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Vitamin D and the Influenza Epidemic

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT01182870
First Posted: August 17, 2010
Last Update Posted: July 20, 2011
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by:
University of Tromso
  Purpose
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.

Condition Intervention Phase
Influenza Drug: choleclaciferol Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Prevention
Official Title: Vitamin D and the Influenza Epidemic

Resource links provided by NLM:


Further study details as provided by University of Tromso:

Primary Outcome Measures:
  • influenza during the winter season 2009/2010 [ Time Frame: up to 30 weeks ]

Enrollment: 569
Study Start Date: April 2010
Study Completion Date: October 2010
Primary Completion Date: September 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: cholecalciferol
cholecalciferol in doses 800-6000 IU per day
Drug: choleclaciferol
800-6000 IU cholecalciferol per day
Placebo Comparator: placebo
placebo identical looking as cholecalciferol capsules
Drug: choleclaciferol
800-6000 IU cholecalciferol per day

  Eligibility

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


Ages Eligible for Study:   20 Years to 80 Years   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • participant in vitamin D versus placebo study

Exclusion Criteria:

  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01182870


Locations
Norway
University of Tromsø
Tromsø, Norway, 9037
Sponsors and Collaborators
University of Tromso
Investigators
Principal Investigator: rolf Jorde, md University of Tromso, Norway
  More Information

Responsible Party: Rolf Jorde, University of Tromsø
ClinicalTrials.gov Identifier: NCT01182870     History of Changes
Other Study ID Numbers: UIT-ENDO-2010-1
First Submitted: August 11, 2010
First Posted: August 17, 2010
Last Update Posted: July 20, 2011
Last Verified: July 2011

Keywords provided by University of Tromso:
vitamin D
influenza
prevention

Additional relevant MeSH terms:
Influenza, Human
Orthomyxoviridae Infections
RNA Virus Infections
Virus Diseases
Respiratory Tract Infections
Respiratory Tract Diseases
Vitamins
Vitamin D
Ergocalciferols
Cholecalciferol
Micronutrients
Growth Substances
Physiological Effects of Drugs
Bone Density Conservation Agents