Relative Efficacy of Vitamins D2 and D3 in Adult Humans

Not Applicable

Completed

• Conditions: Healthy
• Interventions: Dietary Supplement: vitamin D2; Dietary Supplement: vitamin D3

• Registration Number: NCT01139840
• Lead Sponsor: Creighton University

Brief Summary

Vitamin D2 in chronic dosing will produce less of an elevation of serum 25(OH)D than will the same dose of vitamin D3.

Detailed Description

Not available

Study Timeline

• Study Start: 2010-01
• Study First Submitted: 2010-06-07
• Study First Submitted QC: 2010-06-08
• Study First Posted: 2010-06-09
• Primary Completion: 2010-08
• Study Completion: 2010-09
• Status Verified: 2011-10
• Last Update Submitted: 2011-10-27
• Last Update Posted: 2011-10-31

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 32

Inclusion Criteria

• willingness to withhold supplement use for duration of study
• willingness to avoid sun exposure for duration of study

Exclusion Criteria

• vitamin D supplement use
• conditions that affect vitamin D metabolism by the body

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
vitamin D2	vitamin D2	-
vitamin D3	vitamin D3	-

Primary Outcome Measures

Name	Time	Method
AUC for increment in serum 25(OH)D	12 weeks

Secondary Outcome Measures

Name	Time	Method
change in vitamin D content of subcutaneous fat	12 weeks

Trial Locations

Locations (1)

Creighton University Medical Center; 🇺🇸 Omaha, Nebraska, United States