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ClinicalTrials.gov public records Last synced Jul 22, 2026, 6:02 AM EDT

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Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Does Omeprazole Decrease Intestinal Calcium Absorption?

NCT00582972
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
Completed No phase listed Observational Accepts healthy volunteers

Calcium Absorption in Postmenopausal Thai Women

NCT02291315
Conditions
Fractional Calcium Absorption
Interventions
Not listed
Lead sponsor
Cornell University
Other
Eligibility
53 Years to 65 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Ithaca, New York
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Does Treatment of Hypovitaminosis D Increase Calcium Absorption?

NCT00581828
Conditions
Osteoporosis, Osteopenia, Vitamin D Deficiency, Hypoparathyroidism, Hypercalciuria, Hypercalcemia
Interventions
Vitamin D
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
50 Years to 66 Years · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Madison, Wisconsin