申请人:SRI International
公开号:US05215738A1
公开(公告)日:1993-06-01
A method for radiosensitizing hypoxic tumor cells in a warm-blooded animal is provided. The method involves administration of a nicotinamide compound having the structural formula ##STR1## wherein X is O or S, and Z is H, OR, SR or NHR where R is as defined herein. Exemplary compounds for use in conjunction with the disclosed method include: 5-hydroxynicotinamide; 5-hydroxynicotinamide, sodium salt; 5-(2,3-dihydroxypropoxy)nicotinamide; 5-aminonicotinamide; 5-(2-methoxyethylamino)nicotinamide; and 5-acetamidonicotinamide.
本发明提供了一种用于使温血动物中低氧肿瘤细胞放射敏化的方法。该方法涉及给予具有结构式##STR1##的烟酰胺化合物,其中X为O或S,Z为H,OR,SR或NHR,其中R如定义所述。用于与所披露方法结合使用的示例化合物包括:5-羟基烟酰胺;5-羟基烟酰胺,钠盐;5-(2,3-二羟基丙氧基)烟酰胺;5-氨基烟酰胺;5-(2-甲氧乙基氨基)烟酰胺;以及5-乙酰胺基烟酰胺。