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Relative Efficacy of Vitamins D2 and D3 in Adult Humans

Information source: Creighton University
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Healthy

Intervention: vitamin D2 (Dietary Supplement); vitamin D3 (Dietary Supplement)

Phase: N/A

Status: Completed

Sponsored by: Creighton University

Official(s) and/or principal investigator(s):
Robert P Heaney, MD, Principal Investigator, Affiliation: Creighton University

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.

Clinical Details

Official title: Vitamin D Status: Relative Efficacy of Vitamins D2 and D3

Study design: Allocation: Randomized, Endpoint Classification: Bio-equivalence Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Prevention

Primary outcome: AUC for increment in serum 25(OH)D

Secondary outcome: change in vitamin D content of subcutaneous fat

Eligibility

Minimum age: 21 Years. Maximum age: 65 Years. Gender(s): Both.

Criteria:

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

Locations and Contacts

Creighton University Medical Center, Omaha, Nebraska 68131, United States
Additional Information

Starting date: January 2010
Last updated: October 27, 2011

Page last updated: August 23, 2015

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