NCT01419119

Brief Summary

The purpose of this study is to determine the efficacy of different doses of vitamin D in persons, immigrated to Sweden from Middle East or Africa, with decreased S vitamin D.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
160

participants targeted

Target at P50-P75 for phase_4

Timeline
Completed

Started Sep 2011

Shorter than P25 for phase_4

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

August 16, 2011

Completed
1 day until next milestone

First Posted

Study publicly available on registry

August 17, 2011

Completed
15 days until next milestone

Study Start

First participant enrolled

September 1, 2011

Completed
1.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 1, 2012

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

October 1, 2012

Completed
11.8 years until next milestone

Results Posted

Study results publicly available

July 18, 2024

Completed
Last Updated

July 18, 2024

Status Verified

February 1, 2024

Enrollment Period

1.1 years

First QC Date

August 16, 2011

Results QC Date

May 10, 2023

Last Update Submit

February 5, 2024

Conditions

Keywords

vitamin D insufficiencyCholecalciferolD3Parathyroid Hormone25-hydroxyvitamin D3RDA, recommended daily intake (nutrition policy)Vitamin DHypovitaminosis-DPharmacologic treatment

Outcome Measures

Primary Outcomes (2)

  • Serum-vitamin D

    Levels of serum vitamin D3

    Baseline

  • Level of Vitamin D at End of the Treatment Period of 12 Weeks

    Serum Vitamin D, 25-(OH)D

    End of treatment period 12 weeks after baseline

Study Arms (4)

Group 1

EXPERIMENTAL

Vitamin D3, 10 000 IU daily. Treatment to patients with Serum-vitamin D levels below 25 nmol/L

Drug: Cholecalciferol high dose at Vitamin D deficiency

Group 2a

EXPERIMENTAL

Vitamin D3 2000 IU daily, one of two arms that patients with Serum-vitamin D levels between 25 nmol/L and 49 nmol/l will be randomised to

Drug: Cholecalciferol median dose at Vitamin D insufficiency

Group 2b

EXPERIMENTAL

Vitamin D3 2000 IU weekly, one of two arms that patients with Serum-vitamin D levels between 25 nmol/L and 49 mol/l will be randomised to

Drug: Cholecalciferol low dose at Vitamin D deficiency

Group 3

EXPERIMENTAL

Vitamin D3, 2000 IU daily i.e. 3 drops orally once daily for 12 weeks, treatment to patients with Serum-vitamin D levels between 50 and 74 nmol/L

Drug: Cholecalciferol median dose at sufficient Vitamin D level

Interventions

10 000 IU daily i.e. 15 drops orally once daily for 12 weeks

Also known as: Vigantol Oil 20 000 IU/ml, drops for oral use, solution
Group 1

2000 IU daily i.e. 3 drops orally once a day for 12 weeks,

Also known as: Vigantol Oil 20 000 IU/ml, drops for oral use, solution
Group 2a

2000 IU once a week i.e. 3 drops orally once a week (the same day every week) for 12 weeks,

Also known as: Vigantol Oil 20 000 IU/ml, drops for oral use, solution
Group 2b

2000 IU daily i.e. 3 drops orally once daily for 12 weeks

Also known as: Vigantol Oil 20 000 IU/ml, drops for oral use, solution
Group 3

Eligibility Criteria

Age25 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Serum- vitamin D below 75 nmol/L
  • Men and female
  • years of age
  • Born in Middle East or Africa, living in Umeå district

You may not qualify if:

  • Hypersensitive to Cholecalciferol, cocos oil, palm kernel or rubber
  • Serum D3 equal to or above75 nmol/L
  • Hypercalcemia
  • Renal insufficiency
  • History of Kidney Calculi
  • Nephrocalcinosis
  • History of sarcoidosis and other Granulomatous Diseases
  • Known malignancy
  • Ongoing treatment with phenytoin, barbiturates, rifampicin, isoniazid
  • Ongoing treatment with cardiac glycosides
  • Ongoing treatment with thiazides
  • Ongoing treatment with Etalpha, Rocaltrol, ergocalciferol, Dygratal
  • Ongoing treatment with drugs involving fat absorption; Orlistat Colestyramin
  • Oral treatment with glucocorticoids
  • Ongoing treatment with Aluminum Compounds drugs
  • +5 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Ålidhems hälsocentral, Umeå

Umeå, Se-90736, Sweden

Location

MeSH Terms

Conditions

Vitamin D Deficiency

Interventions

CholecalciferolSolutions

Condition Hierarchy (Ancestors)

AvitaminosisDeficiency DiseasesMalnutritionNutrition DisordersNutritional and Metabolic Diseases

Intervention Hierarchy (Ancestors)

CholestenesCholestanesSteroidsFused-Ring CompoundsPolycyclic CompoundsSterolsVitamin DSecosteroidsMembrane LipidsLipidsPharmaceutical Preparations

Limitations and Caveats

This open partly RCT was conducted during September 2011-May 2012 at the Umeå University Hospital Clinical Research Centre, monitored by the Clinical Trial Unit, Region Västerbotten, Sweden. The study treatment was vitamin D supplementation (25(OH)D) during 12 weeks. The trial was reported to the Swedish Medical Products Agency in August 2013 and to the European Medicines Agency in November 2021. No reports have been accepted to publication in Scientific journals

Results Point of Contact

Title
Dr Margareta Norberg
Organization
Umea University, Umeå, Sweden

Study Officials

  • Margareta Norberg, M.D. Ph.D

    Dept of Epidemiology and Global Health, Umeå University

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
M.D. Ph.D.

Study Record Dates

First Submitted

August 16, 2011

First Posted

August 17, 2011

Study Start

September 1, 2011

Primary Completion

October 1, 2012

Study Completion

October 1, 2012

Last Updated

July 18, 2024

Results First Posted

July 18, 2024

Record last verified: 2024-02

Locations