Effect of Vitamin D Supplementation on Blood Pressure and Insulin Sensitivity

Phase 3

Recruiting

• Conditions: Blood Pressure; Blood - Normal development and function of platelets and erythrocytes

• Registration Number: ACTRN12605000017628
• Lead Sponsor: niversity of Auckland

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2005-07-18
• Last Update Posted: 13 January 2020

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 120

Inclusion Criteria

Aged >40 years (Tongan and Maori) and >65 years (European) 25OHD levels <50 nmol/L.

Exclusion Criteria

Treated diabetes, treated hypertension, taking of vitamin D supplements (including cod liver oil); serum calcium level above 2.60 mmol/L, regular outdoor activities during the middle of day during the study period, recent high sun exposure (eg. holidays in the Pacific islands); or planned holidays to areas with high sun exposure during the study period.

Study & Design

• Study Type: Interventional
• Study Design: Not specified