Vitamin D Status and Supplementation in Athletes

Vitamin D Deficiency Clinical Trial

— D-status  

Official title:

Vitamin D Status and Supplementation in Elite Athletes

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT02008201
• Other study ID #: D-status
• Status: Completed
• Phase: Phase 3
• First received: September 10, 2013
• Last updated: December 12, 2014
• Start date: May 2012
• Est. completion date: April 2014

Study information

• Verified date: December 2013
• Source: Wageningen University
• Contact: n/a
• Is FDA regulated: No
• Health authority: Netherlands: Medical Ethics Review Committee (METC)
• Study type: Interventional

Clinical Trial Summary

The objectives of this study are 1) to assess the prevalence of vitamin D deficiency in a group of sub elite athletes and 2) to identify seasonal changes in vitamin D status and the effect that supplementation may have during the course of a year.

The study is a double blinded parallel study design.

Description:

Study population: 175 elite/ sub elite athletes, male and female, aged 18-60y, from a variety of sport disciplines

Recruitment information / eligibility

• Status: Completed
• Enrollment: 153
• Est. completion date: April 2014
• Est. primary completion date: April 2014
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: Both
• Age group: 18 Years to 60 Years

Eligibility

Inclusion Criteria:

• athletes

• 19-60y

Exclusion Criteria:

• subjects who take vitamin D supplements

Study Design

Allocation: Randomized, Endpoint Classification: Bio-availability Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment

Related Conditions & MeSH terms

• Vitamin D Deficiency

Intervention

Dietary Supplement:
• vitamin D

Locations

Country	Name	City	State
Netherlands	Wageningen University	Wageningen

Sponsors (1)

Lead Sponsor	Collaborator
Wageningen University

Country where clinical trial is conducted

Netherlands, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Change in serum 25(OH)D		Every 3 months during one year	No