Dexrazoxane: Difference between revisions
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The sentence removed made no sense in that context. It was likely copied from a bottle of the substance. The molecule dexrazoxane is not itself a sterile lyophilized powder, that's just how it is disseminated. |
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'''Dexrazoxane hydrochloride''' ('''Zinecard''', '''Cardioxane''') is a cardioprotective agent. It was discovered by [[Kurt Hellmann]] in 1972 |
'''Dexrazoxane hydrochloride''' ('''Zinecard''', '''Cardioxane''') is a cardioprotective agent. It was discovered by [[Kurt Hellmann]] in 1972. The IV administration of dexrazoxane is in acidic condition with HCl adjusting the pH.<ref>http://www.rxlist.com/zinecard-drug.htm</ref> |
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==Uses== |
==Uses== |
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Revision as of 14:25, 15 August 2018
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| AHFS/Drugs.com | Monograph |
| MedlinePlus | a609010 |
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| CompTox Dashboard (EPA) | |
| ECHA InfoCard | 100.163.459 |
| Chemical and physical data | |
| Formula | C11H16N4O4 |
| Molar mass | 268.269 g/mol g·mol−1 |
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Dexrazoxane hydrochloride (Zinecard, Cardioxane) is a cardioprotective agent. It was discovered by Kurt Hellmann in 1972. The IV administration of dexrazoxane is in acidic condition with HCl adjusting the pH.[1]
Uses
Dexrazoxane has been used to protect the heart against the cardiotoxic side effects of chemotherapeutic drugs such as anthracyclines,[2] such as daunorubicin or doxorubicin or other chemotherapeutic agents.[3] However, in July 2011 the US Food and Drug Administration released a statement restricting use only in adult patients with cancer who have received > 300 mg/m2 doxorubicin (an anthracycline) or > 540 mg/m2 epirubicin (another chemotherapeutic agent) and general approval for use for cardioprotection.[4][5] That showed a possibly higher rate of secondary malignancies and acute myelogenous leukemia in pediatric patients treated for different cancers with both dexrazoxane and other chemotherapeutic agents that are associated with secondary malignancies.[6]
The United States Food and Drug Administration has also approved a dexrazoxane hydrochloride drug, brand names Totect and Savene (approved in the EU) marketed by Clinigen Group, for use as a treatment of extravasation resulting from IV anthracycline chemotherapy.[7][8] Extravasation is an adverse event in which chemotherapies containing anthracylines leak out of the blood vessel and necrotize the surrounding tissue.
Mechanism
As a derivative of EDTA, dexrazoxane chelates iron and thus reduces the number of metal ions complexed with anthracycline and, consequently, decrease the formation of superoxide radicals.[9] The exact chelation mechanism is unknown, but it has been postulated that dexrazoxane can be converted into ring-opened form intracellularly and interfere with iron-mediated free radical generation that is in part thought to be responsible for anthryacycline induced cardiomyopathy.[10] It was speculated that dexrazoxane could be used for further investigation to synthesize new antimalarial drugs.[11]
References
- ^ http://www.rxlist.com/zinecard-drug.htm
- ^ Lipshultz, Steven E.; Rifai, Nader; Dalton, Virginia M.; Levy, Donna E.; Silverman, Lewis B.; Lipsitz, Stuart R.; Colan, Steven D.; Asselin, Barbara L.; et al. (2004). "The Effect of Dexrazoxane on Myocardial Injury in Doxorubicin-Treated Children with Acute Lymphoblastic Leukemia". New England Journal of Medicine. 351 (2): 145–53. doi:10.1056/NEJMoa035153. PMID 15247354.
- ^ Bjelogrlic, Snezana K.; Radic, Jelena; Radulovic, Sinisa; Jokanovic, Milan; Jovic, Viktor (2007). "Effects of Dexrazoxane and Amifostine on Evolution of Doxorubicin Cardiomyopathy in Vivo". Experimental Biology and Medicine. 232 (11): 1414–24. doi:10.3181/0705-RM-138. PMID 18040065.
- ^ Tebbi CK, et al. J Clin Oncol 2007; 25: 493–500
- ^ Salzer WL, et al. Leukemia 2010; 24: 355–70
- ^ "FDA Statement on Dexrazoxane".
- ^ Totect label on FDA's website
- ^ Kane, Robert C.; McGuinn, W. David; Dagher, Ramzi; Justice, Robert; Pazdur, Richard (2008). "Dexrazoxane (Totect™): FDA Review and Approval for the Treatment of Accidental Extravasation Following Intravenous Anthracycline Chemotherapy". The Oncologist. 13 (4): 445–50. doi:10.1634/theoncologist.2007-0247. PMID 18448560.
- ^ Jones, Robin L. (2008). "Utility of dexrazoxane for the reduction of anthracycline-induced cardiotoxicity". Expert Review of Cardiovascular Therapy. 6 (10): 1311–7. doi:10.1586/14779072.6.10.1311. PMID 19018683.
- ^ http://labeling.pfizer.com/ShowLabeling.aspx?id=514
- ^ Loyevsky, Mark; Sacci, John B.; Boehme, Patricia; Weglicki, William; John, Christy; Gordeuk, Victor R. (1999). "Plasmodium falciparum and Plasmodium yoelii: Effect of the Iron Chelation Prodrug Dexrazoxane on in Vitro Cultures". Experimental Parasitology. 91 (2): 105–14. doi:10.1006/expr.1998.4371. PMID 9990337.