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The Interaction Between Calcium and Vitamin D Intake — PTH Modified  

Osteoporosis Clinical Trial

Official title:
The Interaction Between Calcium and Vitamin D Intake

Clinical Trial Summary

We will study the relative importance of high calcium intake and vitamin D supplementation for calcium homeostasis, as determined by serum parathyroid hormone (PTH) and biochemical bone markers. We also intend to examine the interaction of vitamin D and calcium intake on calcium homeostasis. We hypothesize that optimal calcium supplementation and optimal vitamin D supplementation will lead to lower serum levels of PTH and markers of bone resorption compared with the placebo. We also theorize that when taken together, optimal calcium supplementation and optimal vitamin D intake will result in lower serum levels of PTH and bone markers compared with calcium or vitamin D taken alone.

Clinical Trial Description

n/a

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00762775
Study type Interventional
Source Winthrop University Hospital
Contact
Status Completed
Phase N/A
Start date November 2008
Completion date June 2011
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