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Vitamin D Supplementation for the Prevention of Acute Respiratory Tract Infections

NCT00973583 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 164

Last updated 2014-12-03

No results posted yet for this study

Summary

The investigators earlier clinical study in 754 young Finnish men demonstrated a significant negative association of serum 25-OHD concentration with acute respiratory tract infections. The present study aimed to determine whether vitamin D supplementation may decrease the incidence of acute respiratory tract infections.

Conditions

  • Respiratory Tract Infections

Interventions

DIETARY_SUPPLEMENT

vitamin D

vitamin D3 400 IU daily

DIETARY_SUPPLEMENT

placebo

placebo

Sponsors & Collaborators

  • Finnish Defense Forces

    collaborator OTHER_GOV

  • Tampere University

    lead OTHER

Principal Investigators

  • Ilkka T Laaksi, M.D. · Tampere University

  • Harri Pihlajamaki, Docent · Research Department, Centre for Military Medicine, Helsinki, Finland

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Sex
MALE
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2005-05-31
Primary Completion
2009-12-31
Completion
2010-12-31

Countries

  • Finland

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00973583 on ClinicalTrials.gov