期刊
CANCER TREATMENT REVIEWS
卷 32, 期 5, 页码 390-397出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ctrv.2006.04.011
关键词
cisplatin; ototoxicity; otoprotection; chemoprotection; transtympanic
类别
Cisplatin is one of the most commonly used cytotoxic agents. ototoxicity is an important and dose-limiting side-effect of cisplatin therapy. It is believed that cisplatin suppresses the formation of endogenous anti-oxidants that normally prevent the inner ear against reactive oxygen species (ROS). These ROS affect the outer hair cells (OHCs) in the organ of Corti. Results from clinical trials with amifostine, an anti-oxidant with possible otoprotective action during cisplatin therapy, were disappointing. A variety of agents with chemoprotective action against cisplatin-induced ototoxicity were successfully tested in animal models. It is important to translate these promising results from animal models into clinical practice. The possible routes of administration are systemic and transtympanic. An important condition when using such an agent systemically is that the compound may not affect the anti-tumor effect of cisplatin. The critical step at transtympanic administration is the diffusion of the compound through the round window membrane (RWM). This diffusion depends on the characteristics of the medication as on the properties of the RWM. Positive results of an otoprotector in clinical practice may increase the effectiveness of cisplatin therapy and can improve the quality of life for a large group of patients. (c) 2006 Elsevier Ltd. All rights reserved.
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