NCT00575835

Oral Vitamin D Supplementation in Elderly Women

Oral Vitamin D Supplementation in Elderly Women: Twice a Day or Three Times a Year? A Randomised Controlled Trial

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 40 (actual)
• Sponsor: University of Helsinki · Academic / Other
• Sex: Female
• Age: 70 Years – 80 Years
• Healthy volunteers: Accepted

Summary

The aim of this study is to compare oral vitamin D supplementation administered in two different ways, namely either twice a day (800IU/d, 292000IU/y) or three times a year (97333IU every 4 months, 292000IU/y) in elderly women in combination with daily supplementation of calcium 1 gram. We will 1)compare the blood concentrations of 25 OH vitamin D in the two treatment groups amd monitor if a sufficient and safe concentration of 25OH D in blood can be maintained with these two treatments.2) Find out seasonal variation in vitamin D concentrations in these treatments. 3) Find out safety of these treatments

Conditions

• Optimal Vitamin D Administration

Interventions

Type	Name	Description
DIETARY_SUPPLEMENT	vitamin D twice daily	Kalsipos-D, vitamin D3 400 ID/tbl, 2 tbl/day for one year
DIETARY_SUPPLEMENT	Vitamin D3 oil three times in a year	Vigantol oil , D3 20000IU/ml, 4.9 ml every four months for one year

Timeline

• Start date: 2006-10-01
• Completion: 2007-10-01
• First posted: 2007-12-18
• Last updated: 2008-01-08

Locations

1 site across 1 country: Finland