Prophylactic etanercept treatment in cisplatin ototoxicity

Abstract

The aim of our study was to evaluate the audiological protective effects of etanercept using distortion product otoacoustic emission (DPOAE) in rats with hearing loss due to cisplatin ototoxicity. The study began with 36 healthy female albino rats; 31 rats had good measurements in DPOAE and were included in the study. On day 0, a single dose of etanercept was given by intraperitoneal administration to 15 rats (etanercept group). No medication was given to the control group. After 24 h, 16 mg/kg cisplatin was given to all rats. DPOAE measurements were performed on the 3rd, 7th, and 21st day. After the DPOAE test on the 21st day, the animals were killed by decapitation. Between-group and intra-group comparisons were made using the data of the two groups. A statistically significant difference was observed on the 3rd day at 4921 Hz and higher frequencies, on the 7th day at 6064 Hz and higher frequencies, and on the 21st day at 6494 Hz and higher frequencies (p < 0.05). We observed 10% ototoxicity in the etanercept group and 56% ototoxicity in the control group. A single dose of etanercept 1 day before cisplatin administration decreases cisplatin ototoxicity in the early period. This effect comes to the fore especially over 4500 Hz frequencies at 65 dB and higher.

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