Challenges in Achieving Adequate Vitamin D Status in the Adult Population - Part 3 (VITAD/3)

• Conditions: Vitamin D Serum Levels

• Registration Number: NCT05641818
• Lead Sponsor: Nutrition Institute, Slovenia

Brief Summary

Validation of a screening tool for identification of subjects at risk for suboptimal vitamin D status. Developed questionnaire-based screening tool will be used on subjects with various risks for vitamin D deficiency, and compared with 25-OH-vitamin D levels.

Detailed Description

Not available

Study Timeline

• Study First Submitted: 2022-11-29
• Study First Submitted QC: 2022-11-29
• Status Verified: 2022-12
• Study Start: 2022-12-05
• Study First Posted: 2022-12-08
• Last Update Submitted: 2022-12-13
• Last Update Posted: 2022-12-14
• Primary Completion: 2023-10-01
• Study Completion: 2023-12-01

Recruitment & Eligibility

• Status: ENROLLING_BY_INVITATION
• Sex: All
• Target Recruitment: 400

Inclusion Criteria

• Signed Informed consent form (ICF),
• Age between 18 and 65 years at the time of the signature of Informed consent form (ICF),
• Did not change use of vitamin D conatining drugs/supplements for last 6 weeks
• Willingness to follow all study procedures

Exclusion Criteria

• Pregnancy or breastfeeding,
• Change in use of food supplements containing Vitamin D in last 6 weeks
• Acute ilness
• Mental incapacity that precludes adequate understanding or cooperation.

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Difference between vitamin D status (deficiency) assessed by two different methods	1 year	Vitamin D serum level will be measured for assessment of Vitamin D status. Risk for vitamin D deficiency will be assessed using questionaire-based screening tool. Two methods will be compared.

Trial Locations

Locations (1)

Nutrition Institute, Ljubljana; 🇸🇮 Ljubljana, Slovenia