Gastroesophageal reflux disease

This study looks at a second surgery for people who had gastric bypass but still suffer from severe acid reflux that medication can't control. The procedure wraps part of the stomach to stop reflux. Researchers will follow 17 adults for up to 2 years to see if the surgery works a…

This study investigates the safety and symptom-relieving effects of the drug Tegoprazan (K-CAB) in adults with gastroesophageal reflux disease (GERD). Researchers will track how well the drug reduces heartburn and acid reflux after 4 weeks of use. The study includes over 5,000 pa…

This pilot trial tests whether feeding directly into the small intestine (transpyloric) is better than feeding into the stomach (gastric) for very preterm infants with bronchopulmonary dysplasia, a chronic lung condition. The study will measure how often babies have low oxygen le…

This study tests whether feeding preterm infants with chronic lung disease through a tube placed past the stomach (into the small intestine) helps their breathing more than feeding through a tube in the stomach. About 50 high-risk preterm babies born before 32 weeks will receive …

This study compares three approaches for treating GERD in NICU infants: letting the condition improve naturally, using the drug omeprazole, or using a special added rice formula. Researchers will track 369 babies to see which treatment leads to better feeding and fewer symptoms l…

This trial tests whether a new robotic system that uses only one small incision (single port) can safely perform common abdominal surgeries in children. The study includes children aged 1 to 17 who need procedures like pyeloplasty or reflux treatment. The goal is to see if the si…

This study tests whether a smartphone app called GERDCare can help people with GERD (acid reflux) take their medication and follow lifestyle advice more consistently. About 380 adults with typical reflux symptoms will use the app for four weeks, and researchers will measure how w…

This study is testing a new robotic system that uses just one small incision to perform surgeries on the liver, pancreas, stomach, and esophagus. The goal is to see if this single-port approach is safe and works well for these complex operations. The study will enroll 35 adults w…

This study tests a new medication, linaprazan glurate, to see if it heals esophagus damage from acid reflux better than a standard drug. About 500 adults with erosive esophagitis will take either the new drug or lansoprazole daily for up to 8 weeks. Doctors will use cameras to ch…

This study tests a procedure called TIF (transoral incisionless fundoplication) for people with chronic acid reflux (GERD) who don't get relief from medication. It is done through the mouth, no cuts, and aims to rebuild the valve between the stomach and esophagus. The study will …

This study tests whether a newer acid-reducing drug, Vonaprazan, heals acid reflux better than the standard drug Esomeprazole in people who had POEM surgery for achalasia. About 300 adults with moderate to severe esophagitis will take one of the two drugs for 8 weeks. The goal is…

This study tests a modified version of sleeve gastrectomy, a common weight-loss surgery, to see if it can reduce or prevent acid reflux (GERD) that often occurs after the standard procedure. About 44 adults with obesity and GERD will be randomly assigned to receive either the sta…

This study compares two types of surgery for patients with early-stage stomach cancer near the esophagus. One method adds a procedure to widen the stomach outlet, which may help prevent severe acid reflux after surgery. The trial will track reflux, quality of life, and complicati…

This study tests two different laser wavelengths (1470 nm and 1940 nm) for a procedure called laser crossectomy to treat varicose veins. The goal is to see which wavelength better prevents vein reflux from returning at the groin junction, while also checking for pain and side eff…

This study compares two doses of vonaprazan (10 mg and 20 mg) with esomeprazole 40 mg for healing moderate to severe reflux esophagitis (grades B, C, or D) over 8 weeks. About 414 adults with GERD symptoms for at least 4 weeks will be randomly assigned to one of the three groups.…

This study tests a new endoscopic procedure called anti-reflux mucosal ablation (ARAT) for people with chronic GERD. The procedure uses argon plasma coagulation to treat the lining of the stomach near the esophagus. 36 participants will be randomly assigned to receive either the …

This study tests whether a Botox injection into the stomach valve works as well as a surgical cut to prevent food from emptying too slowly after esophagus removal. About 170 adults having elective esophagectomy will be randomly assigned to one of the two procedures. Researchers w…

This study tests whether surgically closing the hiatal opening can control gastroesophageal reflux disease (GERD) in people with early-stage disease. Researchers will enroll 40 adults aged 18-50 with a small hiatal defect and confirmed acid reflux. The main goal is to see if the …

This study tests a new device (Intrepid TMVR) to replace the mitral valve in people with severe mitral regurgitation (leaky heart valve) who are not candidates for standard surgery or repair. About 400 participants will receive the device and be followed for safety and effectiven…

This study compares a new nerve-sparing surgery (TLSA) to the standard surgery for people with hiatal hernia and GERD. The goal is to see if the new approach improves quality of life by avoiding damage to a key nerve. About 143 adults will take part in this randomized trial.

