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Sunlight Exposure and Vitamin D Status of Children of South Asian Ethnicity Living in the UK

Sponsor
University of Manchester (Other)
Overall Status
Completed
CT.gov ID
NCT01623414
Collaborator
(none)
131
Enrollment
1
Location
25
Duration (Months)
5.2
Patients Per Site Per Month

Study Details

Study Description

Brief Summary

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

Condition or Disease Intervention/Treatment Phase

    Study Design

    Study Type:
    Observational
    Actual Enrollment :
    131 participants
    Observational Model:
    Cohort
    Time Perspective:
    Prospective
    Official Title:
    Sunlight Exposure and Vitamin D Status of Children of South Asian Ethnicity Living in the UK
    Study Start Date :
    Sep 1, 2012
    Actual Primary Completion Date :
    Oct 1, 2013
    Actual Study Completion Date :
    Oct 1, 2014

    Arms and Interventions

    Arm Intervention/Treatment
    Healthy schoolchildren

    Outcome Measures

    Primary Outcome Measures

    1. Change in serum concentration of 25-hydroxyvitamin D [1 year]

      Serum vitamin D will be assessed every 3 months over a period of 1 year

    Secondary Outcome Measures

    1. Change in sunlight exposure received [1 year]

      Exposure to sunlight over 7 consecutive days is measured using polysulphone badges with one badge for weekdays and a second badge for the weekend. Exposure is assessed every 3 months for 1 year.

    2. Change in dietary intake of vitamin D [1 year]

      Intake of foods containing vitamin D is recorded for a one week period once every 3 months over a period of 1 year and the average daily intake determined.

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    12 Years to 15 Years
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    Yes
    Inclusion Criteria:

    • Healthy schoolchildren aged 12-15 years

    • Sun-reactive skin type V (naturally brown skin)

    • South Asian ethnicity

    • Male or female

    Exclusion Criteria:

    • History of photosensitivity disorder

    • Non-ambulant

    Contacts and Locations

    Locations

    Site City State Country Postal Code
    1 Salford Royal NHS Foundation Trust Manchester United Kingdom M6 8HD

    Sponsors and Collaborators

    • University of Manchester

    Investigators

    • Principal Investigator: Lesley Rhodes, MD FRCP(UK), University of Manchester

    Study Documents (Full-Text)

    None provided.

    More Information

    Publications

    None provided.
    Responsible Party:
    Lesley Rhodes, Professor of Experimental Dermatology, University of Manchester
    ClinicalTrials.gov Identifier:
    NCT01623414
    Other Study ID Numbers:
    • AMR-1950
    First Posted:
    Jun 20, 2012
    Last Update Posted:
    Feb 5, 2015
    Last Verified:
    Feb 1, 2015

    Study Results

    No Results Posted as of Feb 5, 2015