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Vitamin D Deficiency in Patients With Hypertension

2014-08-27 03:19:25 | BioPortfolio

Summary

This study will evaluate the effects of Vitamin D replacement and the effects of an approved medication for hypertension, aliskiren (Tekturna), in patients with high blood pressure who have low levels of vitamin D in their blood. The study will compare the effects of vitamin D or aliskiren alone and in combination on 24-hour blood pressure and biochemical parameters.

Description

This study will assess whether aliskiren will lower clinic blood pressure and 24-hour blood pressure in patients with hypertension and vitamin D deficiency. Additionally, this study will further explore the potential additional effects of adding vitamin D to aliskiren in this patient population.

Study Design

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

Conditions

Vitamin D Deficiency

Intervention

aliskiren (Tekturna), cholecalciferol (Vitamin D3), Placebo

Location

University of Connecticut Health Center
Farmington
Connecticut
United States
06030

Status

Recruiting

Source

University of Connecticut Health Center

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:19:25-0400

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Medical and Biotech [MESH] Definitions

A nutritional condition produced by a deficiency of VITAMIN D in the diet, insufficient production of vitamin D in the skin, inadequate absorption of vitamin D from the diet, or abnormal conversion of vitamin D to its bioactive metabolites. It is manifested clinically as RICKETS in children and OSTEOMALACIA in adults. (From Cecil Textbook of Medicine, 19th ed, p1406)

A nutritional condition produced by a deficiency of VITAMIN E in the diet, characterized by posterior column and spinocerebellar tract abnormalities, areflexia, ophthalmoplegia, and disturbances of gait, proprioception, and vibration. In premature infants vitamin E deficiency is associated with hemolytic anemia, thrombocytosis, edema, intraventricular hemorrhage, and increasing risk of retrolental fibroplasia and bronchopulmonary dysplasia. An apparent inborn error of vitamin E metabolism, named familial isolated vitamin E deficiency, has recently been identified. (Cecil Textbook of Medicine, 19th ed, p1181)

A nutritional condition produced by a deficiency of VITAMIN A in the diet, characterized by NIGHT BLINDNESS and other ocular manifestations such as dryness of the conjunctiva and later of the cornea (XEROPHTHALMIA). Vitamin A deficiency is a very common problem worldwide, particularly in developing countries as a consequence of famine or shortages of vitamin A-rich foods. In the United States it is found among the urban poor, the elderly, alcoholics, and patients with malabsorption. (From Cecil Textbook of Medicine, 19th ed, p1179)

A nutritional condition produced by a deficiency of VITAMIN B 12 in the diet, characterized by megaloblastic anemia. Since vitamin B 12 is not present in plants, humans have obtained their supply from animal products, from multivitamin supplements in the form of pills, and as additives to food preparations. A wide variety of neuropsychiatric abnormalities is also seen in vitamin B 12 deficiency and appears to be due to an undefined defect involving myelin synthesis. (From Cecil Textbook of Medicine, 19th ed, p848)

A cytochrome P-450 enzyme that has specificity for CHOLECALCIFEROL (Vitamin D3). It hydroxylates the molecule at carbon position 24.

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