Status:

TERMINATED

Vitamin D Supplementation in CAD and Postchallenge Hyperglycemia

Lead Sponsor:

Medical University of Graz

Conditions:

Coronary Artery Disease

Postprandial Hyperglycemia

Eligibility:

All Genders

40-75 years

Phase:

PHASE3

Brief Summary

The main aim of the investigation is to clarify, whether vitamin D supplementation in coronary artery disease patients with vitamin D deficiency and postchallenge hyperglycemia has an impact on endoth...

Detailed Description

An improvement of endothelial dysfunction as a cardiovascular surrogate parameter could be translated in a reduced risk for future cardiovascular events, which is of major interest, since patients wit...

Eligibility Criteria

Inclusion

  • Age 40-75
  • Postchallenge hyperglycemia (2h-whole blood glucose value in oral glucose tolerance test above 119 mg/dl, normal fasting glucose)
  • Angiographically verified coronary artery disease (\>50% stenosis)
  • Serum 25-OH- vitamin D \< 20 ng/ml in winter/spring/autumn and \<25 ng/ml during june-september
  • Stable antihypertensive therapy in the last 3 month

Exclusion

  • Acute coronary syndrome or cerebrovascular event within the previous 1 month
  • BMI \> 40 kg/m²
  • Serum creatinine \>2.5 times the upper limit of normal
  • GOT or GPT \> 3 times the upper limit of normal
  • Heart failure \> NYHA class II
  • Uncontrolled hypertension (\>160/100 mmHg)
  • New onset of statins, ACE-inhibitors or ARBs within the previous 4 weeks
  • History of urolithiasis
  • Hypercalcaemia
  • Major psychiatric disorders
  • Ongoing treatment with spironolactone, canrenoate, eplerenone, amiloride, triamterene and aliskiren.
  • Treatment with antipsychotic drugs
  • Regular significant antioxidants, vitamins or protein supplementation
  • Immunosuppressive therapy
  • Glucocorticoid therapy
  • Ongoing chemotherapy
  • Pregnancy
  • Any other disease with an estimated life expectancy below 1 year.

Key Trial Info

Start Date :

June 1 2010

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

November 1 2012

Estimated Enrollment :

22 Patients enrolled

Trial Details

Trial ID

NCT01183442

Start Date

June 1 2010

End Date

November 1 2012

Last Update

April 17 2015

Active Locations (1)

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1

Dept. of Internal Medicine, Medical University of Graz

Graz, Austria, 8036