This study tests whether removing cow's milk protein from the diet (via mother's diet or special formula) works better than the drug omeprazole for treating gastroesophageal reflux disease (GERD) in infants under 1 year old. About 96 babies with GERD will be randomly assigned to …

This study looks at whether using a biosynthetic mesh during robotic anti-reflux surgery can lower the chance that a hiatal hernia returns. About 200 adults with GERD who are already scheduled for surgery will be randomly assigned to receive either the standard repair or repair w…

This study compares two surgical techniques to repair a type of hiatal hernia (paraesophageal hernia) that often comes back. Researchers want to see if using a special mesh (Ovitex) is better than using sutures alone to prevent the hernia from returning within two years. About 16…

This study tests whether adding a stitch (omentopexy) during sleeve gastrectomy reduces new cases of acid reflux. 526 adults with obesity will be randomly assigned to get the standard sleeve or the sleeve plus stitch. Researchers will check reflux symptoms and medication use two …

This study compares two surgical options for people with severe obesity and acid reflux (GERD). Half of the 560 participants will get a newer procedure called Nissen-Sleeve Gastrectomy, which combines stomach reduction with a reflux barrier; the other half will get the standard R…

This study tests a wearable device called the C-mo System that automatically detects and describes coughs. Researchers want to see if it can accurately count coughs, measure their intensity, and identify wheezing. 300 people aged 2 and older with cough-related conditions will wea…

This study tests whether artificial intelligence (AI) can analyze routine heart tests (ECGs) to find hidden heart problems like weak heart muscle, valve issues, or high lung pressure. About 590 adults without a prior heart disease diagnosis will have ECGs taken with standard mach…

This study is testing a new, less invasive way to diagnose Barrett's esophagus and esophageal cancer using a sponge capsule that patients swallow. The sponge collects cells from the esophagus, which are then analyzed for signs of disease. Researchers will enroll 1,550 people aged…

This study aims to see if a new office-based test (EsoCheck balloon and EsoGuard lab test) can accurately detect Barrett's esophagus in people who do not have chronic heartburn. Barrett's esophagus is a condition that can lead to esophageal cancer, but it is often missed in peopl…

This study tests a new FDA-approved device called MuVI that measures electrical resistance in the esophagus to diagnose GERD and eosinophilic esophagitis. Researchers will enroll 50 adults with chronic esophageal symptoms who are already scheduled for an upper endoscopy. The goal…

This study tests a magnetically controlled capsule endoscope—a tiny camera you swallow—to painlessly screen the esophagus and stomach. Researchers will compare different swallowing protocols to see which gives the best view of the Z-line and other areas. 300 patients already sche…

This study tests a device called eGERD that sends mild electrical pulses to the belly to reduce acid reflux and symptoms like heartburn. 84 adults with GERD will use either the real device or a sham version at home for several weeks. Researchers will measure acid levels in the th…

This study compares intravenous famotidine (a stomach acid reducer) and oral antacids (like Maalox) for treating dyspepsia (stomach pain) in the emergency department. About 80 adults with upper abdominal pain will rate their pain every 15 minutes for an hour. The goal is to see w…

This study tests whether a probiotic supplement can improve gut health and reduce symptoms in people with reflux disease (GERD) who are already taking standard medication. Fifty participants will take either the probiotic or a placebo for six weeks. Researchers will check changes…

This study tests whether a daily probiotic supplement called BioAmicus Complete can help infants with colic, constipation, diarrhea, and eczema. 140 babies will receive either the probiotic drops or a placebo (sunflower oil) for 25 days. Researchers will track changes in stool, c…

