Impact of vitamin D and calcium supplementation on the metabolic profile of glucose intolerant and vitamin D deficient obese subjects: a double blind, randomised and controlled trial

Professor Peter Ebeling0 sites160 target enrollmentJanuary 20, 2009

Overview

Phase: Phase 4
Intervention: Not specified
Conditions: Pre-diabetes (impaired fasting glucose or impaired glucose tolerance)
Sponsor: Professor Peter Ebeling
Enrollment: 160
Status: Recruiting
Last Updated: 6 years ago

No summary available.

Registry

who.int

Start Date

January 20, 2009

End Date

TBD

Last Updated

6 years ago

Study Type

Interventional

Sex

All

Sponsor

Professor Peter Ebeling

•Vitamin D deficiency; overweight or obese as defined by a body\-mass index (BMI) between 25\-35 kg/m2; impaired fasting glucose or impaired glucose tolerance confirmed with a 75g 2h oral glucose tolerance test (OGTT).

•Pregnancy; Breast\-feeding; Renal insufficiency; Cirrhosis; Malabsorption; Hypercalcemia; Hypercalciuria; History of nephrolithiasis; Previous non\-traumatic fractures; Active or chronic inflammatory disease;Medications known to affect vitamin D, calcium or bone metabolism over the last 3 months; Pharmacological treatment for obesity or medications known to alter glucose metabolism over the last 3 months; Bariatric surgery planned in the next six months or patients who had undergone bariatric surgery in the past; Commenced regular physical activity (more than 3 times/week) in the last 3 months; More than a 5% change in weight in the last 3 months.