Clinical Research Directory

Proximal Gastrectomy Anterior Anastomosis With Pyloroplasty Versus Esophagogastric Anastomosis for Gastric Cancer

This research is designed to compare proximal gastrectomy anterior anastomosis with pyloroplasty with esophagogastric anastomosis for gastric cancer. Gastroesophageal reflux disease, postoperative quality of life, short term outcomes, and long term outcomes will be compared.

Transoral Incisionless Fundoplication Database Repository (TIF)

Collect data on individuals who have a transoral incisionless fundoplication (TIF) performed by physicians at Indiana University for the treatment of gastroesophageal reflux disease.

The Johns Hopkins Heartburn Center Registry

A multi-center, multi-year registry of patients with gastroesophageal reflux disease (GERD) undergoing diagnostic evaluation and/or treatment of GERD and associated diseases and complications.

Domperidone in Treating Patients With Gastrointestinal Disorders

This phase III trial studies how well domperidone works in treating patients with gastrointestinal disorders. Domperidone may help control chronic gastrointestinal disorders and their symptoms, such as pain, bloating, and nausea and vomiting, by stimulating contraction of the stomach to increase its ability to empty itself of food.

Mechanistic and Clinical Outcomes of a Surgical Innovation Aimed at Minimizing GERD Associated With VSG (INNOVATE-VSG)

This is a two-site randomized clinical trial aiming to test whether a modified investigational bariatric surgical procedure can improve gastroesophageal reflux disease (GERD) after sleeve gastrectomy.

Oral Fosamprenavir + Sodium Alginate for GERD

The goal of this clinical trial is to learn if study drug Fosamprenavir-Sodium Alginate (FOS-SA) administered orally improves symptoms for Proton Pump Inhibitor (PPI)-refractory Gastro Esophageal Reflux Disease (GERD). The main questions it aims to answer are: 1. Does FOS-SA significantly improve heartburn severity over the 8-week treatment period 2. Does FOS-SA significantly improve regurgitation frequency over the 8-week treatment period 3. Does FOS-SA significantly improve symptoms of persistent GERD over the 8-week treatment period Researchers will compare FOS-SA to a placebo (a look-alike substance that contains no active drug) to see if FOS-SA works to treat PPI-refractory GERD. Participants will: 1. Take FOS-SA or placebo every day BID (twice a day) for 8 weeks 2. Visit the Adult Translational Research Unit (ATRU) seven times for consenting, screening, and checkups and tests 3. Keep a daily diary of their symptoms of persistent GERD

Effect of Laparoscopic Sleeve Gastrectomy Versus Roux-en-Y Gastric Bypass on Gastroesophageal Reflux Disease: An 8-Year Prospective Cohort Study

This study represents a long-term observational follow-up of patients who had previously undergone bariatric surgery (laparoscopic sleeve gastrectomy or Roux-en-Y gastric bypass) in the context of an earlier interventional trial (NCT03692455). No new interventions are assigned in the follow-up phase. Participants are evaluated clinically and functionally at predefined intervals using standardized multimodal assessments (symptom questionnaires, endoscopy, manometry, radiology, and pH monitoring).

Real-life Study of Changes of Gastroesophageal Reflux Disease Manifestations Due to Behavioural and Diet Adherence

This study is aimed to investigate the role of long-term diet adherence on manifestations of gastroesophageal reflux disease

Morphological Markers of Gastroesophageal Reflux Disease (GERD)

The purpose of this project is to learn more about a new and promising way to diagnose acid reflux disease using a very high-powered microscope. This special microscope provides much finer detail than typical microscopes previously used for diagnosing reflux, and may help doctors to better identify children with acid reflux.

Clinical Trial for the Comparative Evaluation of Acid Suppression and Symptom Management of Gastroesophageal Reflux Disease With the Administration of Tegoprazan or Pantoprazole

The objective of this clinical trial is to compare which of the two drugs best resolves symptoms in patients diagnosed with erosive and non-erosive gastroesophageal reflux disease, adult males and females. The main question is What is the proportion of patients with resolution of the main symptoms of gastroesophageal reflux disease at four weeks of treatment with pantoprazole vs tegoprazan.

