Clinical trials: Stomach Acidity
Obesity, Diabetes
The Effect of Macronutrients in the Diet on Digestive and Cardiovascular Health
This study examined the effect of a 5-day HFD supplemented with specific fatty acids on gastrointestinal transit, appetite, food intake and substrate utilization.
- Conditions
- Obesity, Diabetes, Cardiovascular Diseases
- Trial name
- NCT01510223
- Testing
- Olive oil, Olive oil and fish powder, Olive oil and macadamia oil
- Where
- Ireland
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Limerick
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
Vitamin B-12 Deficiency, Achlorhydria
Cobalamin Absorption From Fortified Food
To determine B12 bioavailability from 14C-B12 fortified bread in healthy subjects and in subjects with proton pump inhibitor induced achlorhydria.
- Trial name
- FL-72 (NCT01399164)
- Testing
- 14C-B12 fortified bread
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
Osteoporosis
The Effect of Protein on Calcium Absorption and Gastric Acid Production
We have established that dietary protein is an important regulator of intestinal calcium absorption in humans. However, we do not understand the mechanism by which dietary protein is affecting calcium absorption.
- Trial name
- NCT00719160
- Testing
- esomeprazole
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Yale University
Obesity
Effects of Roux-en-Y Gastric Bypass on Gastro-intestinal Hormone Secretion and Brain Responses Food Pictures
This is a cross-sectional study enrolling 11 weight-stable, formerly obese female patients 1-5 years after Roux-en-Y gastric Bypass (RYGB) 11 age- and weight-matched female subjects 10 normal weight (Body Mass Index 19-25 kg/m2)…
- Trial name
- NCT02160379
- Testing
- standard test meal
- Where
- Switzerland
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- University of Lausanne
Branched-chain Amino Acid Metabolism, Insulin Sensitivity
Regulation of Branched-chain Amino Acid Metabolism in Pre-Diabetes
Elevated circulating levels of certain amino acids (the building blocks of protein) are strongly associated with insulin resistance.
- Trial name
- BCAAM-PD (NCT01786941)
- Testing
- Pre-Diabetes Group - 6-mo Aerobic and Resistance combined exercise training, GBP Group - Non-diabetics intending to undergo Gastric Bypass surgery
- Where
- United States
- Volunteers
- 132 people, healthy volunteers welcome
- Sponsor
- Duke University
Gastric Acid-related Diseases, Healthy
Comparison Study Between C13-CAC Breath Test and 24-hour Gastric pH Monitoring
The purpose of this study is to compare C13-CAC Breath Test with 24-hour Gastric pH Monitoring in Patients with Gastric Acid-related Diseases and Healthy Volunteers
- Trial name
- NCT02225067
- Testing
- Calcium (13C)Carbonate
- Where
- Japan
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Otsuka Pharmaceutical Co., Ltd.
Cardiovascular Risk Factor
The Acute Effects of Meals Rich in Saturated or Unsaturated Fatty Acids on Postprandial Lipaemia in Healthy Men
Current dietary recommendations suggest that lowering intake of saturated fats or replacing it with unsaturated fats will decrease the risk of developing cardiovascular disease.
- Trial name
- CocoHeart (NCT05264233)
- Testing
- Coconut oil, Butter, Vegetable oil
- Where
- United Kingdom
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- University of Reading
Pharmacokinetics
Relative Bioavailability of ESK-001 Tablet Versus Liquid in Healthy Participants
This is a single-center, in-house, open-label, crossover study in 15 healthy participants.
- Trial name
- NCT05330858
- Testing
- ESK-001, Rabeprazole
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Alumis Inc
Healthy Participants
Comparing the Extent to Which Three Different Formulations of LY4100511 (DC-853) Are Made Available in the Body, Alone and in the Presence of a Drug That Reduces Stomach Acid
The main purpose of this study is to compare the bioavailability of 3 different formulations of LY4100511 and if the use of a proton pump inhibitor (PPI) alters the bioavailability of the 3 different formulations.
- Trial name
- NCT06916143
- Testing
- LY4100511, Rabeprazole
- Where
- 2 sites in United States
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Eli Lilly and Company
Healthy Volunteers
A Study to Assess the Effect of Famotidine on the Drug Levels of Afimetoran in Healthy Participants
The purpose of this study is to confirm there is no significant effect of gastric pH changes of famotidine on the drug levels of afimetoran in healthy participants.
