Cardiotoxicity secondary to Adriamycin is a serious problem. The mechanisms generally attributed to its toxicity involve free radial mediated injury. One of the important consequences of excessive free radical generation in the cardiovascular system is the depletion of Nitric Oxide (NO). NO is a key signaling molecule that is required in diverse cellular processes and is also involved in the preservation of systolic and diastolic function. Modalities that either deplete or enhance cardiac NO are known to influence myocardial function negatively or positively respectively. Vessel wall endothelial function may be used as a non-invasive read-out of systemic NO availability. In this study we propose to use this simple modality to evaluate the effects of acute Adriamycin administration used in current chemotherapeutic protocols. We will also simultaneously obtain data on diastolic function of the heart using a novel method-3D echocardiography to provide a correlate of myocardial function.

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
General Clinical Research Centers Program (M01)
Project #
5M01RR000042-40
Application #
6408521
Study Section
General Clinical Research Centers Committee (CLR)
Project Start
1977-12-01
Project End
2001-02-28
Budget Start
Budget End
Support Year
40
Fiscal Year
2000
Total Cost
Indirect Cost
Name
University of Michigan Ann Arbor
Department
Type
DUNS #
791277940
City
Ann Arbor
State
MI
Country
United States
Zip Code
48109
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