This observational study in Germany looks at whether hydrotalcite (Talcid) can ease acid-related symptoms like heartburn that occur when people stop long-term use of proton pump inhibitors (PPIs). About 167 adults who recently stopped PPIs will take hydrotalcite as needed for fou…

This study tests a new infant formula designed to reduce how often babies spit up. About 346 healthy, full-term infants who spit up at least 4 times a day will receive either the new formula or a standard one. Researchers will track changes in spit-up frequency and severity over …

This trial tests whether two types of breathing exercises can improve symptoms and quality of life in people with GERD. 42 adults will be randomly assigned to diaphragmatic breathing, incentive spirometry, or standard care for 6 weeks. Researchers will measure acid exposure, esop…

This study tests whether domperidone, a drug that helps the stomach empty food, can reduce symptoms like pain, bloating, nausea, and vomiting in people with chronic digestive disorders. About 200 patients who have not improved with standard treatments will take domperidone and re…

This study tests whether Afluxin®, a natural gel made from tamarind seed, pea protein, and polyacrylic acid, can reduce heartburn and regurgitation in people with mild-to-moderate GERD. About 208 adults will take the gel or an inactive placebo three times daily for 7 days. The go…

This program gives domperidone to teenagers aged 12 to 21 who have severe stomach or reflux problems that haven't gotten better with standard treatments. The goal is to see if the drug can reduce their symptoms. Up to 20 participants will be enrolled.

This study tests whether wearing virtual reality goggles during a colonoscopy or upper endoscopy can help patients need less sedation. Ten adults aged 21 to 65 will receive minimal sedation and wear a VR headset during the procedure. Researchers will measure how much sedative is …

This study tests an external band worn around the neck (Shaker Pressure Band) to see if it reduces nighttime symptoms of gastroesophageal reflux disease (GERD), such as coughing, choking, and regurgitation. Researchers will enroll 350 adults with GERD and track changes in their s…

This study tests whether a probiotic called BioAmicus Complete can improve common stomach issues like colic, reflux, constipation, and diarrhea in infants up to 24 months old. About 110 babies will take the probiotic or receive standard care for 42 days. Parents will report sympt…

This study tests whether two common antidepressants, duloxetine and amitriptyline, can reduce coughing in people with refractory chronic cough—a cough that persists despite standard treatments. About 50 adults will receive either a low or high dose of one drug or a placebo for 4 …

This study looks at whether problems with how the stomach and esophagus move increase the risk of aspiration (food or liquid going into the lungs) in children with brain-related disabilities. It compares two drugs, prucalopride and famotidine, to see which better reduces symptoms…

This study tests whether a newer drug, zastaprazan, can relieve nighttime heartburn better than the standard drug esomeprazole in people with erosive GERD. About 160 Korean adults with nighttime heartburn for over 3 months will take one of the two drugs and report their sleep qua…

This study is a registry that collects information from 1,000 people with symptomatic mitral valve disease, including mitral regurgitation and stenosis. The goal is to better understand how correcting these heart valve problems with a less invasive procedure called transcatheter …

This Phase 1 trial is testing a new drug called linaprazan glurate in 121 healthy adults to see how the body absorbs and processes it, and whether it affects heart rhythm. The study is double-blind and placebo-controlled, meaning some participants get a dummy pill. It is an early…

This study collects small tissue samples from the stomach and upper intestine of people with severe gastroparesis (delayed stomach emptying). Researchers look for specific cell abnormalities that might predict whether a patient will benefit from a gastric electrical stimulation d…

This study aims to collect medical data and biological samples (blood, urine, stool, and tissue) from up to 4,000 adults with known or suspected gastrointestinal diseases. Participants receive standard medical care at the NIH, and any extra samples or leftover tissue from procedu…

This study compares two techniques—esophageal manometry and EndoFLIP balloon measurements—to evaluate how well they assess swallowing difficulties (dysphagia). Researchers will enroll up to 1,000 patients with known esophageal conditions to see how these measurements relate to sy…

This study is creating a registry of up to 5,000 patients with various gut movement disorders, such as GERD, gastroparesis, and IBS. Doctors will use standard criteria to make accurate diagnoses and collect patient-reported outcomes. The goal is to improve understanding of these …

