The effectiveness of vitamin D suppletion on improving symptoms of fatigue in children between 12 and 18 years old

• Conditions: Fatigue

• Registration Number: NL-OMON29083
• Lead Sponsor: CWZ

Brief Summary

n.a.

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Last Update Posted: 28 February 2024

Recruitment & Eligibility

• Status: Pending
• Sex: Not specified
• Target Recruitment: 75

Inclusion Criteria

Children between 12 and 18 years old
- Referred to a hospital due to symptoms of fatigue
- Calcidiol serum level <100 nmol/

Exclusion Criteria

- Comorbidities

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Primary endpoint of this study will be the difference in symptoms of fatigue as measured by the CIS-k, PedsQL and PedsQL fatigue questionnaire before and after vitamine D suppletion for three months. This will be matched to the calcidiol serum level at the start of inclusion.

Secondary Outcome Measures

Name	Time	Method
The amount and characteristics of the children who manage to go from a calcidiol serum level of <75 nmol/L at the start of inclusion to >75 nmol/L after 3 months of vitamin D suppletion.