- Trial name
- NCT05866627
- Testing
- Famotidine, Afimetoran
- Where
- United Kingdom
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Bristol-Myers Squibb
Healthy
A Study to Evaluate the Effect on 24-hour, Intragastric pH of RAB ER 50-mg Capsules Compared With Esomeprazole (Nexium) 40 mg Capsules and Rabeprazole (Aciphex) 20-mg Tablets
This will be a randomized, open-label, single-center, 3-way crossover study in healthy subjects who are confirmed to be Helicobacter pylori (H. pylori)-negative.
- Trial name
- NCT01153659
- Testing
- E3810, Aciphex (rabeprazole), Nexium (esomeprazole)
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Eisai Inc.
Esophagitis, Gastro Oesophageal Reflux Disease
Clinical Investigation to Assess the Acid Neutralisation Activity of a Calcite Chewing Gum
This investigation is designed to evaluate the acid neutralisation action of a new test product versus unmatched placebo.
- Trial name
- NCT05129670
- Testing
- Calcite chewing gum
- Where
- Ireland
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Reckitt Benckiser Healthcare (UK) Limited
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
Healthy Volunteers
A Study to Compare How CHF10196 (Florensocatib) is Absorbed Into the Blood When Given Alone and With a Drug That Reduces Stomach Acid in Healthy Male Participants
This Phase 1 study evaluates the effect of pantoprazole (a proton pump inhibitor) on the pharmacokinetics (PK) of CHF10196 (Florensocatib) in healthy male participants.
- Trial name
- NCT07683793
- Testing
- CHF10196, Pantoprazole
- Where
- United Kingdom
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Chiesi Farmaceutici S.p.A.
Thoracic Cancer, Ovarian Cancer
Project CADENCE (CAncer Detected Early caN be CurEd)
With existing evidence showing the difference in miRNA expression levels between non-cancer and cancer groups, the investigators assume that levels of DNA methylation, RNA expression as well as protein concentration will also be…
- Conditions
- Thoracic Cancer, Ovarian Cancer, Liver Cancer, Prostate Cancer
- Trial name
- CADENCE (NCT05633342)
- Where
- Singapore
- Volunteers
- 15,000 people, healthy volunteers welcome
- Sponsor
- MiRXES Pte Ltd
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
Healthy
The Effect of Obeticholic Acid in Healthy Volunteers
This study investigates whether obeticholic acid affects gut microbiota, gastric motility, accommodation, and gastrointestinal peptide in healthy subjects. This study is a single-blind, placebo-controlled, randomized study.
- Trial name
- OCARINA (NCT05740631)
- Testing
- Ocaliva
- Where
- Belgium
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Metastatic Cancer, Foregut Carcinoid Tumor
Study Comparing Standard of Care Chemotherapy With/ Without Sequential Cytoreductive Surgery for Patients With Metastatic Foregut Cancer and Undetectable Circulating Tumor-Deoxyribose Nucleic Acid Levels
This study is designed for participants who have cancer of the upper gastrointestinal (GI) tract such as cancer of the esophagus, stomach, duodenum (the initial portion of your small intestine), pancreas, bile duct…
- Conditions
- Metastatic Cancer, Foregut Carcinoid Tumor, Gastric Adenocarcinoma, Gallbladder Adenocarcinoma
- Trial name
- NCT04931420
- Testing
- Standard of Care Chemotherapy, Video-Assisted Thoracic Surgery (VATS), Lobectomy
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Chicago
Peptic Ulcer Disease
Study Comparing Esomeprazole and Acetylsalicylic Acid (ASA) Combined Together as One Capsule Versus These Medications Taken Separately
The purpose of this study is to investigate whether treatment with a combination capsule of Esomeprazole 40 mg and Aspirin (ASA) 325 mg is bioequivalent (i.e.has the same effect within the body) as these medications taken…
- Trial name
- NCT00998075
- Testing
- Esomeprazole/ASA Fixed Combination, Esomeprazole - Nexium, ASA
- Where
- Canada
- Volunteers
- 138 people, healthy volunteers welcome
- Sponsor
- AstraZeneca