Abstract
Adriamycin is a widely used anticancer agent but the cumulative dose-dependent cardiotoxicity severely limits the use of Adriamycin in the treatment of neoplastic diseases. Recent evidence suggests that Adriamycin forms reactive free radical species which may oxidize cellular components and produce the cardiomyopathy. Sulfhydryl donors and antioxidants have been effective in preventing acute Adriamycin cardiotoxicity in animal models presumably by scavenging the free radicals generated by Adriamycin. The sulfhydryl donors, namely cysteamine and N-acetyl cysteine, do not interfere with Adriamycin's antitumor activity. The results from these studies give considerable hope that the chronic cardiotoxicity from Adriamycin may be attenuated in people, thereby givinh additional therapeutic benefit from this antitumor agent.
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