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
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