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  • Title: Protective effects of dithiocarbamates against renal toxicity of cis-diamminedichloroplatinum in rats.
    Author: Hidaka S, Tsuruoka M, Funakoshi T, Shimada H, Kiyozumi M, Kojima S.
    Journal: Ren Fail; 1994; 16(3):337-49. PubMed ID: 8059017.
    Abstract:
    Sodium diethyldithiocarbamate (DDTC), sodium N-benzyl-D-glucamine dithiocarbamate (BGD), sodium N-p-hydroxymethylbenzyl-D-glucamine dithiocarbamate (HBGD), and sodium N-p-carboxybenzyl-D-glucamine dithiocarbamate (CBGD) were evaluated for efficacy as inhibitors of cis-diamminedichloroplatinum (DDP)-induced nephrotoxicity in a rat model. Treatments with 2.0 mmol/kg of BGD, HBGD, and CBGD immediately after DDP (20 mumol/kg) injection effectively prevented the nephrotoxic effects of DDP, but administration of DDTC immediately after DDP injection afforded a small protection. Concurrent treatment with 0.5 or 1.0 mmol/kg of HBGD, or 1.0 mmol/kg of CBGD could prevent DDP-induced renal damage. A significant decrease in weight loss was also observed in these dithiocarbamate-rescued rats. The platinum concentrations in liver and kidney were significantly decreased by BGD, HBGD, and CBGD treatments, respectively. The antitumor efficacy of DDP in the Walker 256 carcinoma-bearing rats was not affected by administration of HBGD (1.0 mmol/kg) or CBGD (1.0 mmol/kg). The results of this study indicated that the injection of HBGD or CBGD to rats treated with DDP can protect against DDP-induced nephrotoxicity more effectively than DDTC or BGD.
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