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    • 8. 发明公开
    • POTENTIATOR OF RADIATION THERAPY
    • 电位器FÜRDIE STRAHLENTHERAPIE
    • EP2036903A1
    • 2009-03-18
    • EP07790232.8
    • 2007-06-28
    • Taiho Pharmaceutical Co., Ltd.
    • FUKUSHIMA, Masakazu
    • C07D403/06A61P35/00A61P43/00A61K31/513A61K31/7072
    • C07D403/06A61K31/513A61K31/7072
    • To provide a radiation therapy potentiator, which, when employed in combination with cancer radiation therapy, can reduce radiation dose and can mitigate adverse effects.
      The invention provides a radiation therapy potentiator containing, as an effective ingredient, a uracil derivative represented by formula (1) (wherein R 1 represents a halogen atom or a cyano group; and R 2 represents a 4- to 8-membered heterocyclic group having 1 to 3 nitrogen atoms and optionally having as a substituent a lower alkyl group, an imino group, a hydroxyl group, a hydroxymethyl group, a methanesulfonyloxy group, or an amino group; an amidinothio group in which a hydrogen atom attached to a nitrogen atom may be substituted by a lower alkyl group; a guanidino group in which a hydrogen atom attached to a nitrogen atom may be substituted by a lower alkyl group or a cyano group; a lower alkylamidino group; or a 1-pyrrolidinylmethyl group) or a pharmaceutically acceptable salt thereof.
    • 提供放射治疗增强剂,当与癌症放射治疗组合使用时,可以减少辐射剂量并减轻不良反应。 本发明提供一种放射治疗增效剂,其含有作为有效成分的式(1)表示的尿嘧啶衍生物(其中,R 1表示卤素原子或氰基),R 2表示4〜8元杂环基, 1〜3个氮原子,任选具有低级烷基,亚氨基,羟基,羟甲基,甲磺酰氧基或氨基作为取代基;脒基硫基,其中连接到氮原子上的氢原子 可以被低级烷基取代;其中与氮原子连接的氢原子可以被低级烷基或氰基取代的胍基,低级烷基脒基或1-吡咯烷基甲基)或药学上可接受的盐 其可接受的盐。