairn Diagnostics
COVID-19
Detection of COVID-19 Using Breath Analysis - Validation Study.
Detection of the 2019 novel Coronavirus (SARS-CoV-2) using breath analysis - Validation study.
- Trial name
- NCT05224622
- Testing
- VOX
- Where
- Israel
- Volunteers
- 192 people, healthy volunteers welcome
- Sponsor
- Scentech Medical Technologies 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
Lung Cancer, Pulmonary Disease
A Micro/Nano Device for Exhaled Breath Analysis
Use of a microfabricated silicon device to concentrate ultra trace volatile organic compounds (VOCs) in human exhaled breath for quantitative analysis of VOCs.
- Trial name
- NCT02123030
- Where
- United States
- Volunteers
- 728 people, healthy volunteers welcome
- Sponsor
- University of Louisville
Autonomic Nervous System Diseases
Autonomic Responses During the Valsalva Maneuver and Deep Breathing Test Depend on the Experimental Setup
The purpose of this study is to determine the effects of procedural differences during the Valsalva maneuver and deep breathing test in autonomic nervous system testing.
- Trial name
- NCT02397681
- Testing
- Autonomic Function Testing
- Where
- Denmark
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Danish Pain Research Center
Chronic Pancreatitis, Healthy Volunteers
BreathID® Test: A Non-invasive Modality to Detect Pancreatic Exocrine Insufficiency
13C breath di-peptide tests are an effective non-invasive tool to detect pancreatic exocrine function in patients with Chronic Pancreatitis.
- Trial name
- NCT01259544
- Testing
- benzoyl-L-tyrosyl-[1-13C]alanine (Bz-Tyr-Ala)
- Where
- India
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Meridian Bioscience, Inc.
Irritable Bowel Syndrome
Fructose and Fructans in Irritabla Bowel Syndrome
The purpose of the study is to investigate if patients with Irritable Bowel Syndrome (IBS) who also report bloating are more likely to report clinically important gastrointestinal symptoms after consuming fructose or fructans…
- Trial name
- FABS (NCT01776853)
- Testing
- Glucose, Fructose, Fructans
- Where
- United Kingdom
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- University of Nottingham
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
Covid-19 Infection
Covid-19 Breath Test
Can Nanotechnology Biomarker Tagging (NBT) be used to detect COVID-19 infection in people presenting for COVID-19 testing? NBT can be used to detect the substances present in a person's breath.
- Trial name
- NCT04459962
- Testing
- Breath Test & Cheek Swab
- Where
- United Kingdom
- Volunteers
- 330 people, healthy volunteers welcome
- Sponsor
- Ancon Technologies Ltd
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)
Breath Test, Oesophageal Cancer
Augmentation of Volatile Biomarkers of Oesophageal and Gastric Adenocarcinoma From the Tumour Lipidome
Nearly 10,000 people die each year in the United Kingdom from cancer of the lower gullet and stomach, known as known as oesophago- gastric adenocarcinoma (OGC).
- Conditions
- Breath Test, Oesophageal Cancer, Gastric Cancer, Augmentation
- Trial name
- AVOCADO (NCT05600608)
- Testing
- Oral Stimulant Drink
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Anuja Mitra
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
Cystic Fibrosis
Breath Analysis in in Adults With Cystic Fibrosis (CF)
Exploratory comparative evaluation of exhaled breath composition in cystic fibrosis patients with age and gender-matched healthy adults in order to identify a disease-specific exhaled breath pattern as well as to gain insight…
- Trial name
- NCT02209571
- Testing
- Venous blood markers
- Where
- Switzerland
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Gastroparesis
GEBT Lot-to-Lot and Biological Variability
The purpose of this study is to collect information regarding lot-to-lot variability in 13C-Spirulina test meal lets and within-subject biological variability.
- Trial name
- NCT04772261
- Testing
- 13C-Spirulina GEBT
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Cairn Diagnostics
Liver Diseases, Liver Cancer
Breath Analysis Based Disease Biomarkers
The purpose of the study is to develop a clinical test based on breath analysis that can be used for disease diagnosis or prognosis.
- Conditions
- Liver Diseases, Liver Cancer, COVID19
- Trial name
- NCT04341012
- Testing
- Collection of breath sample
- Where
- United States
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Malabsorption
Investigate the Breath Hydrogen Exhalation After a Test Meal Containing Isomaltulose or Sucrose in Infants
The study shall investigate whether isomaltulose is digested and absorbed to a comparable degree like other carbohydrates (CHO) used as ingredients for this age group (e.g.
- Trial name
- NCT02247102
- Testing
- Isomaltulose, Sucrose
- Where
- Israel
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Tel-Aviv Sourasky Medical Center
Quality of Life
Impact of Different Carbohydrate Feedings on a Hydrogen Breath Curve and Self-reported Gastrointestinal Complaints
GI distress is widely prevalent among athletes, ranging from 30 to 90% in recreationally and professionally active athletes. As the recipient of nutrients, the gastrointestinal (GI) tract plays an important role in athleticism.
- Trial name
- NCT06648967
- Testing
- Supplementation with a multi-ingredient whey supplement
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Arizona State University