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Achlorhydria clinical trials

View clinical trials related to Achlorhydria.

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NCT ID: NCT01399164 Completed - Achlorhydria Clinical Trials

Cobalamin Absorption From Fortified Food

FL-72
Start date: January 2010
Phase: N/A
Study type: Interventional

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

NCT ID: NCT00582972 Completed - Osteoporosis Clinical Trials

Does Omeprazole Decrease Intestinal Calcium Absorption?

Start date: January 2008
Phase: Phase 4
Study type: Interventional

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

NCT ID: NCT00550368 Completed - Infection Clinical Trials

Clinical Experiment of Helicobacter Pylori Transmission

Start date: August 2005
Phase: N/A
Study type: Interventional

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.

NCT ID: NCT00001240 Completed - Gastrinoma Clinical Trials

Evaluating Patients With Abnormal Levels of Gastric Acid

Start date: January 1989
Phase: N/A
Study type: Observational

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.