Vitamin D and the Influenza Epidemic
Primary Purpose
Influenza
Status
Completed
Phase
Phase 3
Locations
Norway
Study Type
Interventional
Intervention
choleclaciferol
Sponsored by
About this trial
This is an interventional prevention trial for Influenza focused on measuring vitamin D, influenza, prevention
Eligibility Criteria
Inclusion Criteria:
- participant in vitamin D versus placebo study
Exclusion Criteria:
- none
Sites / Locations
- University of Tromsø
Arms of the Study
Arm 1
Arm 2
Arm Type
Experimental
Placebo Comparator
Arm Label
cholecalciferol
placebo
Arm Description
cholecalciferol in doses 800-6000 IU per day
placebo identical looking as cholecalciferol capsules
Outcomes
Primary Outcome Measures
influenza during the winter season 2009/2010
Secondary Outcome Measures
Full Information
1. Study Identification
Unique Protocol Identification Number
NCT01182870
Brief Title
Vitamin D and the Influenza Epidemic
Official Title
Vitamin D and the Influenza Epidemic
Study Type
Interventional
2. Study Status
Record Verification Date
July 2011
Overall Recruitment Status
Completed
Study Start Date
April 2010 (undefined)
Primary Completion Date
September 2010 (Actual)
Study Completion Date
October 2010 (Actual)
3. Sponsor/Collaborators
Name of the Sponsor
University of Tromso
4. Oversight
Data Monitoring Committee
No
5. Study Description
Brief Summary
Subjects included in ongoing vitamin d intervention trials were asked by questionnaire if they were ill with influenza during the winter season 2009/2010 to see if vitamin d supplementation prevented flu like disease.
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Influenza
Keywords
vitamin D, influenza, prevention
7. Study Design
Primary Purpose
Prevention
Study Phase
Phase 3
Interventional Study Model
Parallel Assignment
Masking
ParticipantCare ProviderInvestigatorOutcomes Assessor
Allocation
Randomized
Enrollment
569 (Actual)
8. Arms, Groups, and Interventions
Arm Title
cholecalciferol
Arm Type
Experimental
Arm Description
cholecalciferol in doses 800-6000 IU per day
Arm Title
placebo
Arm Type
Placebo Comparator
Arm Description
placebo identical looking as cholecalciferol capsules
Intervention Type
Drug
Intervention Name(s)
choleclaciferol
Intervention Description
800-6000 IU cholecalciferol per day
Primary Outcome Measure Information:
Title
influenza during the winter season 2009/2010
Time Frame
up to 30 weeks
10. Eligibility
Sex
All
Minimum Age & Unit of Time
20 Years
Maximum Age & Unit of Time
80 Years
Accepts Healthy Volunteers
Accepts Healthy Volunteers
Eligibility Criteria
Inclusion Criteria:
participant in vitamin D versus placebo study
Exclusion Criteria:
none
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
rolf Jorde, md
Organizational Affiliation
University of Tromso, Norway
Official's Role
Principal Investigator
Facility Information:
Facility Name
University of Tromsø
City
Tromsø
ZIP/Postal Code
9037
Country
Norway
12. IPD Sharing Statement
Learn more about this trial
Vitamin D and the Influenza Epidemic
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