Mandibular Advancement Devices for Reflux in Obstructive Sleep Apnea

The purpose of this randomized clinical trial is to learn if a mandibular advancement device (a type of oral appliance) can help reduce nighttime acid reflux in adults with obstructive sleep apnea. The study also aims to understand whether this device can improve sleep quality and quality of life. The main questions the study aims to answer are: * Does using a mandibular advancement device reduce the number and intensity of nighttime reflux episodes? * Does the device improve sleep and daily well-being in people with sleep apnea and reflux? Researchers will compare two types of oral appliances: * A mandibular advancement device, which moves the lower jaw forward during sleep * A lower jaw oral device without advancement, which also aims to help people with sleep apnea but does not reposition the jaw Participants will: Wear the assigned oral device every night for 6 months Visit the clinic for check-ups and adjustments Complete short questionnaires about reflux symptoms, sleep quality, swallowing, diet, and quality of life Have saliva pH measured and X-rays taken before and after using the device This study hopes to find out whether oral devices can be a good option for people who do not tolerate CPAP therapy.

Intestinal Microbiota After PPI Treatment

This clinical study aims to investigate the effects of short-term treatment with proton pump inhibitors (PPIs) on the gut microbiota of pediatric patients. PPIs are among the most frequently prescribed medications in children and adolescents for the management of acid-related disorders, such as gastroesophageal reflux disease (GERD). However, emerging evidence suggests that these medications may have unintended consequences on the delicate ecosystem of beneficial microorganisms residing in the human gastrointestinal tract. The intestinal microbiota plays a pivotal role in modulating immune responses, supporting nutrient metabolism, and maintaining the integrity of the gut barrier. Disruption of this microbial balance-known as dysbiosis-has been associated with several health conditions, including infections, allergies, obesity, and chronic inflammation. In adults, long-term PPI use has been linked to microbiota alterations, but data in the pediatric population remain limited and inconclusive. To address this gap, our prospective longitudinal study will recruit pediatric patients prescribed PPI therapy for clinical indications. Stool samples will be collected at four time points: prior to PPI administration, during treatment, and at two follow-up stages post-cessation. Using 16S rRNA gene sequencing, we will profile changes in microbial diversity and abundance over time. The results will offer insight into whether short-term PPI exposure in children leads to significant, lasting changes in gut microbiota composition or diversity. Such information may ultimately inform prescribing practices, support personalized therapeutic strategies, and help mitigate potential risks associated with microbiota disruption during childhood-a critical period for microbial and immune system development.

Biomarkers of Airway Disease, Barrett's and Underdiagnosed Reflux Noninvasively (BADBURN)

A majority of Fire Department of New York (FDNY) World Trade Center (WTC) exposed rescue and recovery workers developed gastroesophageal reflux disease (GERD), a risk factor for Barrett's Esophagus (BE) and subsequent esophageal cancer. There is diminished health-related quality of life and productivity associated with aerodigestive diseases such as GERD and BE. This proposal will leverage the longitudinally phenotyped WTC exposed cohort, validate biomarkers of WTC-aerodigestive disease, and develop novel, noninvasive disease phenotyping of premalignant diseases such as BE, and identify potential targeted therapeutics to improve care.

A Post-market Registry to Assess Safety and Performance of RefluxStop™ in the Treatment of GERD in General Hospital Practice

A post-market retrospective and prospective, open label, multicenter, single-arm registry study using standard clinical procedures to record available and/or new data to evaluate the safety and performance of RefluxStop™ for the treatment of subjects suffering from GERD. Following surgery, patients will have follow-ups visits at 3 and 6 months and annually up to 7 years.

Transoral Fundoplication Prior to Sleeve Gastrectomy Versus RNY Gastric Bypass on GERD Symptoms in Bariatric Patients

A retrospective and prospective cohort study to compare the effect of completing a Transoral Fundoplication procedure prior to Laparoscopic Sleeve Gastrectomy surgery to Laparoscopic Roux-en-Y Gastric Bypass in bariatric patients with Gastroesophageal Reflux Disease signs and symptoms. The aim of this study is to examine the effect of TF prior to sleeve gastrectomy as compared to Roux-en-Y Gastric Bypass on reflux symptoms in bariatric patients. Additional Follow up data until 10 years will be collected to evaluate for sequelae of GERD.

Outcomes After Medical and Surgical Treatment of Gastroesophageal Reflux Disease

The aims of this study are to create a prospective data base to evaluate the long term outcomes of medical and surgical treatment of gastroesophageal reflux disease (GERD); to measure standard outcomes as well as patient derived outcomes such as general and disease specific quality of life (QOL) issues and patient satisfaction; to refine the parameters that may identify patients who will benefit from surgery for GERD; and to identify possible determinants of failure of both medical and surgical treatments of reflux.

Evaluation of Upper Esophageal Sphincter Motor Activity in Patients with Extra Esophageal Reflux Symptoms

To evaluate the presence of motor changes of the upper esophageal sphincter detectable by high-resolution manometry in patients with oropharyngeal symptoms referable to extra-esophageal reflux manifestations.

