search

Active clinical trials for "Achlorhydria"

Results 1-6 of 6

Assessment of Gastric pH Changes Induced by Ascorbic Acid Tablets

Hypochlorhydria

This study evaluates the use of ascorbic acid, vitamin C, to temporary reduce gastric pH in individuals with omeprazole induced hypochlorhydia. All participants will receive ascorbic acid tablets to measure the change in gastric pH.

Recruiting9 enrollment criteria

Study to Evaluate Effects of Food or Proton Pump Inhibitor on the Pharmacokinetics of Itraconazole...

Achlorhydria

The aim of this study is to evaluate the effects of food or proton pump inhibitor on the pharmacokinetics of itraconazole in healthy volunteers.

Completed22 enrollment criteria

Does Omeprazole Decrease Intestinal Calcium Absorption?

OsteoporosisAchlorhydria2 more

The purpose of this study is to measure the effect of omeprazole on intestinal calcium absorption in postmenopausal women.

Completed8 enrollment criteria

Clinical Experiment of Helicobacter Pylori Transmission

InfectionAchlorhydria

The study proposes to test whether chronic infection with Helicobacter pylori protects individuals from symptomatic infection with enteropathogenic E. coli. The study will also evaluate the effect of gastric acidity in this relationship.

Completed0 enrollment criteria

Cobalamin Absorption From Fortified Food

Vitamin B-12 DeficiencyAchlorhydria

To determine B12 bioavailability from 14C-B12 fortified bread in healthy subjects and in subjects with proton pump inhibitor induced achlorhydria.

Completed11 enrollment criteria

Evaluating Patients With Abnormal Levels of Gastric Acid

AchlorhydriaGastrinoma1 more

This study is used by the Digestive Diseases Branch to evaluate patients with suspected abnormalities in the secretion of gastric acid. The level of gastric acid is measured by analyzing the gastric juices of each individual patient. The gastric acid sample is obtained by a procedure known as nasogastric suctioning, where a thin plastic tube is passed from the nose to the stomach. Depending on the patient's present condition further diagnostic testing may be required to achieve a diagnosis.

Completed1 enrollment criteria
1

Need Help? Contact our team!


We'll reach out to this number within 24 hrs