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  • Title: [Antineoplastic effect of UFT therapy (uracil-FT-207 combination therapy) on experimental pancreatic cancer transplanted in the pancreas and subcutaneous region].
    Author: Ohyama K, Koike D, Odake Y, Takiyama Y, Saitoh T, Kagaya T, Takebe T, Ishii K.
    Journal: Gan To Kagaku Ryoho; 1982 Dec; 9(12):2168-74. PubMed ID: 6307180.
    Abstract:
    The pancreatic duct cell adenocarcinoma induced by di-isopropanol nitrosamine could be easily and repeatedly transplanted into the subcutaneous or pancreatic tissues of the homologous animals. We established a tumor bearing animal design in which tumor tissues were transplanted simultaneously into subcutaneous and pancreatic tissues. At the first week after the transplantation, the animals were divided into three groups: In FT group FT-207 was given at a dose of 15 mg/kg/day, in UFT group FT-207 and uracil were given at a dose of 3 mg/kg/day and; 6.7 mg/kg/day (molar ratio; 1:4), respectively and in control group a solvent of FT-207 was given. In all groups the drugs were administrated orally for ten days. The size of tumors transplanted in subcutaneous and pancreatic tissues increased more slowly in FT and UFT groups, as compared with that of control group. The inhibitory effect on tumor growth observed in UFT group was more striking than that in FT group. No major side effects were observed in all groups. At the fourth weeks after subcutaneous and intrapancreatic transplantation, the animals were divided into two groups: In FT group FT-207 was given at a dose of 30 mg/kg and in UFT group FT-207 and uracil were given at a dose of 30 mg/kg and 67.2 mg/kg, respectively. In both groups the drugs were given orally, and at one hour after the administration all the animals were killed to determine 5-FU concentration in various tissues. The 5-FU concentrations of subcutaneous and intrapancreatic transplanted tumor tissues were significantly higher in UFT group than those in FT group. UFT therapy, therefore, seems to be hopeful for the treatment of human pancreatic cancer.
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