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We list hundreds of Clinical Trials about "High Prevalence Pathological Hydrogen Breath Tests Patients with" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.
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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 undergo treatment with rifaximin. Hydrogen breath testing and biologic samples collection will also be completed during the study.
The purpose of this study will be to determine whether there is any role for measuring Hydrogen Sulphide (H2S) in the exhaled breath in terms of management of the patient with asthma. The investigators will recruit patients with a range of severity of asthma and health volunteers. Levels of Hydrogen Sulphide will be measured in exhaled breath and blood. Also exhaled Nitric Oxide, Spirometry and asthma symptom scores will be measured at each study visit. Participants will...
This Pilot study evaluates the use of a new device called Inflammacheck and whether it can consistently measure hydrogen peroxide levels in exhaled breath condensate. It will also assess whether exhaled breath condensate hydrogen peroxide levels as measured by Inflammacheck can differentiate people with asthma and COPD from healthy individuals.
The goal of this study is to determine subjective gastrointestinal tolerance response and differences in breath hydrogen response following the consumption of two types of juice. This randomized, crossover study requires participants to arrive to the lab 12 hours fasted, consume an oral liquid supplement and complete gastrointestinal tolerance questionnaires as well as produce samples for breath hydrogen analysis at various time points over the next 3 hours. Subjects will be as...
The goal of this study is to determine subjective gastrointestinal tolerance response and differences in breath hydrogen response following the consumption of two types of juice. This double-blind crossover study requires participants to arrive to the lab 12 hours fasted, consume 12 oz of juice and complete gastrointestinal tolerance questionnaires as well as produce samples for breath hydrogen analysis at various time points over the next 3 hours. Subjects will be asked to com...
Study objectives: Primary: Difference in breath hydrogen concentration (BHC, ppm) in lactase and probiotic groups compared to placebo, measured by the incremental area under curve (iAUC) analysis Non-inferiority in breath hydrogen concentration (BHC, ppm) of probiotic group compared to lactase group, measured by the incremental area under curve (iAUC) analysis Secondary: Breath test - Breath hydrogen peak value (ppm) in lactase and probiotic groups co...
The purpose of the study is to measure the negative cognitive consequences of the ventilation under pathological or experimental cortical drive to breath.
Bloating, gas, pain and diarrhea are common complaints. Routine investigations are negative; these patients are labeled as IBS. In these patients, whether testing for carbohydrate malabsorption or small intestinal bacterial overgrowth (SIBO) is useful is unclear. We aim to assess the prevalence of SIBO, fructose and lactose intolerance, the usefulness of breath tests, and predictive value of pre-test symptoms.
The purpose of the this study is to compare pathological gamblers versus non-pathological gamblers using tests that measure different components of impulsivity. We aim to invite a total of 120 individuals to participate in this study. Impulsivity has been described as the cognitive inability to delay gratification, a failure to inhibit behavioral action or acting without forethought about consequences. Impulsivity has also been seen as a personality trait characterized by ris...
Background: Breath testing for food intolerances is becoming routine in patients with functional gastrointestinal disorders (FGID). Both FGID and saccharide intolerances (FODMAPs: fermentable oligo-, di-, polysaccharide and polyols, e.g. lactose, fructose, sorbitol) are common (>10% of any given population) and often respond to dietary modification. The breath tests are based on quantification of gas excretion in breath as a sign of malabsorption and symptom provocation, but ar...
It is hypothesized that there will be no difference in the breath hydrogen excretion between the 2 different prebiotic formulas.
To determine the effectiveness of combining different concentrations of hydrogen peroxide and carbamide used during tooth bleaching.
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. However, more research is needed to determine how different chemicals appear in different breath samples. This study will involve healthy volunteers. Objectives: - To study chemicals appearing in breath samples of healthy volunteers. Eligibili...
This study suggested that hydrogen has a potential as an effective and safe therapeutic agent on cGVHD.
The hypothesis underlying this study is that whilst there is no home-screening test for lactose intolerance, this test would have significant value as lactose tolerance tests and breath hydrogen tests are expensive and time consuming. Therefore, it would be highly beneficial to validate a simple home-screening test. This study will validate a simple home-screening test that uses lactose and not milk.
There have been many adjunctive treatments for the additional clinical benefits to scaling and root planing (SRP) in the treatment of chronic periodontitis. Topical hydrogen peroxide (HP) delivered in a custom fabricated tray has been shown to improve pocket depth (PD) and inflammation. The purpose of this study is to assess the adjunctive treatment outcome of HP gel in custom tray application in individuals with chronic periodontitis receiving SRP. The purpose of this investig...
Shortness of breath is very common among patients on dialysis for kidney failure; however, its causes are often not understood. This study will explore the lungs and the heart of these patients to determine the causes of shortness of breath. The amount of salt in the body tissues, which tends to accumulate in dialysis patients and can also cause shortness of breath, will also be measured. Machines that exploit magnetic resonance, ultrasound and x-rays to take images of the body...
This study will determine whether people with common variable immunodeficiency (CVID) with and without gastrointestinal (GI) symptoms have gut abnormalities (inflammation or loss of function) and changes in immune system cells and chemicals in the blood and gut. People with CVID have decreased levels of serum immunoglobulin IgG and IgA. Patients have sinus, lung and other infections, and many also have stomach and intestinal problems, such as chronic diarrhea, inability to ab...
Analysis of exhaled breath samples using a high-speed gas chromatography medical device will identify Volatile Organic Compounds (VOC) that are specifically associated with SIRS and Sepsis. Primary outcome measures will include the assessment of the zNose Diagnostic Breath Analysis System, which includes high-speed gas chromatography, in the early detection of SIRS and Sepsis as compared with current SIRS and Sepsis evaluation methods.
This is a pilot randomized control trial (RCT) to explore the possible beneficial effect of a novel combination therapy consisting of molecular hydrogen H2 plus minocycline ("H2M"), on neurological recovery after acute ischemic stroke.
The study aims to observe the relationship between the changes of ocular structure parameters and pathological changes among children and adolescents with high myopia. Environmental factors and family history will also be collected to explore their impacts on high myopia progression.
The current study seeks to elucidate the context of pathological and non-pathological eating behavior in a heterogeneous sample of overweight and obese children, aged 8-14 years. Children will undergo a two-week ecological momentary assessment (EMA) protocol in which they record all eating episodes and their physiological, emotional, interpersonal, and environmental correlates. Specific aims are to identify proximal antecedents and consequences of pathological and non-pathologi...
Pathological gambling (PG) is characterized by a persistent pattern of continued gambling behavior despite its adverse consequences. PG is a chronic, progressive, male-dominated disorder, which has a prevalence of 1% to 3.4% among US adults. Deep transcranial magnetic stimulation (TMS) is a novel neuro-stimulation method capable of inhibiting neuronal activity when given in low frequency. The hypothesis of this study is that , Pathological gambling will be ameliorated if low fr...
This study evaluates how 4-week supplementation with hydrogen-rich water affects liver fat accumulation, blood lipid profiles and body composition in patients with non-alcoholic fatty liver disease
Given the possible prognostic relationship between exhaled breath condensate pH and clinical symptoms, it is quite plausible that exhaled breath condensate pH can prove useful in the intensive care unit. For example, if exhaled breath condensate pH falls prior to the onset of clinical symptoms, it is likely that it can be useful as an early marker, heralding the onset of various inflammatory lung diseases. Specifically, exhaled breath condensate pH could be used as a safe, non-...