Abstract
In order to clarify the toxicity of the antineoplastic drugs, bleomycin (BLM), peplomycin (PEP) and cis-diamminedichloroplatinum (CDDP), which are commonly used to treat head and neck cancer by simultaneous administration, the semiacute toxicity of each of these drugs in rats was studied as an initial step. Body-weight change, general behavior, red blood cell count (RBC), white blood cell count (WBC), serum biochemistry (s-GOT, s-GPT, BUN, GLU, ALB, TP), A/G ratio, relative organ weight and histopathological features were determined. BLM and PEP given by ip administration once a week produced severe diarrhea, decreased diet consumption, emaciation, piloerection and loss of hair, enhancements of RBC and WBC, several changes in serum biochemistry, proliferation and mitosis of epithelial cells in the forestomach and occasional granular and vacuolar degeneration in the liver. CDDP administered in the same manner produced a significant decrease of WBC, several changes in serum biochemistry parameters especially BUN, an increased focal-segmental mesangial matrix in the glomeruli and vacuolar degeneration of epithelial cells of the convoluted tubule of the kidney.
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