Association between serum concentrations of chemicals, sun exposure, and vitamin D

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

CRIS

Registry ID

KCT0002671

Enrollment

Registered

2018-01-26

Start date

2016-07-04

Completion date

Unknown

Last updated

2019-03-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Behavioral, Dietary Supplement : Randomized allocation of sixty study participants to daily living group (n=20), sun exposure group (n=20), and vitamin D group(n=20). (1) daily living group: usual dai

of body surface area during daytime during 1 month (3) vitamin D supplement group: consuming approximately 800 IU of vitamin D supplements daily during 1 month

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: - 20~50 year-old adult who lives in Daegu Metropolitan City and who agrees with the purpose of the study -Vitamin D <20 ng/ml at screening test

Exclusion criteria

Exclusion criteria: - Vitamin D=20 ng/ml at screening test - current taking vitamin D supplements for the prevention or treatment of vitamin D deficiency - sensitive to sunlight (e.g., systematic lupus erythematosus) - contraindication for vitamin D supplements - uncontrolled endocrine disease such as diabetes - abnormal liver or kidney function - during nancy or breastfeeding - history of skin cancer or high risk for skin cancer

Design outcomes

Primary

Measure	Time frame
Change in 25(OH)VitD levels in serum;Change in Vitamin D levels according to the concentrations of organochlorine pesticides in serum	—

Secondary

Measure	Time frame
Change in 1,25(OH)2D levels in serum	—

Countries

Korea, Republic of

Contacts

Public ContactYu-Mi Lee

Kyungpook National University

for2ej2@hanmail.net+82-53-420-4862

Outcome results