Clinical trials: Stomach Acidity
Laryngomalacia, Gastro Esophageal Reflux
Initiation of Acid Suppression Therapy Prospective Outcomes for Laryngomalacia
Laryngomalacia (LM) is the most common cause of stridor in infants. Symptoms of gastroesophageal reflux (GER) are often seen in the setting of LM; therefore, acid suppression therapy (AST) has been empirically used in the…
- Trial name
- NCT04614974
- Testing
- Famotidine, Speech Language Therapy
- Where
- United States
- Volunteers
- 65 people
- Sponsor
- Reema Padia
Gastroparesis, Gastroesophageal Reflux Disease
Pharmacokinetics of Immediate-Release vs. Delayed-Release Omeprazole in Gastroparesis
The purpose of this study is to compare the blood drug levels of two prescribed medications, immediate-release omeprazole 40 mg powder and delayed-release omeprazole 40 mg capsule to determine which drug is better absorbed in…
- Trial name
- NCT00492622
- Testing
- Immediate-release omeprazole, Delayed-release omeprazole
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- University of Louisville
Pulmonary Disease, Chronic Obstructive
GSK1325756 Relative Bioavailability Study in Healthy Elderly Subjects
This 2-part study will be carried out on healthy elderly subjects to evaluate relative bioavailability of danirixin formulations.
- Trial name
- NCT03457727
- Testing
- Danirixin, Omeprazole
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Gastric Acid, Human Experimentation
A Pharmacodynamic Study Comparing Zegerid® and Prilosec OTC® (Study CL2008-02)(P07814)(COMPLETED)
Open-label randomized crossover design study. 60 participants will be evaluated on Day 1 to compare effects on stomach acid; 30 participants will continue treatment for 7 days and will have repeat evaluations at Day 7.
- Trial name
- NCT00765206
- Testing
- Omeprazole/sodium bicarbonate, omeprazole magnesium (20 mg equivalent)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Bayer
Irritable Bowel Syndrome
Effect of Cannabinoid Agonist on Gastrointestinal and Colonic Motor Functions in Patients With Irritable Bowel Syndrome (IBS)
Irritable bowel syndrome (IBS) affects about 15% of the U.S. population. There are still no effective and safe medications approved for the treatment of abdominal pain associated with bowel symptoms in IBS.
- Trial name
- NCT01253408
- Testing
- Dronabinol
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- Mayo Clinic
Gastroesophageal Reflux
Efficacy of Dexlansoprazole MR on Heartburn Control in Participants Previously Receiving Twice Daily Proton Pump Inhibitor Therapy
The purpose of this study is to determine if patients with well-controlled heartburn symptoms on twice-daily proton pump inhibitor therapy remain well-controlled after stepping down to once-daily (QD) dexlansoprazole modified…
- Trial name
- NCT00847808
- Testing
- Dexlansoprazole MR QD
- Where
- 52 sites in United States
- Volunteers
- 178 people
- Sponsor
- Takeda
Gastric Ulcer, Duodenal Ulcer
Study of Esomeprazole 20 mg or 40 mg vs Placebo Effectiveness on the Occurrence of Peptic Ulcers in Subjects on Low Dose Acetylsalicylic Acid (LDA)
The purpose of this study is to compare the effect of esomeprazole 20 or 40 mg once daily versus placebo on the occurrence of peptic ulcers during 26 weeks in subjects on continuous low-dose acetylsalicylic acid.
- Trial name
- Oberon (NCT00441727)
- Testing
- Esomeprazole 40 mg, Esomeprazole 20 mg
- Where
- 189 sites in United States, Argentina and 18 more
- Volunteers
- 2,426 people
- Sponsor
- AstraZeneca
Stomach Cancer, Gastric Cancer
Preoperative Chemo and Chemoradiotherapy for Adenocarcinoma of the Stomach and Gastroesophageal Junction (GEJ)
The goal of this clinical research study is to learn if a combination of 5-FU, Folinic Acid and Oxaliplatin, given with radiation therapy, is effective in the treatment of gastric or gastroesophageal cancers that will be removed…
- Trial name
- NCT00525785
- Testing
- 5-Fluorouracil, Folinic Acid, Oxaliplatin
- Where
- United States
- Volunteers
- 58 people
- Sponsor
- M.D. Anderson Cancer Center
Healthy, Barrett's Esophagus
Pilot Study to Image the Esophagus Using a SECM Tethered Endoscopic Capsule
The goal of this research is to test the imaging quality of the modified, larger diameter, tethered Spectrally Encoded Confocal Microscopy (SECM) capsule in healthy subjects, subjects with Barrett's Esophagus (BE), and subjects…
- Conditions
- Healthy, Barrett's Esophagus, Gastric Acid Reflux
- Trial name
- SECM (NCT02445014)
- Testing
- MGH SECM Imaging Capsule
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Osteoporosis, Achlorhydria
Does Omeprazole Decrease Intestinal Calcium Absorption?
The purpose of this study is to measure the effect of omeprazole on intestinal calcium absorption in postmenopausal women.
