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| Chemical, biological and clinical aspects of dexrazoxane and other bisdioxopiperazines |
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| Author(s): Hasinoff BB, Hellmann K, Herman EH, Ferrans VJ |
| Source: CURRENT MEDICINAL CHEMISTRY Volume: 5 Issue: 1 Pages: 1-28 Published: FEB 1998 |
| Times Cited: 76 References: 223 |
| Abstract: The bisdioxopiperazine dexrazoxane (ICRF-187) has proven to be clinically very effective in reducing the cardiotoxicity of doxorubicin and other anthracyclines. Doxorubicin is thought to exert its toxicity through iron-based oxygen free radical-induced oxidative stress on the relatively unprotected cardiac muscle. Upon hydrolysis, dexrazoxane forms a compound similar to ethylenediaminetetraacetic acid (EDTA) which, like EDTA, is a strong chelator of iron. Dexrazoxane presumably exerts its cardioprotective effects by either binding free or loosely bound iron, or iron complexed to doxorubicin, thus preventing or reducing site-specific oxygen radical production that damages cellular components. The chemistry, biochemistry, and cell biology of dexrazoxane and other bisdioxopiperazines are discussed. The pre-clinical studies demonstrating the protective effects of dexrazoxane against toxicities caused by doxorubicin, other anthracyclines, bleomycin, alloxan. acetaminophen, and oxygen are also discussed. in vitro and in vivo studies of the cardioprotective and other effects of other bisdioxopiperazines are also covered. Also discussed are the anti-metastatic and radiosensitization effects of razoxane and dexrazoxane. The current clinical status of dexrazoxane in preventing anthracycline-induced toxicities in both adult and pediatric patients is reviewed. |
| Document Type: Review |
| Language: English |
| Reprint Address: Hasinoff, BB (reprint author), Univ Manitoba, Fac Pharm, Winnipeg, MB R3T 2N2 Canada |
Addresses:
1. Univ Manitoba, Fac Pharm, Winnipeg, MB R3T 2N2 Canada
2. Windleshaw House, Withyham 7N7 4DB, E Sussex England
3. US FDA, Ctr Drug Evaluat & Res, Div Appl Pharmacol Res, Laurel, MD 20708 USA
4. NHLBI, Pathol Sect, NIH, Bethesda, MD 20892 USA |
| Publisher: BENTHAM SCIENCE PUBL BV, PO BOX 1673, 1200 BR HILVERSUM, NETHERLANDS |
| Subject Category: Biochemistry & Molecular Biology; Chemistry, Medicinal; Pharmacology & Pharmacy |
| IDS Number: YZ154 |
| ISSN: 0929-8673 |
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