Protective effect of Pycnogenol on cisplatin-induced ototoxicity in rats.
2016
AbstractContext: Pycnogenol®, which is French maritime pine bark extract, is a potent antioxidant. It is used in medical conditions caused by oxidative stress. Cisplatin (cis-diamminedichloroplatinum II) is an antineoplastic agent. However, its serious side effects such as ototoxicity limit its usage.Objective: Antioxidants can be used to prevent ototoxicity. We investigated the effect of Pycnogenol® on cisplatin-induced ototoxicity.Materials and methods: Rats were randomly assigned to four groups of five. Distortion product-evoked otoacoustic emissions (DPOAE) test was performed for each rat. The experimental groups were as follows: Control Group, Pycnogenol® Group: 10 mg/kg Pycnogenol® intraperitoneally for 7 days, Cisplatin Group: intraperitoneally 15 mg/kg single injection of cisplatin on the fifth day, Cisplatin + Pycnogenol® Group: intraperitoneally 10 mg/kg Pycnogenol® treatment for 7 days, additionally on the fifth day, 15 mg/kg single injection of cisplatin was given. On the eighth day, DPOAE was...
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