- Conditions
- Osteoporosis, Achlorhydria, GERD, Hip Fracture
- Trial name
- NCT00582972
- Testing
- Omeprazole
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Stomach Neoplasms, Metaplasia
Acetic Acid Chromoendoscopy to Judge Gastric Intestinal Metaplasia
The presence and the extent of gastric intestinal metaplasia(IM) is a good indicator of high risk group of gastric cancer. Many methods was developed to survey it, including multiple gastric biopsy or methylene blue…
- Trial name
- IM (NCT01499576)
- Testing
- Acetic acid chromoendoscopy
- Where
- South Korea
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- Konyang University Hospital
Pharmacodynamic
Study of the Ability of Betaine Hydrochloride to Increase Stomach Acid in Healthy Volunteers
In this study the investigators will test a nutritional supplement called betaine hydrochloride to see if it can temporarily increase the stomach acid in healthy volunteers who have decreased stomach acid because they take a…
- Trial name
- NCT01237353
- Testing
- betaine hydrochloride, Rabeprazole
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Gastro-oesophageal Reflux
A Study to Compare the Number of Patients With Gastro-Oesophageal Reflux Disease (GORD) Achieving Heartburn and Regurgitation Symptom Resolution After Treatment With Either Rabeprazole Sodium 20mg, Esomeprazole 20mg or Esomeprazole 40mg
The primary objective of this study is to compare, the number of patients with heartburn and regurgitation symptom resolution after treatment with either rabeprazole 20 mg, esomeprazole 20 mg or esomeprazole 40 mg.
- Trial name
- NCT00464308
- Testing
- Esomeprazole, Rabeprazole
- Where
- 25 sites in Australia
- Volunteers
- 1,392 people
- Sponsor
- Janssen-Cilag Pty Ltd
Intragastric Acidity
Pharmacodynamic Study Comparing the Effects of Two Different Forms of Omeprazole (P07812) (COMPLETED)
This randomized, crossover study is to evaluate the early effectiveness, defined as effect on intragastric pH during the first 4 hours after dosing, of Zegerid, Prilosec over-the-counter (OTC) Tablets, and placebo on the 4th day…
- Trial name
- NCT01077076
- Testing
- Zegerid, Prilosec OTC™ Tablets
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Bayer
Infection, Achlorhydria
Clinical Experiment of Helicobacter Pylori Transmission
The study proposes to test whether chronic infection with Helicobacter pylori protects individuals from symptomatic infection with enteropathogenic E. coli.
- Trial name
- NCT00550368
- Testing
- Biological intervention: Enteropathogenic E. coli
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Stanford University
Gastro Oesophageal Reflux Disease
Study Comparing Fexuprazan and Esomeprazole in Patients With Gastroesophageal Reflux Disease
The goal of this clinical trial was to evaluate the effectiveness and safety of fexuprazan 40 mg for relieving symptoms of gastroesophageal reflux disease (GERD) in adults.
- Trial name
- NCT07326904
- Testing
- Fexuprazan, Esomeprazole
- Where
- 3 sites in Indonesia
- Volunteers
- 145 people
- Sponsor
- Universitas Indonesia
Post-tonsillectomy Pain, Post-tonsillectomy Activity
The Effects of Reducing Stomach Acid on Post-tonsillectomy Pain
This study was designed to determine whether post-operative pain following a tonsillectomy can be reduced by adding an antacid-like medication to the medications taken after surgery.
- Conditions
- Post-tonsillectomy Pain, Post-tonsillectomy Activity, Post-tonsillectomy Hydration
- Trial name
- NCT00472186
- Testing
- Lansoprazole
- Where
- 2 sites in United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Boston Children's Hospital
Gastroesophageal Reflux Disease, Dyspepsia
Compound Sodium Alginate Double Action Chewable Tablet Symptomatic Relief Study
This study is being conducted to provide evidence that Compound Sodium Alginate Double Action Chewable Tablets are effective in managing the symptoms of heartburn, acid regurgitation and dyspepsia in patients with…
- Trial name
- NCT01869491
- Testing
- Compound Sodium Alginate Double Action Chewable Tablets
- Where
- 2 sites in China
- Volunteers
- 1,107 people
- Sponsor
- Reckitt Benckiser Healthcare (UK) Limited
Clostridium Difficile
Effects of Gastric Acid on Colonic Microbiome
The colonic microbiome is essential in human health and disease. Clostridium difficile-associated diarrhea (CDAD), a highly morbid form of infectious diarrhea, is caused by antibiotics which perturb the microbiome and allow C.
- Trial name
- NCT01901276
- Testing
- Omeprazole 40 mg bid
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Daniel Freedberg, MD
GERD Gastroesophageal Reflux Disease
The CALIBER Study Randomized Controlled Trial of LINX Versus Double-Dose Proton Pump Inhibitor Therapy for Reflux Disease
This study compares mechanical sphincter augmentation (LINX Reflux Management System) to double-dose proton pump inhibitors (PPIs) for the management of reflux symptoms related to gastroesophageal reflux disease (GERD).
- Trial name
- CALIBER (NCT02505945)
- Testing
- Omeprazole, LINX Reflux Management System
- Where
- 21 sites in United States
- Volunteers
- 152 people
- Sponsor
- Torax Medical Incorporated