Dexilant Treatment in Gastrointestinal Reflux Disease (GERD Related Non Cardiac Chest Pain
Chest PainGastrointestinal Reflux DiseaseThe purpose of this study is to investigate a new treatment for non-cardiac chest pain (NCCP) related to gastrointestinal reflux disease (GERD), called Dexilant. The investigators would like to test its effectiveness in treating NCCP. The patient will undergo esophageal balloon distention testing (EBDT) before and after taking the new treatment for one month (Dexilant). EBDT evaluates the sensation and mechanical properties of the esophagus. A catheter with a deflated balloon is placed through the mouth and into the esophagus and the balloon is inflated with water. ECG and labs will be done throughout the study as a measurement of safety.
Longitudinal Study of Children With a Chronic Cough and the Impact of Gastroesophageal Reflux
CoughGastroesophageal RefluxCough is both an important physiologic component of lung defense and a cardinal indicator of disease. For those with chronic cough, defined as cough lasting for more than 3 weeks, the differential diagnosis is broad, including self-limited, persistent, and chronic diseases. The success of a given treatment depends upon a proper diagnosis, yet this is often not obvious. Gastroesophageal reflux (GER) has been proposed as one possible etiology of a chronic cough in a number of studies in the adult literature; nevertheless a clear cause and effect remains to be confirmed as there continues to be no gold standard test definitively to identify pathologic GER. Each year, billions of dollars are directed towards diagnosing and treating GER as it relates to adults and children with a chronic cough but without solid proof of effect. We propose to test the null hypothesis that there is no causative role of GER with regards to the etiology of chronic cough in children. If the null hypothesis proves true, this has important medical and economic ramifications, as it would suggest that treatment of acid reflux for chronic cough in a child is unwarranted. With this conclusion, health care costs would be reduced and children spared inappropriate medication.
The Role of HIF-2a in the Pathogenesis of Reflux Esophagitis
EsophagitisReflux Esophagitis1 moreThe purpose of this study is to determine the role of hypoxia inducible factor (HIF)-2a on the production of inflammatory cytokines that lead to reflux esophagitis.
Safety, Tolerability and Pharmacokinetics of Single Rising Doses of YF476, a Gastrin Antagonist,...
Reflux OesophagitisThe objectives of the study were: To assess the safety, tolerability and pharmacokinetics of YF476 in healthy volunteers. To select a dose or doses of YF476 for detailed pharmacodynamic studies in healthy volunteers.
Effect of Repeated Doses of YF476, Omeprazole and Placebo on Stomach Acidity in Healthy Volunteers...
Reflux OesophagitisThe objectives of this study were: To compare repeated doses of YF476 at 2 dose levels, placebo and omeprazole with respect to their effect on basal- and food- stimulated gastric pH in healthy volunteers. To compare repeated doses of YF476 at 2 dose levels, placebo and omeprazole with respect to their effect on basal and meal stimulated pH. To assess the safety, tolerability and pharmacokinetics of repeated doses of YF476 in healthy volunteers.
Relationship Between Gastric Accommodation, TLESRs and Reflux in HV and in GERD With or Without...
Gastro-esophageal Reflux DiseaseFunctional Dyspepsia1 moreOur group recently studied the relationship between intra-gastric pressure (IGP) and reflux events after a meal, both in gastro-esophageal reflux disease (GERD) and in healthy volunteers (HV). Ingestion of a meal was accompanied by a drop in IGP, probably representing gastric accommodation (GA). However, the magnitude of this IGP drop varied, and was inversely correlated with the number of transient lower esophageal sphincter relaxations (TLESRs) and the number of reflux events, both in patients and in HV: a smaller meal-induced drop in IGP was associated with a higher rate of reflux events, and vice versa. These findings suggest that impaired GA is a trigger for reflux. Furthermore, impaired GA is a well-established mechanism underlying symptom generation in functional dyspepsia (FD). Hence, the investigators hypothesize that impaired GA is an important pathophysiological feature explaining the overlap between GERD and FD. To evaluate this hypothesis, the investigators will study the relationship between GA, TLESRs and reflux events in HV and in a group of GERD patients which will be categorized as pure GERD or GERD/FD overlap.
Swallowable Sponge Cell Sampling Device and Next Generation Sequencing in Detecting Esophageal Cancer...
Barrett EsophagusDysplasia4 moreThis pilot clinical trial studies how well a swallowable sponge cell sampling device and next generation sequencing work in detecting esophageal cancer in patients with low or high grade dysplasia, Barrett esophagus, or gastroesophageal reflux disease. Checking biomarkers in abnormal esophageal cells using a swallowable sponge cell sampling device and next generation sequencing may improve diagnosis and treatment of esophageal cancer.
Tolerability Study of a Novel Microbiome Therapeutic in Subjects With Gastroesophageal Reflux Disease...
Gastroesophageal RefluxThis is a remote study. No office visits required. The purpose and efficacy endpoint of this study is to assess whether GERD patients tolerate ISOT-101. In addition, usage of the ReQuest validated questionnaire to measure GERD symptoms will be explored as well as usage of the validated SF-36 quality of life (QoL) questionnaire. Each subject serves as his/her own control. Relative tolerability in subjects both on and off proton pump inhibitors (PPIs) will be compared. Subjects naive to PPIs, currently taking PPIs and historically on PPIs will be evaluated with ReQuest and QoL scores. In addition, survey measurements will be taken on a subset of 10 subjects that are non-responders to PPIs. These will not be included in the statistical analysis with the above groups. A tertiary endpoint of this study is to assess any relevant adverse events that occur.
BE Study Between a Capsule and a Sachet Formulation of D961H by Pharmacodynamics in Japanese Healthy...
Gastric UlcerDuodenal Ulcer3 moreThe purpose of this study is; To investigate whether a D961H sachet 20 mg is bioequivalent to a D961H HPMC capsule 20 mg by the assessment of percentage of time with intragastric pH>4. To compare a D961H sachet 20 mg with a D961H HPMC capsule 20 mg by the assessment of percentage of time with intragastric pH>3 during 24 hours and 24-hour median pH. To compare PK properties of a D961H sachet 20 mg with those of D961H HPMC capsule 20 mg. To evaluate the safety and tolerability of a D961H sachet 20 mg and D961H HPMC capsule 20 mg.
A Study to Evaluate the Safety, Tolerability and Pharmacodynamics of Pumosetrag in Patients With...
Gastroesophageal Reflux DiseaseThe purpose of this study is to determine if pumosetrag is effective in treating Gastroesophageal Reflux Disease (GERD) symptoms in patients who have a history of GERD symptoms and are currently taking an acid suppression therapy, such as a Proton Pump Inhibitor (PPI).