Vitamin D and the Influenza Epidemic

Phase 3

Completed

• Conditions: Influenza
• Interventions: Drug: choleclaciferol

• Registration Number: NCT01182870
• Lead Sponsor: University of Tromso

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.

Detailed Description

Not available

Study Timeline

• Study Start: 2010-04
• Study First Submitted: 2010-08-11
• Study First Submitted QC: 2010-08-16
• Study First Posted: 2010-08-17
• Primary Completion: 2010-09
• Study Completion: 2010-10
• Status Verified: 2011-07
• Last Update Submitted: 2011-07-19
• Last Update Posted: 2011-07-20

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 569

Inclusion Criteria

• participant in vitamin D versus placebo study

Exclusion Criteria

• none

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
cholecalciferol	choleclaciferol	cholecalciferol in doses 800-6000 IU per day
placebo	choleclaciferol	placebo identical looking as cholecalciferol capsules

Primary Outcome Measures

Name	Time	Method
influenza during the winter season 2009/2010	up to 30 weeks

Trial Locations

Locations (1)

University of Tromsø; 🇳🇴 Tromsø, Norway