Clinical trials: Achlorhydria
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, 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
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
Achlorhydria, Gastrinoma
Evaluating Patients With Abnormal Levels of Gastric Acid
This study is used by the Digestive Diseases Branch to evaluate patients with suspected abnormalities in the secretion of gastric acid.
- Conditions
- Achlorhydria, Gastrinoma, Zollinger Ellison Syndrome
- Trial name
- NCT00001240
- Where
- United States
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Achlorhydria
Study to Evaluate Effects of Food or Proton Pump Inhibitor on the Pharmacokinetics of Itraconazole in Healthy Volunteers
The aim of this study is to evaluate the effects of food or proton pump inhibitor on the pharmacokinetics of itraconazole in healthy volunteers.
- Trial name
- NCT04942652
- Testing
- Itraconazole 200 mg, Esomeprazole 40 mg
- Where
- South Korea
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Hypochlorhydria
Assessment of Gastric pH Changes Induced by Ascorbic Acid Tablets
This study evaluates the use of ascorbic acid, vitamin C, to temporary reduce gastric pH in individuals with omeprazole induced hypochlorhydria.
- Trial name
- NCT04199624
- Testing
- Omeprazole 20mg, Vitamin C
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Indiana University