Osteopenia Clinical Trial
Official title:
Using Ca-41 Methodology to Assess the Impact of Different Vitamin D Supplementation Levels on Postmenopausal Bone Health
The purpose of this study is to determine whether increasing levels of serum 25(OH)Vitamin D as achieved by oral supplementation higher than the current recommendations are associated with a less negative bone calcium balance in post-menopausal Swiss women.
In a substudy - not related to the vitamin D intervention - spot and 24 h urine samples are
compared with regard to the assessment of iodine status in Swiss post-menopausal women.
In an short subsequent study using five of the subjects who participated in the original
trial, the effect of a 40 d-exercise program (rebounding on a trampoline) on Ca-41 excretion
will be observed.
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Endpoint Classification: Pharmacokinetics Study, Intervention Model: Single Group Assignment, Masking: Single Blind (Subject), Primary Purpose: Prevention
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