The present invention provides pharmaceutical compositions containing a pyrylium compound, a thiopyrylium compound, a selenopyrylium compound or a telluropyrylium compound or a salt of any of the aforesaid compounds as active ingredient. The compounds are selectively absorbed by cancer cells or similar growths in the human or animal body and can be used to bring about distruction of the unwanted growth on irradiation with light of wavelength 600nm to 1000nm.
The invention also provides a method for the treatment of the human or animal body which comprises administering the compound to a human or animal and irradiating a locus in said animal where the compound is absorbed in order to kill cells at that locus. It further comprises the use of the aforesaid compound for the making of a medicament for use in the treatment of cancer in humans and animals.
本发明提供了含有
吡镱化合物、
硫吡镱化合物、
硒吡镱化合物或
碲吡镱化合物或上述任一化合物的盐作为活性成分的药物组合物。这些化合物可被人或动物体内的癌细胞或类似的生长物选择性吸收,在波长为 600nm 至 1000nm 的光照射下,可用于破坏不需要的生长物。
本发明还提供了一种治疗人体或动物体的方法,该方法包括给人或动物施用该化合物,并照射动物体内吸收该化合物的部位,以杀死该部位的细胞。该方法还包括使用上述化合物制造用于治疗人类和动物癌症的药物。