NCT01711905

Brief Summary

The aim of this study is to investigate whether a supplementation of 20 µg Vitamin D3 per day for 12 weeks can be used to normalize vitamin d-Status

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
107

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Nov 2012

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 15, 2012

Completed
7 days until next milestone

First Posted

Study publicly available on registry

October 22, 2012

Completed
10 days until next milestone

Study Start

First participant enrolled

November 1, 2012

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2013

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2013

Completed
Last Updated

April 22, 2013

Status Verified

April 1, 2013

Enrollment Period

5 months

First QC Date

October 15, 2012

Last Update Submit

April 19, 2013

Conditions

Outcome Measures

Primary Outcomes (1)

  • 25-hydroxyvitamin D3

    major outcome variable is the increase of 25-hydroxyvitamin D3 in the treatment group in comparison with the placebo group

    after 12 weeks of supplementation

Secondary Outcomes (3)

  • atherosclerotic risk factors

    after 12 weeks of supplementation

  • inflammation

    after 12 weeks of supplementation

  • hyperlipidemia

    after 12 weeks of supplementation

Study Arms (2)

Vitamin D3

EXPERIMENTAL

cholecalciferol 20 µg per day for 12 weeks

Dietary Supplement: Vitamin D3

Placebo

NO INTERVENTION

Placebo for 12 weeks

Interventions

Vitamin D3DIETARY_SUPPLEMENT

daily dosage of 20 µg Vitamin D3 for 12 weeks

Also known as: cholecalciferol
Vitamin D3

Eligibility Criteria

Age18 Years - 70 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • healthy volunteers
  • age between 18 and 70 years
  • informed consent

You may not qualify if:

  • use of antihypertensive medication
  • use of vitamin d or calcium supplements
  • known renal, inflammatory or malignant diseases
  • hypercalcemia or hypercalciuria
  • participation in other clinical studies
  • use of tanning booths during the study
  • pregnancy or lactating period

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Naturwissenschaftliche Fakultät III

Halle, Saxony-Anhalt, 06120, Germany

Location

Related Publications (1)

  • Lehmann U, Riedel A, Hirche F, Brandsch C, Girndt M, Ulrich C, Seibert E, Henning C, Glomb MA, Dierkes J, Stangl GI. Vitamin D3 supplementation: Response and predictors of vitamin D3 metabolites - A randomized controlled trial. Clin Nutr. 2016 Apr;35(2):351-358. doi: 10.1016/j.clnu.2015.04.021. Epub 2015 May 19.

MeSH Terms

Interventions

Cholecalciferol

Intervention Hierarchy (Ancestors)

CholestenesCholestanesSteroidsFused-Ring CompoundsPolycyclic CompoundsSterolsVitamin DSecosteroidsMembrane LipidsLipids

Study Officials

  • Gabriele I Stangl, Prof. Dr.

    Institut für Agrar- und Ernährungswissenschaften

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

October 15, 2012

First Posted

October 22, 2012

Study Start

November 1, 2012

Primary Completion

April 1, 2013

Study Completion

April 1, 2013

Last Updated

April 22, 2013

Record last verified: 2013-04

Locations