Drug – bio-affecting and body treating compositions – Enzyme or coenzyme containing – Hydrolases
Patent
1981-05-20
1985-06-04
Goldberg, Jerome D.
Drug, bio-affecting and body treating compositions
Enzyme or coenzyme containing
Hydrolases
514274, A61K 3748, A61K 3170, A61K 31505
Patent
active
045214069
ABSTRACT:
An antitumor agent comprising a combination of 5-fluorocytosine and cytosinedeaminase has been developed. As to the practical administration procedure of the agent, it is preferable to carry out in such a manner that 5-fluorocytosine is first administered in any portion of the body, and cytosinedeaminase is then administered into the topically suffered portion. The administered 5-fluorocytosine is transferred into the suffered portion, and the 5-fluorocytosine is affected with the action of cytosinedeaminase to convert the former compound into 5-fluorouracil, resulting in that the necrosis of the tumor tissue is caused.
REFERENCES:
Chemical Abstracts 91:69278t (1979).
Itoh Tomiyoshi
Kawamura Yasuo
Nishiyama Tadashi
Sakai Takuo
Chisso Corporation
Goldberg Jerome D.
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