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Brief Title: The Vitamin D Dose-Response Relationship
Official Title: Vitamin D Production Depends on Ultraviolet-B Dose But Not on UV-intensity. A Randomized Controlled Trial
Study ID: NCT01074541
Brief Summary: The purpose of the study is to determine the importance of the UV intensity and the UVB dose on the Vitamin D response after UVB.
Detailed Description: The work is addressing vitamin D production after UVB exposure and explore the importance of UVB dose and UV intensity. Four different UVB doses and four different UV intensities are used to explore these relationships. Many assumptions have been made concerning the vitamin D production after UVB exposure but only few studies exist.
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: Yes
Bispebjerg Hospital, Department of Dermatology, Copenhagen NV, NV, Denmark
Name: Hans Christian Wulf, Professor
Affiliation: Bispebjerg Hospital, Deparment of Dermatology
Role: STUDY_CHAIR