NCT00400491

Vitamin D Supplementation to Patients With Type 2 Diabetes

• Status: Completed
• Phase: Phase 2
• Study type: Interventional
• Enrollment: 40 (actual)
• Sponsor: University of Tromso · Academic / Other
• Sex: All
• Age: 21 Years – 75 Years
• Healthy volunteers: Accepted

Summary

The purpose of the study is to evaluate if supplementation with vitamin D in a dose of 40.000 IU per week will result in improved metabolic control in patients with type 2 diabetes.

Detailed description

The purpose of the study is to evaluate if supplementation with vitamin D in a dose of 40.000 IU per week will result in improved metabolic control in patients with type 2 diabetes. We will include 70 patients with type 2 diabetes. They will be treated with 40.000 IU cholecalciferol per week (or placebo) for 6 months. Metabolic control will be evaluated with measurements of glycated hemoglobin, home glucose measurements, and fasting blod glucose and serum insulin. Only subjects using insulin at bedtime combined with metformin during the day will be included.

Conditions

• Type 2 Diabetes

Interventions

Type	Name	Description
DRUG	Cholecalciferol (vitamin D)	Cholecalciferol capsule 20.000 IU twice per week for 6 months
DRUG	Placebo	Placebo capsule twice a week, identical to the cholecalciferol capsules

Timeline

• Start date: 2006-06-01
• Primary completion: 2007-08-01
• Completion: 2007-09-01
• First posted: 2006-11-17
• Last updated: 2008-05-23

Locations

1 site across 1 country: Norway