MedTrace Logo

A Trial of Vitamin D and Health Advice for the Prevention of Upper Respiratory Tract Infections

NCT01158560 · Status: COMPLETED · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 600

Last updated 2012-03-05

No results posted yet for this study

Summary

The specific objectives of this investigation are to assess the effectiveness of daily gargling and vitamin D supplementation as preventative measures against incident upper respiratory tract infection (URTI) in students attending McMaster University. Investigators hypothesize that

1. Vitamin D3 supplementation will decrease the incidence of symptomatic upper respiratory tract infections in university students
2. Gargling will decrease the incidence of symptomatic upper respiratory tract infections in university students.

Conditions

  • Upper Respiratory Tract Infections
  • Rhinovirus
  • Infections

Interventions

DIETARY_SUPPLEMENT

cholecalciferol (vitamin D3)

oral capsule, 10,000 IU/week vitamin D3 for 6-8 weeks

BEHAVIORAL

Gargling

gargling with tap water, twice daily

DIETARY_SUPPLEMENT

Placebo

matched placebo for active vitamin D

Sponsors & Collaborators

Principal Investigators

  • Marek Smieja, MD, MSc, PhD, FRCPC · St. Joseph's Healthcare, McMaster University

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
QUADRUPLE
Model
FACTORIAL

Eligibility

Min Age
17 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2010-09-30
Primary Completion
2011-10-31
Completion
2011-10-31

Countries

  • Canada

Study Locations

More Related Trials

Entities

Diseases
Companies

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 NCT01158560 on ClinicalTrials.gov