- Conditions
- Osteoporosis, Achlorhydria, GERD, Hip Fracture
- Interventions
- Omeprazole
- Drug
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- Female only
- Enrollment
- 23 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2010
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
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- Conditions
- Vitamin B-12 Deficiency, Achlorhydria
- Interventions
- 14C-B12 fortified bread
- Other
- Lead sponsor
- USDA, Western Human Nutrition Research Center
- Federal
- Eligibility
- 60 Years and older
- Enrollment
- 6 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2013
- U.S. locations
- 1
- States / cities
- Davis, California
- Conditions
- Hypochlorhydria
- Interventions
- Omeprazole 20mg, Vitamin C
- Drug · Dietary Supplement
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 18 Years to 30 Years · Male only
- Enrollment
- 11 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- Achlorhydria, Gastrinoma, Zollinger Ellison Syndrome
- Interventions
- Not listed
- Lead sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- NIH
- Eligibility
- Not listed
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1989 – 2004
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Infection, Achlorhydria
- Interventions
- Biological intervention: Enteropathogenic E. coli
- Biological
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 35 Years to 59 Years
- Enrollment
- 45 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2009
- U.S. locations
- 1
- States / cities
- Stanford, California