Other Clinical Trial - Effects of Vitamin D & Calcium Supplementation on

Status Recruiting

Clinical Trial Summary

The epidemic of type 2 diabetes is an enormous public health problem in all parts of the world, with 366 million cases by 2030. Chronic inflammation has been postulated to play a role in the pathogenesis of type 2 diabetes. High levels of adiponectin and inflammatory biomarkers are known as a new risk factor for diabetes. There is accumulating evidence suggesting that altered vitamin D and calcium homeostasis affect the development of type 2 diabetes, but it is still unclear whether that effects are through reducing the level of adipocytokines and inflammatory biomarkers or not. This study has been designed to evaluate the effects of vitamin D and calcium supplementations alone and in combination on inflammatory biomarkers and adypocytokines in type 2 diabetic patients.

This study is a single masked, controlled randomized trial with period of 8 weeks. 120 diabetic patients who met the inclusion criteria will enroll in this study. Subjects will randomly assign in to four groups. Randomization will be achieved by permuted blocks with stratification by age, sex, BMI, type of diabetes and dose of medication. Group1 will receive 50000 IU of vitamin D3 per week plus calcium placebo, group2 will received 1000 mg of calcium carbonate per day plus vitamin D placebo, group 3 will receive 50000 IU of vitamin D3 plus 100 of mg calcium carbonate per day and group four will receive calcium and vitamin D placebos. Total cholesterol, HDL, LDL, serum triglyceride, serum glucose, serum insulin, HbA1C, leptin, adiponectin and inflammatory biomarkers such as TNF-alpha, IL-6 and high sensitivity C reactive protein (hs-CRP) will be determine by taking blood samples at the baseline and at the end of intervention. Systolic and diastolic blood pressure and anthropometric measurements (height, weight, hip and waist circumferences) will be measured at the baseline and after 8 weeks of intervention. 3 dietary records and 3 physical activity records will be taken at 2,4 and 6 week of intervention to make sure that all subjects maintain their usual diet and physical activity during intervention.

Clinical Trial Description

n/a

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment

Related Conditions & MeSH terms

Metabolic Diseases
Nutritional and Metabolic Disease

Clinical Trial Details

NCT number	NCT01662193
Study type	Interventional
Source	Isfahan University of Medical Sciences
Contact	marjan tabesh, MS
Phone	00989131664159
Email	tabesh@hlth.mui.ac.ir
Status	Recruiting
Phase	N/A
Start date	February 2012

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Effects of Vitamin D and Calcium Supplementation on Inflammatory Biomarkers and Adypocytokines in Diabetic Patients

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms