Cholecalciferol Intervention to Prevent Respiratory Infections Study
Cholecalciferol Intervention to Prevent Respiratory Infections Study
NCT ID: NCT01549938 Phase: PHASE2 Status: COMPLETED Enrollment: 32 Completion:
Conditions
Respiratory Tract Infection, Vitamin D Deficiency
Interventions
Cholecalciferol, Placebo
Summary
This is a feasibility double-blind randomised controlled trial in 32 participants. It evaluates the feasibility of a full trial which will examine the efficacy of weekly supplementation of cholecalciferol (vitamin D3) relative to placebo on the subsequent frequency and severity of objectively-verified symptomatic acute respiratory tract infection, overall and as a proportion of detected colonisations of the upper respiratory tract by 9 of the most common aetiologic viral pathogens.
Primary Outcome
Frequency of validated respiratory tract infections during study period