Change in serum 25-hydroxy vitamin D after 15 minutes of noontime sunlight exposure twice a week in Thai healthy volunteers: A randomized controlled trial.

Not Applicable

Completed

• Conditions: Serum 25- hydroxy vitamin D level; 25- hydroxy vitamin D; 25(OH)vitamin D; Ultraviolet BUVB

• Registration Number: TCTR20190224002
• Lead Sponsor: ational Science and Technology Development Agency

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Completion: 2015-12-31
• Study Start: 2019-02-24
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 25

Inclusion Criteria

Age 18-70 years
Healthy

Exclusion Criteria

Pregnancy or breast feeding women
Skin disease, non-melanoma skin cancer, photosensitivity diseases
Renal, liver, thyroid or bone diseases
Vitamin D supplement within 3 months
Sunbath within 3 months

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
25-hydroxy vitaminD3 level 8 weeks Serum 25-hydroxy vitaminD3 level measure by LCMS-MS technique

Secondary Outcome Measures

Name	Time	Method
Skin lightness, melanin and erythema index, side effect 8 weeks Coloremeter