Preserving the Pre-cardial Fat Pad During Sleeve Gastrectomy on Postoperative Gastroesophageal Reflux

Gastroesophageal reflux disease (GERD) is one of the most common chronic conditions that can affect one's quality of life. Laparoscopic sleeve gastrectomy (LSG) has become a popular technique and currently is the most frequently practiced surgical operation to treat obesity today. However, the prevalence of GERD following SG can be fairly high. Several studies have noted an incidence between 6% and 47%. The angle of His is important for the maintenance of esophageal anti-reflux ability, and prevent GERD. Most SG operating consensus recommends surgeons should stay at least 1 cm away from the angle of His. However, on consensus was reached about the pre-cardial fat pad should be routinely dissected or not to avoid leaving behind a large fundus consensus. The investigators propose to perform a prospective randomized controlled study to dissect the pre-cardial fat pad or not in obese patients followig sleeve gastrectomy to prevent GERD.

Anti-reflux Mucosal Valvuloplasty Versus PPIs for GERD Treatment

The study objective is to evaluate the relative merits, safety and effectiveness of Anti-reflux mucosal valvuloplasty (ARMV) in GERD patients currently treated with daily Proton Pump Inhibitors (PPIs).

Gastroesophageal Reflux Disease Diagnostic Trial

Gastroesophageal reflux disease (GERD) is a very common condition in clinical practice. In China, GERD affects nearly 150 million patients, whose quality of life are seriously impacted. Currently, the diagnosis of GERD primarily depends on the results of 24h reflux monitoring. However, such examination is under a quite low acceptability. As a result, a large number of patients were not diagnosed timely and accurately, and serious social problems are induced, such as drug abuse of proton pump inhibitor. Our team has previously developed a novel device for esophageal cell enrichment and established an internationally pioneering method of cytological screening for esophageal cancer based on cutting-edge deep learning technology. This project aims to develop multiple deep learning algorithms and establish an innovative method for diagnosis of GRED, using the novel esophageal cell enrichment technology. The research includes: 1) constructing deep learning algorithms for automatic esophageal inflammatory cells recognition and classification; 2) mining and extracting the key features of esophageal squamous cells and inflammatory cells under physician-AI interaction; 3) establishing a prediction model for GERD by integrating digital features of squamous cells and inflammatory cells and building a cloud-based automatic diagnosis system; 4) investigating the immuno-infiltration atlas of GERD and its diagnostic value based on the enriched inflammatory cells. The ultimate goal is to solve current clinical problems and realize rapid, convenient, and accurate diagnosis of GERD.

Zuojin Wan Combined With Woonosan Fumarate for the Treatment of GRD Combined With Depression

To evaluate the improvement of symptoms in patients with gastroesophageal reflux disease combined with depression (hepatic and gastric depression-heat type) by Zuojin Wan combined with vornodine fumarate regimen as a control, and to compare the adherence to the medication and the adverse reactions of the patients between the two groups.

Anti-reflux Mucosal Ablation Therapy Randomized Sham Control Trial for Gastroesophageal Reflux Disease

The goal of this randomized clinical trial is to investigate the efficacy and safety of antireflux mucosal ablation (ARMA) for patients with refractory gastroesophageal reflux disease (GERD). The trial aim to evaluate : * Efficacy of ARMA comparing with medical treatment alone (proton pump inhibitor (PPI)), using GERD-Health Related Quality of Life Questionnaire (GERD- HRQL questionnaire), improvement of acid exposure time and DeMeester score * Safety and complications of ARMA Participants will be randomly divided into 2 groups. The intervention group will be undergone ARMA, and the control group will be undergone sham endoscopic treatment. The primary endpoint will be symptoms relief (GERD-HRQL decreases \> 50%). The secondary endpoint will be dosage adjustment of PPI, complications, improvement of acid exposure time and DeMeester score.

Progression of Gastroesophageal Reflux Disease and Barrett's Esophagus and the Creation of a Barrett's Registry

The purpose of this study is to determine or evaluate the risk factors such as smoking, family history etc. that cause esophageal cancer and to determine the genetic changes that lead to esophageal cancer. The investigators hypothesis is that systematic collection of data on the natural history of GERD and BE patients and risk factors for development of BE in patients with chronic GERD and progression of BE to dysplasia and adenocarcinoma will provide useful information to develop a decision model for risk stratification and risk reduction strategies in these patients. As of March 17, 2011, 585 patients have consented at the Kansas City VA Medical Center.