Vitamin D, Insulin Resistance, and Cardiovascular Disease

07:13 EDT 1st September 2014 | BioPortfolio

Summary

In recent years, vitamin D has been shown not only to be important for bone and calcium metabolism but also for homeostasis of critical tissues involved in vascular disease in patients with diabetes. Epidemiological studies indicated the high prevalence of vitamin D deficiency among Type 2 DM patients and suggest an increased risk of cardiovascular disease and hypertension with low vitamin D levels. The objective of this proposal is to evaluate the effects of vitamin D replacement on blood pressure control and vascular disease in vitamin D deficient hypertensive patients with diabetes

Description

This is a double blind, placebo controlled trial. Patients who meet the inclusion criteria will be randomized to placebo or 25(OH)D3, 4,000 IU/d orally for 16 weeks. Enrolled patients will be tested for 24h-blood pressure, brachial arterial blood flow, vascular inflammatory markers and macrophage inflammatory response to modified-lipoproteins at baseline, middle and at the end of the study.

Study Design

Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment

Conditions

Vitamin D Deficiency

Intervention

Cholecalciferol and Calcium Carbonate, Placebo and Calcium Carbonate

Location

Washington Universiy
Saint Louis
Missouri
United States
63110

Status

Recruiting

Source

Washington University School of Medicine

Results (where available)

View Results

Links

Clinical Trials [1313 Associated Clinical Trials listed on BioPortfolio]

Cholecalciferol and Calcium Carbonate in Treating Patients With Colon Cancer That Has Been Removed by Surgery

RATIONALE: The use of cholecalciferol and calcium carbonate may keep colon cancer from coming back in patients with colon cancer that has been removed by surgery. PURPOSE: This randomized...

Outcome Study of Lanthanum Carbonate Compared With Calcium Carbonate in Hemodialysis Patients : Landmark Study

The purpose of this study is to demonstrate decrease in cardiovascular mortality and morbidity in Japanese hemodialysis patients treated with Lanthanum carbonate compared with those with C...

Supplimentation With 2000IU Vitamin D, 1gm Calcium or Both on Calcium Absorption and BMC in Children With JRA

2000IU vitamin D, 1gm calcium, or both given to children with Juvenile Rheumatoid Arthritis may increase percent true calcium absorption, bone mineral turnover and/or bone mineralization.

Regulation of Bone Formation in Renal Osteodystrophy

To examine the effects of two types of active vitamin D (calcitriol and doxercalciferol) and two phosphate binders (sevelamer and calcium carbonate) on the bone disease and blood tests of...

Vitamin D/Calcium Polyp Prevention Study

Extensive experimental and observational data suggest that intake of calcium and of vitamin D exert protective effects on colorectal neoplasia. Building on their previous work, the invest...

PubMed Articles [5917 Associated PubMed Articles listed on BioPortfolio]

Morphology Change of Calcium Carbonate in the Presence of Two-Dimensional DNA Lattices.

Two-dimensional DNA lattices are grown under conditions that also are suitable for the magnesium-free growth of three-dimensional calcium carbonate crystals. These lattices are used to template morpho...

Clonorcis sinensis Eggs are Associated with Calcium Carbonate Gallbladder Stones.

Calcium carbonate gallbladder stones were easily neglected because they were previously reported as a rare stone type in adults. The aim of this study was to investigate the relationship between calci...

Effect of strength enhancement of soil treated with environment-friendly calcium carbonate powder.

This study aims to investigate the effects of the strength improvement of soft ground (sand) by producing calcium carbonate powder through microbial reactions. To analyze the cementation effect of cal...

Increased Calcium Absorption from Synthetic Stable Amorphous Calcium Carbonate: Double-blind Randomized Crossover Clinical Trial in Post-menopausal Women.

Calcium supplementation is a widely recognized strategy for achieving adequate calcium intake. We designed this blinded, randomized, crossover interventional trial to compare the bioavailability of a...

Effect of vitamin D supplementation on cathelicidin, IFN-γ, IL-4 and Th1/Th2 transcription factors in young healthy females.

OBJECTIVES:We assessed the effect of cholecalciferol and calcium supplementation on mRNA expression of cathelicidin (LL-37), Th1 and Th2 cytokines and their transcription factors in the peripheral blo...

Medical and Biotech [MESH] Definitions

Carbonic acid calcium salt (CaCO3). An odorless, tasteless powder or crystal that occurs in nature. It is used therapeutically as a phosphate buffer in hemodialysis patients and as a calcium supplement.

A field of chemistry which pertains to chemical compounds or ions that do not contain the element carbon (with the exception of carbon dioxide and compounds containing a carbonate radical, e.g., calcium carbonate).

A plant family of the order Scrophulariales, subclass Asteridae, class Magnoliopsida. It is characterized by simple leaves in opposite pairs, cystoliths (enlarged cells containing crystals of calcium carbonate), and bilaterally symmetrical and bisexual flowers that are usually crowded together. The common name for Ruellia of wild petunia is easily confused with PETUNIA.

A gelatinous membrane overlying the acoustic maculae of SACCULE AND UTRICLE. It contains minute crystalline particles (otoliths) of CALCIUM CARBONATE and protein on its outer surface. In response to head movement, the otoliths shift causing distortion of the vestibular hair cells which transduce nerve signals to the BRAIN for interpretation of equilibrium.

Adhesives used to fix prosthetic devices to bones and to cement bone to bone in difficult fractures. Synthetic resins are commonly used as cements. A mixture of monocalcium phosphate, monohydrate, alpha-tricalcium phosphate, and calcium carbonate with a sodium phosphate solution is also a useful bone paste.

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