NCT01477827

Brief Summary

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.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
125

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Jun 2010

Typical duration for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

June 1, 2010

Completed
1.5 years until next milestone

First Submitted

Initial submission to the registry

November 18, 2011

Completed
5 days until next milestone

First Posted

Study publicly available on registry

November 23, 2011

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2012

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2012

Completed
Last Updated

January 16, 2013

Status Verified

January 1, 2013

Enrollment Period

2.1 years

First QC Date

November 18, 2011

Last Update Submit

January 14, 2013

Conditions

Healthy Schoolchildren

Outcome Measures

Primary Outcomes (1)

  • Serum concentration of 25-hydroxyvitamin D

    Approximately every 3 months

Secondary Outcomes (2)

  • Amount of sunlight exposure received

    Approx every 3 months

  • Dietary intake of vitamin D

    Approximately every 3 months

Study Arms (1)

Healthy volunteers

Healthy adolescents aged 12-15 years

Other: None - observational study

Interventions

None - observational studyOTHER
Healthy volunteers

Eligibility Criteria

Age12 Years - 15 Years
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)
Sampling MethodNon-Probability Sample
Study Population

Schoolchildren in Greater Manchester

You may qualify if:

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

You may not qualify if:

  • History of photosensitivity disorder

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Salford Royal NHS Foundation Trust

Manchester, M6 8HD, United Kingdom

Location

Study Officials

  • Lesley Rhodes, MBBS MD FRCP

    University of Manchester

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor of Experimental Dermatology

Study Record Dates

First Submitted

November 18, 2011

First Posted

November 23, 2011

Study Start

June 1, 2010

Primary Completion

July 1, 2012

Study Completion

July 1, 2012

Last Updated

January 16, 2013

Record last verified: 2013-01

Locations

GB(1)