Effect of vitamin D supplementation on upper respiratory infections in adults

Completed

• Conditions: pper respiratory tract infections; Upper respiratory tract infections; Infection - Other infectious diseases

• Registration Number: ACTRN12609000486224
• Lead Sponsor: niversity of Otago

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2009-06-18
• Last Update Posted: 13 January 2020

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 320

Inclusion Criteria

Age 18 years and over, ability to give informed consent, anticipated residence in Christchurch for the 18-month study period

Exclusion Criteria

Use of vitamin D3 supplements, pregnancy, use of immunosuppressants or medications that interfere with vitamin D metabolism, history of hypercalcaemia, nephrolithiasis or sarcoidosis, and current kidney or liver disorders, malignancy and malabsorption.

Study & Design

• Study Type: Interventional
• Study Design: Not specified