Status:
COMPLETED
The D-BIICEP Study
Lead Sponsor:
University of Surrey
Conditions:
Vitamin D Deficiency
Eligibility:
All Genders
18-30 years
Brief Summary
Athletes and active individuals have been identified as an at-risk group for a low vitamin D status, specifically those residing in countries of higher latitude (such as the United Kingdom). This espe...
Detailed Description
During this study the subjects will be asked to visit the labs on 4 different occasions. There will be two occasions, at the beginning of the study for baseline measurements, and again on two occasion...
Eligibility Criteria
Inclusion
- University athlete inclusion criteria:
- Male or female
- Aged 18-30
- Regularly train/compete for Team Surrey Basketball, Boat Club, Swimming and Waterpolo, Netball or Rugby (for more than 4 hours/week)
- In good physical health
- Have a BMI \>18 kg/m2
- Able to provide written informed consent
- Control group inclusion criteria:
- Male or Female
- Age 18-30
- Do not use sun beds/ will not be going on a sun holiday/ returning home to a traditional sun holiday location between February 2017 and October 2017. This is because the results will be used to represent the Vitamin D status of young sporting individuals residing within the UK during these seasons.
- Do not take supplements containing Vitamin D
- Do not compete for Team Surrey and exercise less than 150 minutes / week.
- BMI: 18 - 30 kg/m2
Exclusion
- Currently receiving treatment for medical conditions that are likely to affect vitamin D metabolism
- Hypercalcaemia (\>2.5mmol/L)
- Regular use of sun-beds
- Having a sun holiday one month prior to commencing the study or plans for a sun holiday within the study period or will be returning home to a sun holiday location.
- Use of vitamin supplements containing vitamin D (if the prospective participants agrees to stop Vitamin D supplementation to join the study, a wash-out period of 8 weeks prior to commencing the trial would be acceptable).
- Excess alcohol intake for participants aged 18 years (\> 21 units for males, \> 14 units for females per week, as per Government guidelines)
- Those under dietary restriction (except vegetarianism) or following a weight-reducing diet.
- Clinically significant haematological abnormalities other than mild anaemia (Hb \<12.0g/dl)
- Active malignancy
- Pregnant or planning a pregnancy during the study period
Key Trial Info
Start Date :
February 1 2018
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
July 1 2018
Estimated Enrollment :
50 Patients enrolled
Trial Details
Trial ID
NCT03253055
Start Date
February 1 2018
End Date
July 1 2018
Last Update
November 16 2018
Active Locations (2)
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1
Surrey Human Performance Institute
Guildford, Surrey, United Kingdom, GU27AD
2
University of Surrey
Guildford, Surrey, United Kingdom, GU27XH