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Marwo-D Research -Need for Vitamin D in Different Population Groups

NCT02212223 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 147

Last updated 2015-07-14

No results posted yet for this study

Summary

Insufficient intake of vitamin D is a public health problem, affecting about 40% of the Finnish population in the winter. Vitamin D has a wide range of health effects: in addition to its effect on bone, it is known to affect inflammatory response among other things. The sources of vitamin D are the synthesis in the skin as well as diet and dietary supplements. In Finland and in Northern Europe vitamin D is formed in the skin only from March to October. This alone is not sufficient to cover the need for year-round, because vitamin D storage is used in a few months. During the winter months the only sources of vitamin D are diet and vitamin preparations. Current vitamin D recommendations are usually based on studies in white population. However, there can be a difference in the need of vitamin D and in vitamin D metabolism between different population groups. More research evidence is needed from the northern countries. The aim of this study is to evaluate the vitamin D need in Somali immigrant population and in original Finnish population. The hypothesis is that the Somalis need more vitamin D to exceed the serum 25(OH)D concentration of 50 nmol/L than the original Finnish population.

Conditions

  • Serum 25-hydroxyvitamin D Concentrations (25OHD)

Interventions

DIETARY_SUPPLEMENT

Vitamin D3

Sponsors & Collaborators

  • University College Cork

    collaborator OTHER

  • Technical University of Denmark

    collaborator OTHER

  • Finnish Institute for Health and Welfare

    collaborator OTHER_GOV

  • University of Helsinki

    lead OTHER

Principal Investigators

  • Christel Lamberg-Allardt, Professor · University of Helsinki

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
21 Years
Max Age
66 Years
Sex
FEMALE
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2014-09-30
Primary Completion
2015-05-31
Completion
2015-05-31

Countries

  • Finland

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT02212223 on ClinicalTrials.gov