Synthesis of vitamin-D3 in the skin after UV-radiation under various conditions (spectrum, intensity of radiation, dose, skin area) with regard to radiation protection requirements and sunblock application.

Not Applicable

• Conditions: vitamin D deficiency in obese; E55; Vitamin D deficiency

• Registration Number: DRKS00009001
• Lead Sponsor: Charité Campus Charité Mitte

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Completion: 2013-07-29
• Study Start: 2016-01-07
• Results First Posted: 2017-02-10
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Complete
• Sex: All
• Target Recruitment: 112

Inclusion Criteria

skin type II, III

Exclusion Criteria

skin diseases, renal failure, autoimmune diseases, previous stay in country with high sunlight radiation, oral vitamin D intake, or solarium visits within the last six months

Study & Design

• Study Type: interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Increase in 25-OH-vitamin D3 serum level between baseline (day 1) and follow-up (day 8).

Secondary Outcome Measures

Name	Time	Method
Increase in 1,25-OH-vitamin D3 serum level between baseline (day 1) and follow-up (day 8).