Camptothecin derivatives as chemoradiosensitizing agents

C - Chemistry – Metallurgy – 07 – D

Patent

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C07D 491/22 (2006.01) A61K 41/00 (2006.01) A61P 35/00 (2006.01) A61K 31/4745 (2006.01)

Patent

CA 2626032

Camptothecin-based compounds are useful for treating a neoplasm in mammalian subjects by administering such compound to the subjects in combination with radiotherapy, i.e., the treatment of tumors with radioactive substances or radiation from a source external to the subject. Camptothecin-based compounds are modified by positioning at least one electron-affinic group around the camptothecin structure to enhance their value in combination with radiotherapy. New Camptothecin-based compounds are disclosed that are useful for treating cancer by administering the novel compounds alone or in combination with radiotherapy.

L'invention porte sur des composés à base de camptothécine qui sont utiles dans le traitement d'un néoplasme chez des sujets mammaliens, composés que l'on administre aux sujets en combinaison avec une radiothérapie, c'est-à-dire un traitement des tumeurs avec des substances radioactives ou rayonnements depuis une source externe au sujet. Les composés à base de camptothécine sont modifiés par positionnement d'au moins un groupe d'affinité électronique autour de la structure de la camptothécine afin de renforcer leur valeur en combinaison avec la radiothérapie. L'invention porte également sur de nouveaux composés à base de camptothécine qui sont utiles dans le traitement du cancer, ces nouveaux composés étant administrés seuls ou en combinaison avec une radiothérapie.

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