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Clinical Trials/NCT03310242
NCT03310242
Completed
Not Applicable

Comparison of Sunlight Exposure and Oral Vitamin D Supplementation on Serum 25-hydroxyvitamin D Concentration and Metabolic Markers in Korean Young Adults: a Randomized Clinical Trial

Seoul National University Hospital0 sites150 target enrollmentJune 1, 2015
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ConditionsVitamin D DeficiencyCardiometabolic Risk Factors

Overview

Phase
Not Applicable
Intervention
Not specified
Conditions
Vitamin D Deficiency
Sponsor
Seoul National University Hospital
Enrollment
150
Primary Endpoint
Serum 25(OH)D
Status
Completed
Last Updated
8 years ago
OverviewInvestigatorsEligibility CriteriaOutcomesSimilar Trials

Overview

Brief Summary

This study aimed to compare the effects between sunlight exposure and oral vitamin D supplementation on serum 25-hydroxyvitamin D concentration and metabolic markers in Korean young adults.

Registry
clinicaltrials.gov
Start Date
June 1, 2015
End Date
November 30, 2015
Last Updated
8 years ago
Study Type
Interventional
Study Design
Parallel
Sex
All

Investigators

Responsible Party
Sponsor

Eligibility Criteria

Inclusion Criteria

  • •Serum 25(OH)vitamin D \< 12ng/mL
  • •age between 18 and 39 years
  • •Korean men and women

Exclusion Criteria

  • •Vitamin D supplementation within 2 months
  • •Photosensitivity or UV allergy
  • •History of hyperparathyroidism/hypercalciuria/kidney stone/skin cancer and other cancer
  • •Under medication for hypertension, dyslipidemia, and diabetes
  • •Intake of photosensitive medicine during study period
  • •Exposure of strong UV (e.g., beach, sun tanning) during study period
  • •Pregnant/breast-feeding women

Outcomes

Primary Outcomes

Serum 25(OH)D

Time Frame: Baseline, 4 week, and 8 week

Changes in serum 25(OH)D levels in ng/mL

Secondary Outcomes

  • Diastolic blood pressure(Baseline, 4 week, and 8 week)
  • Lipid panel(Baseline and 8 week)
  • Fasting glucose(Baseline and 8 week)
  • BMI(Baseline, 4 week, and 8 week)
  • Systolic blood pressure(Baseline, 4 week, and 8 week)
  • AST(Baseline and 8 week)
  • ALT(Baseline and 8 week)
  • GGT(Baseline and 8 week)
  • Intact PTH(Baseline and 8 week)
  • Whole body BMD and BMC(Baseline and 8 week)
  • Lean body mass, fat mass, and percent fat(Baseline and 8 week)
  • Lean body mass, muscle mass, skeletal muscle mass, fat mass, and percent fat(Baseline, 4 week, and 8 week)
  • EQ-5D-5L(Baseline, 4 week, and 8 week)

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