This study looks at how the body absorbs esomeprazole (a stomach acid reducer) when taken as a tablet or dissolved in water, in people who had gastric bypass surgery a year ago. Fifty participants will have a small device placed in their stomach pouch to measure acid levels, and …

This study looks at whether weak esophageal contractions (ineffective motility) improve after partial fundoplication surgery for gastroesophageal reflux. Researchers will perform high-resolution manometry 18-24 months after surgery in 100 patients who had weak contractions before…

This study tests a program to help doctors and patients safely reduce or stop taking acid-reducing pills (proton pump inhibitors) when they are no longer needed. About 400 adults in Swiss primary care who take these pills daily will be enrolled. The goal is to see if the program …

This study aims to collect normal measurements from the esophagus and stomach in 40 healthy adults aged 18-85. Participants will undergo two quick, FDA-approved tests during a standard upper endoscopy to measure muscle function and tissue health. The data will help doctors better…

This study collects information from medical records and patient visits to see how well endoscopic bariatric therapies (EBTs) work for weight loss and if they are safe. It includes adults who have had or plan to have an EBT within six months. The goal is to track weight changes a…

This study is collecting medical history, blood, and tissue samples from 7,000 people with esophageal disorders like GERD or Barrett's esophagus. Researchers hope to find genetic or protein markers that signal a higher risk of developing esophageal cancer. The goal is to enable e…

This study is creating a large database of information from 10,000 people with esophagus problems like GERD, achalasia, and other motility disorders. Researchers will collect data from standard tests to better understand these conditions. The goal is to improve diagnosis and trea…

This study looks at how long people with type 2 diabetes need to stop taking GLP-1 medications (like semaglutide) before surgery to make sure their stomach is empty. These drugs slow down digestion, which can increase the risk of food or liquid entering the lungs during anesthesi…

This study is creating a large database to compare two ways of taking tissue samples from the esophagus: standard forceps biopsies and a brush-based method called WATS3D. Researchers want to see if the brush method helps doctors find Barrett's esophagus or early warning signs of …

This study aims to find out how many children in the Czech Republic, aged 8-9 and 12-13, have symptomatic gastroesophageal reflux disease (GERD). Researchers will recruit 1,000 children through schools and ask them to complete an online questionnaire about reflux symptoms. Those …

This study is testing whether a device called EndoFLIP can predict who will develop acid reflux after sleeve gastrectomy, a common weight-loss surgery. Researchers will measure the flexibility and function of the valve between the stomach and esophagus in 200 adults before surger…

This study compares a new orally disintegrating form of Trimedat (trimebutine) to the standard tablet in 36 healthy adults. The goal is to see if the new version is absorbed similarly and is safe. This trial does not treat any disease; it only gathers data on how the drug behaves…

This study is looking at whether people who take proton pump inhibitors (PPIs) for heartburn or acid reflux develop an overgrowth of bacteria in the small intestine. Researchers will use a simple breath test to check for this condition. The goal is to learn how common this proble…

This study aims to understand how the throat and esophagus normally prevent stomach contents from reaching the throat in people with GERD. Researchers will use a thin tube with sensors placed through the nose to measure pressure, acid, and liquid movement, along with a tiny camer…

This study is following 2000 adults with functional digestive disorders like irritable bowel syndrome, dyspepsia, and constipation. Researchers will collect medical data and biological samples (biopsies, blood, urine, stool) during routine care. The goal is to find markers that c…

This study follows 320 people who had omega gastric bypass surgery 10 years ago to compare long-term side effects between two surgical techniques (150 cm vs 200 cm loop). Researchers will check for serious complications, nutritional problems, and weight loss. The goal is to deter…

This study aims to find out how common acid reflux symptoms are in children with cystic fibrosis. Researchers will use a symptom questionnaire and, for some children, will stop their reflux medication to see if symptoms get worse. About 20 children aged 2 to 18 will take part.

This study is following 10,000 adults with heart valve disease to see how their condition changes over time. Researchers will use scans, blood tests, and health records to track progression and the effects of treatments like surgery or medication. The goal is to better predict ou…