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Second-generation drug used for hypertension aids heart function independent of blood pressure
Date:4/22/2012

ing the effect of the central nervous system (CNS) receptors to decrease sympathetic activation and thus reduce blood pressure. In the study, salt-sensitive, hypertensive rats either received Moxonidine or were assigned to the control group. Researchers later found that the animals who received the drug had a marked inhibition of the sympathetic activity (an area of the brain) compared to those that did not. The findings suggest that inhibition of the central sympathetic outflow is important in the mechanism of hypertension. According to Dr. Hirooka, "The findings are important because they suggest that moxonidine may be useful in targeting the central receptors in the brain that are known to occur in patients with hypertension."

Next Steps

The study is the latest in a series conducted by the research team whose focus is on neural control of circulation in hypertension and heart failure. Looking ahead, they will work to identify the precise mechanisms involved in the beneficial effect of moxonidine, Dr. Hirooka said. They will also study other ways to see if the compound is a possible therapeutic tool for hypertensive heart disease to prevent heart failure. As the drug had beneficial effects on insulin resistance, they would like to further investigate the issue, he added.

Maxonidine is available in select countries in Europe and Asia. It is not currently available in the United States.


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Contact: Donna Krupa
media@faseb.org
619-525-6213
Federation of American Societies for Experimental Biology
Source:Eurekalert

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