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Otolaryngol Head Neck Surg 1998 May;118(5):674-7

Aminoglycoside ototoxicity: prevention in sight?

Schacht J

Kresge Hearing Research Institute, University of Michigan, Ann Arbor 48109-0506, USA.

Despite the development of new antibiotics, the aminoglycosides are still indispensable in the treatment of life-threatening diseases. Worldwide they are the most commonly used antibiotics, and their use is expected to increase in the wake of the rising incidence of tuberculosis. The most prominent side effects of aminoglycoside treatment--cochlear, vestibular, and renal impairment--are a limiting factor in the utility of these drugs. A novel mechanism of gentamicin ototoxicity is based on observations of iron chelation and free radical formation. Predictions from this mechanism have led to successful therapeutic prevention of ototoxicity by use of iron chelators and radical scavengers in guinea pigs. The drugs used for this interventive treatment affect neither serum levels of gentamicin nor its antibacterial efficacy. Because these drugs are in clinical use, the suggested protective treatment should lend itself to clinical trials.

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PMID: 9591868, UI: 98252565

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