Sunlight Exposure and Vitamin D in Children

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
Lesley Rhodes, University of Manchester
ClinicalTrials.gov Identifier:
NCT01477827
First received: November 18, 2011
Last updated: January 14, 2013
Last verified: January 2013
  Purpose

The purpose of this study is to examine the amount of sunlight exposure and vitamin D status of adolescent schoolchildren in each season throughout the year.


Condition Intervention
Healthy Schoolchildren
Other: None - observational study

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Prospective
Official Title: Sunlight Exposure and Vitamin D Status of Children in the UK

Resource links provided by NLM:


Further study details as provided by University of Manchester:

Primary Outcome Measures:
  • Serum concentration of 25-hydroxyvitamin D [ Time Frame: Approximately every 3 months ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Amount of sunlight exposure received [ Time Frame: Approx every 3 months ] [ Designated as safety issue: No ]
    Exposure to sunlight over 7 consecutive days is measured using polysulphone badges with one badge for weekdays and a second badge for the weekend.

  • Dietary intake of vitamin D [ Time Frame: Approximately every 3 months ] [ Designated as safety issue: No ]
    Intake of foods containing vitamin D is recorded for a one week period and the average daily intake determined.


Enrollment: 125
Study Start Date: June 2010
Study Completion Date: July 2012
Primary Completion Date: July 2012 (Final data collection date for primary outcome measure)
Groups/Cohorts Assigned Interventions
Healthy volunteers
Healthy adolescents aged 12-15 years
Other: None - observational study
N/A

  Eligibility

Ages Eligible for Study:   12 Years to 15 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes
Sampling Method:   Non-Probability Sample
Study Population

Schoolchildren in Greater Manchester

Criteria

Inclusion Criteria:

  • Healthy school children aged 12-15 years
  • White Caucasian
  • Male or female

Exclusion Criteria:

  • History of photosensitivity disorder
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT01477827

Locations
United Kingdom
Salford Royal NHS Foundation Trust
Manchester, United Kingdom, M6 8HD
Sponsors and Collaborators
University of Manchester
Investigators
Principal Investigator: Lesley Rhodes, MBBS MD FRCP University of Manchester
  More Information

No publications provided

Responsible Party: Lesley Rhodes, Professor of Experimental Dermatology, University of Manchester
ClinicalTrials.gov Identifier: NCT01477827     History of Changes
Other Study ID Numbers: Bupa Protocol 1
Study First Received: November 18, 2011
Last Updated: January 14, 2013
Health Authority: United Kingdom: Research Ethics Committee

ClinicalTrials.gov processed this record on September 18, 2014