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  • Title: [Effect of FT-207 on bladder cancer in rats induced by BBN. II: The effect of oral administration of FT-207 during oncogenesis of bladder cancer].
    Author: Okajima E, Hiramatsu T, Kihoin K, Ijuin M, Hirao Y, Ohara S, Babaya K, Tanaka M, Maruyama Y.
    Journal: Gan To Kagaku Ryoho; 1982 Mar; 9(3):473-9. PubMed ID: 6820898.
    Abstract:
    The effect of Tegafur (FT-207) by oral administration on the development of urinary bladder tumors in Wistar strain male rats induced by N-butyl-N-(4-hydroxybutyl) nitrosamine (BBN) was studied. Urinary bladder tumors were induced in 18 of 20 rats (90.0%) when rats were given 0.05% BBN in the drinking water for 8 weeks and then given water without BBN for 12 weeks. When FT-207 100mg/kg B. W./day was given in their diet after treatment with 0.05% BBN for 8 weeks, tumors developed in the urinary bladder with low incidence (9 of 16 rats: 56.3%). Hematotoxicity was not observed in all animals treated with FT-207. These results shows that FT-207 also inhibited the development of urinary bladder tumors treated with BBN in rats by oral administration, which were similar those our previous results showed by intraperitoneal administration of FT-207.
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