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Clinical Trial Summary

The purpose of the study is to evaluate if supplementation with vitamin D in doses of 20.000IU per week and 40.000 IU per week will result in weight loss in obese subjects as compared to placebo during 1 year.


Clinical Trial Description

We will include 450 obese subjects that will be devided in 3 groups: 40.000IU cholecalciferol per week, 20.000 IU cholecalciferol per week, and placebo. All subjects will be given 500 mg calcium per day. There will be visits every tird month. In addition to weight reduction, we will also evaluate the calcium metabolism (blood test and urin samples), insulin sensitivity, muscle strenght, blood pressure and depression. ;


Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double-Blind, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00243256
Study type Interventional
Source University of Tromso
Contact
Status Completed
Phase Phase 2
Start date November 2005
Completion date December 2007

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