Effect of Vitamin D Deficiency and Vitamin D Supplementation on Glucose Metabolism

Completed · Not applicable

Conditions studied: Prediabetes, Vitamin D Deficiency

In brief

This study was intended to evaluate the effect of vitamin D supplementation on insulin sensitivity and pancreatic islet beta-cell function. Our hypothesis was that vitamin D supplementation to normal levels in patients with impaired fasting glucose will result in improved insulin sensitivity and improved beta cell function.

Key facts

Study ID

NCT00749918

Run by

University of Minnesota

People needed

12

Starts

2007-01-01

Expected to finish

2008-06-01

Last updated by the study team

2008-10-20

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Impaired fasting glucose
• Adult, age between 18 and 65
• Serum vitamin D level below 30 ng/mL

You may not qualify if…

• History of nephrolithiasis
• Any medications that can effect insulin sensitivity or beta cell function (i.e. antipsychotics, metformin)
• Pregnancy
• Liver disease
• Renal disease

Where it is running

• University of Minnesota, Division of Endocrinology — Minneapolis, Minnesota, United States

Full record on ClinicalTrials.gov

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