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Atherosclerosis (in particular stroke and heart attack) is the most important health issue in modernized society and high blood pressure is an important predisposing factor. Hypertensive subjects with other chronic disease such as diabetes mellitus or impaired renal function are particularly vulnerable to these atherosclerotic complications in spite of standard antihypertensive therapies.
Danshen and Gegen are commonly used in Chinese materia medica as treatment for cardiac symptoms and atherosclerosis-related disorders.
The objective of this study is to test Danshen and Gegen as an cardiovascular-protective adjunctive regimen to prevent high-risk hypertensive cohort from primary atherosclerosis.
Danshen and Gegen (D&G) are two traditional herbal medicines used for cardiac symptoms in ancient Chinese medicinal literature. Recent studies suggest their therapeutic effects in blood pressure and lipid-lowering, anti-oxidation, microcirculation-promoting, foam cells-modulation and have beneficial effects on atherogenic process in coronary patients.
To evaluate the potential of D&G in primary atherosclerosis prevention in high risk hypertension. Patients with high risk hypertension associated with left ventricular hypertrophy, diabetes mellitus and renal insufficiency were randomized to receive D&G herbal capsules (2gm/day), or (1gm/day) or identical placebo capsules in double-blind and parallel fashion for 12 months on top of their anti-hypertensive treatments. Flow-mediated dilation (endothelium-dependent dilation, FMD) and nitroglycerin-induced dilation (endothelium-independent dilation, NTG) of brachial artery, and carotid intima-media thickness (surrogate atherosclerosis marker, IMT) were measured by high resolution B-mode ultrasound.
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator, Outcomes Assessor), Primary Purpose: Treatment
D&G 2g, D&G 1g, Placebo
Prince of Wales Hospital
Chinese University of Hong Kong
Published on BioPortfolio: 2014-08-27T03:17:12-0400
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