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Generated: August 20, 2017

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Title: Agents for alleviating side effects
Abstract:The present invention provides an agent for alleviating side effects caused by use of an anti-tumor agent, which contains 5-chloro-6-(2-iminopyrrolidin-1-yl)methyl-2,4(1H,3H)-pyrimidi nedione (1) represented by formula (1): ##STR1## or a pharmaceutically acceptable salt thereof. The 5-chloro-6-(2-iminopyrrolidin-1-yl)methyl-2,4(1H,3H)-pyrimidinedione or a pharmaceutically acceptable salt thereof exhibit an inflammatory-suppressing action in the digestive tract and advantageously alleviate diarrhea and loss of body weight concomitant with administration of a chemical for treating cancer without suppressing the anti-tumor effect. Thus, the compounds of the present invention are of great value as agents for alleviating side effects caused by use of an anti-tumor agent, which enable not only the chemotherapy to be continuedly carried out, but also the body exhaustion to be effectively prevented.
Inventor(s): Fukushima; Masakazu (Hannou, JP), Yamamoto; Noriyuki (Sayama, JP), Suzuki; Norihiko (Hidaka, JP)
Assignee: Taiho Pharmaceutical Co., Ltd. (Tokyo, JP)
Application Number:09/701,041
Patent Claims: 1. A method for alleviating side effects caused by use of an anti-tumor agent comprising administering 5-chloro-6-(2-iminopyrrolidin-1-yl)methyl-2,4(1H,3H)-pyrimidinedione represented by formula (1): ##STR3##

or a pharmaceutically acceptable salt thereof to a patient to whom an anti-tumor agent has been administered.

2. A method according to claim 1, wherein the side effect caused by use of the anti-tumor agent is nausea, vomiting, diarrhea, anorexia, or loss of body weight.

3. A method according to claim 1 or 2, wherein the anti-tumor agent is an antimetabolite, an alkylating agent, a plant-derived compound, an antibiotic, or a platinum-containing agent.

4. A method according to claim 1 or 2, wherein the anti-tumor agent is 5-trifluoromethyl-2'-deoxyuridine, 5-fluorouracil, irinotecan hydrochloride, or cisplatin.
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