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OpenTrials
Completed

NCT Number: NCT01139840

Relative Efficacy of Vitamins D2 and D3 in Adult Humans

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

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Key information

Conditions

Healthy

Age range

21 year–65 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Creighton University Medical Center

Omaha, Nebraska, 68131, United States

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

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

Treatment and study plan

Vitamin D2

Dietary Supplement

Study Supplement

Vitamin D3

Dietary Supplement

Study Supplement

Primary outcomes

  1. AUC for increment in serum 25(OH)D

    Time frame: 12 weeks

Secondary outcomes

  1. change in vitamin D content of subcutaneous fat

    Time frame: 12 weeks

Sponsors and collaborators

Lead sponsor

Creighton University

Other

Collaborators

  • BTR Group
  • Health Future Foundation

Registry information

Official study title

Vitamin D Status: Relative Efficacy of Vitamins D2 and D3

Important dates

Study start
2010
Primary completion
2010
Study completion
2010
First posted
Jun 9, 2010
Registry last updated
Oct 31, 2011

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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