Effect of Vitamin D2 and Vitamin D3 on serum 25-hydroxyvitamin D and parathyroid concentrations in healthy adult participants

Not Applicable

Completed

• Conditions: Evaluating the relative potencies of equal molar doses of vitamin D2 and D3; Diet and Nutrition - Other diet and nutrition disorders

• Registration Number: ACTRN12609000273280
• Lead Sponsor: niversity of Otago, Department of Human Nutrition

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2009-05-15
• Last Update Posted: 13 January 2020

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 90

Inclusion Criteria

Healthy males and females

Exclusion Criteria

Body mass index greater than 27kg/m2
Chronic liver and kidney disease
Individuals taking medication, including anticonvulsants, glucocorticoids and barbiturates that might affect vitamin D metabolism
Individuals who are currently taking a vitamin D supplement

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
serum 25-hydroxyvitamin D, measured in blood, by liquid chromatography mass spectrometry[baseline, week4, week8, week12, 6 months after intervention commencement]

Secondary Outcome Measures

Name	Time	Method
parathyroid hormone, measured in blood by electrochemiluminescence immunoassay (ELECSYS)[baseline, week4, week8, week12, 6 months after intervention commencement]