Effect of Ultraviolet Radiation on Blood Pressure, Cardiac Function and Insulin Sensitivity

Phase 3

Completed

• Conditions: People with low vitamin D levels; Cardiovascular - Normal development and function of the cardiovascular system

• Registration Number: ACTRN12607000021471
• Lead Sponsor: Health Research Council of New Zealand

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2007-01-11
• Last Update Posted: 13 January 2020

Recruitment & Eligibility

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

Inclusion Criteria

Age - Pacific Island and Maori >50years, European >65years; 25OHD levels < 50 nmol/L.

Exclusion Criteria

Hypertension treated with thiazide diuretics, diabetes treated with insulin or oral hypoglycaemics, taking vitamin D supplements (including cod liver oil), planned travel to areas with high sun exposure during the study period.

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Blood pressure[Measured at baseline and 12 weeks.]

Secondary Outcome Measures

Name	Time	Method
Insulin resistance (estimated from fasting insulin and triglycerides).[Baseline and 12 weeks];Cardiac function measured by Magnetic Resonance Imaging scan [At baseline and 12 weeks]