Compositions, methods and kits for potentiating antitumor effect

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

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514274, 514348, A61K 3153, A61K 31505, A61K 3144

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active

055256031

ABSTRACT:
This invention provides a composition, method and kit for potentiating the antitumor effect of tegafur and reducing the side effects of tegafur, comprising a compound of the formula ##STR1## wherein X is a halogen atom or a cyano group and oxonic acid or a pharmaceutically acceptable salt thereof, and also provides a composition, method and kit for treating a tumor, comprising tegafur, a compound of the formula (I) and oxonic acid or a pharmaceutically acceptable salt thereof.

REFERENCES:
patent: 5116600 (1992-05-01), Fujii et al.
patent: 5155113 (1992-10-01), Fujii
Japanese J. Cancer Res. vol. 78, No. 7, 1987, pp. 748-755 "Inhibitory effects of pyrimidine, barbituric acid and pyridine derivatives on 5-fluorouracil degradation in rat liver extracts."
STN International, Karlsruhe, File Ca, Chemical Abstract "Oxonic acid for prevention of nausea and vomiting induced by 5-fluorouracils" (which corresponds to JP-A-5078249) published on Mar. 30, 1993.
Derwent Publication Ltd., corresponding to 56-46867. Apr. 28, 1981.

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