Clinical trials: Breath Tests
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.
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.
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
Non-Alcoholic Steatohepatitis
BREATHID Octanoate Breath Test With or Without Methacetin Breath Test for Correlation With Biopsy in NASH
This study's aim is to develop an algorithm for the ¹³C-Octanoate Breath Test with or without the ¹³C-Methacetin Breath Test (OBT and MBT respectively) for correlation with histological findings associated with of Non-Alcoholic…
- Trial name
- NCT02314026
- Testing
- Suspected NASH BreathID test with 13C-Octanoate, Suspected NASH Breath test with 13C Methacetin
- Where
- 11 sites in United States, Belgium and 2 more
- Volunteers
- 140 people
- Sponsor
- Meridian Bioscience, Inc.
Dyspeptic Subjects
Phase 2 Study to Evaluate the Preliminary Performance of the C13-URA Breath Test Kit in Dyspeptic Subjects
This study is a multi-center, open-label comparison study and aimed to evaluate the preliminary performance of this 13C-uracil GEBT to examine its abilities of identifying abnormal (delayed) gastric emptying rates in subjects.
- Trial name
- NCT01677338
- Testing
- 13C-uracil, 99mTc sulfur colloid
- Where
- 2 sites in United States
- Volunteers
- 20 people
- Sponsor
- Otsuka Pharmaceutical Co., Ltd.
Lung Cancer
Diagnostic Accuracy Study for OWL-EVO1 as a Lung Cancer EVOC® Probe (Evolution Phase 2)
The Phase 2a Evolution study aims to assess the diagnostic accuracy of the OWL-EV1 Probe Breath Biopsy Test to differentiate between individuals with lung cancer and relevant contrast groups.
- Trial name
- NCT06193239
- Testing
- OWL-EVO1
- Where
- 9 sites in Czechia, Hungary and 1 more
- Volunteers
- 187 people
- Sponsor
- Owlstone Ltd
Lung Cancer
Analysis of Volatile Chemicals in Lung Cancer Screen-Eligible Subjects Using Infrared Spectroscopy
The aim of this study is to sample and analyze volatile organic compounds (VOCs) from a high-risk population of subjects eligible for lung cancer screening as defined by the US Preventive Services Task Force (USPSTF) guidelines.
- Trial name
- NCT05174468
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Breathe BioMedical Inc
Gastric Acid-related Diseases, Healthy
Comparison Study Between C13-CAC Breath Test and 24-hour Gastric pH Monitoring
The purpose of this study is to compare C13-CAC Breath Test with 24-hour Gastric pH Monitoring in Patients with Gastric Acid-related Diseases and Healthy Volunteers
- Trial name
- NCT02225067
- Testing
- Calcium (13C)Carbonate
- Where
- Japan
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Otsuka Pharmaceutical Co., Ltd.
Gastritis H Pylori
14-day Quadruple Therapy Versus Triple Therapy in HP Eradication
In this prospective randomized-controlled study, treatment-naive H. pylori-infected patients are randomized to receive either standard triple therapy or sequential therapy.
- Trial name
- HEPRA (NCT04769583)
- Testing
- metronidazole based quadriple therapy
- Where
- Tunisia
- Volunteers
- 121 people
- Sponsor
- mohamed bouchoucha
Helicobacter Pylori Infection, Post-Treatment
PyloPlus Urea Breath Test System Post Therapy Efficacy Confirmation Study
This is a multi-center, non-randomized, open label study. Subjects will be enrolled if they are deemed eligible given the inclusion criteria.
- Conditions
- Helicobacter Pylori Infection, Post-Treatment, Efficacy
- Trial name
- NCT05681689
- Testing
- PyloPlus UBT System, Histology, Rapid Urease Test
- Where
- 2 sites in United States
- Volunteers
- 77 people, healthy volunteers welcome
- Sponsor
- ARJ Medical, Inc.
Gastroesophageal Reflux Disease
A Trial of C13-CAC Breath Test in PPI Resistant GERD Patients
To investigate the safety of C13-CAC and the relationship among C13-CAC breath test, gastric pH, and the improvement of symptoms by switching PPI in PPI resistant GERD patients
- Trial name
- NCT03284177
- Testing
- Calcium (13C)Carbonate, Gastric acid inhibitors, Gastric pH monitoring
- Where
- 13 sites in Japan
- Volunteers
- 55 people
- Sponsor
- Otsuka Pharmaceutical Co., Ltd.
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
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.
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
Hepatitis C
BreathID Multi-center HCV Liver Breath Test Study
The goal of this study is to validate the BreathID 13C-methacetin breath test (MBT) as a non-invasive simple-to-use metabolic test, which could be utilized to detect severe liver fibrosis (>2 in METAVIR) in patients with chronic…
- Trial name
- NCT00350714
- Testing
- MBT and BreathID
- Where
- 5 sites in United States, Israel
- Volunteers
- 75 people
- Sponsor
- Meridian Bioscience, Inc.