Effect of cisplatin on distortion product otoacoustic emissions in Japanese patients

The Laryngoscope
Peem EiamprapaiJuichi Ito

Abstract

Although it is well known that cisplatin is associated with ototoxicity, there is still a lack of knowledge concerning the ototoxicity of cisplatin, especially in Japanese head and neck cancer patients. The objectives of this study were to determine the incidence rate of cisplatin ototoxicity and to determine the threshold dose causing ototoxicity in the Japanese population. Before-and-after study in a tertiary referral hospital. The distortion product otoacoustic emission (DPOAE) was measured 1 week after each administration of cisplatin in 44 Japanese head and neck cancer patients treated at Kyoto University Hospital. We determined the incidence and threshold dose of cisplatin ototoxicity according to DPOAE data. The incidence of ototoxicity detected by DPOAE was 77.3%. The average DPOAE value was significantly lower in patients who received more than 200 mg/m(2) cisplatin than the baseline DPOAE value. The threshold dose for cisplatin ototoxicity was lower in Japanese patients than in European patients. Our data suggest that Japanese patients are more susceptible to cisplatin-induced ototoxicity. This is presumably caused by a genetic difference.

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Citations

Jun 19, 2013·Trends in Pharmacological Sciences·Thorsten LangerOliver Zolk
Aug 21, 2014·BioMed Research International·Felician Chirtes, Silviu Albu
Mar 13, 2016·International Journal of Pediatric Otorhinolaryngology·Mun Young ChangMoo Kyun Park
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Apr 27, 2017·Clinical Cancer Research : an Official Journal of the American Association for Cancer Research·Brandon MapesM Eileen Dolan

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