Stimulatory Effect of N-(4-(2-(Dimethylamino)-ethoxy)benzyl)-3,4-Dimethoxybenzamide Hydrochloride(HSR-803)on Normal and Delayed Gastrointestinal Propulsion.
スポンサーリンク
概要
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To estimate the effect of a new gastroprokinetic agent, N-[4-[2-(dimethylamino)ethoxy]benzyl]-3, 4-dimethoxybenzamide hydrochloride (HSR-803), on non-ulcer dyspepsia, the influence of HSR-803 on gastrointestinal propulsion was assayed in dogs, rats and mice in comparison with some gastroprokinetic agents. HSR-803 (30 mg/kg, p.o.) significantly enhanced gastric emptying in dogs, and it significantly improved the delayed gastric emptying induced by dopamine (0.4 mg/kg, i.p.) and morphine (1 mg/kg, s.c.) in rats. Metoclopramide (30 mg/kg, p.o.) also significantly restored the dopamine-induced delay, but at a dose of 10 mg/kg, p.o., it enhanced the morphine-induced delay in gastric emptying in rats. HSR-803 (10-100 mg/kg, p.o.) increased small intestinal transit in mice in a dose-dependent manner, and the effect was abolished by atropine (0.3 mg/kg, i.p.). Metoclopramide also increased small intestinal transit, but domperidone and cisapride had no effect. In delayed small intestinal transit in mice, HSR-803 (10-100 mg/kg, p.o.) improved the morphine (0.3 mg/kg, s.c.)-induced delay in a dose-dependent manner. In conclusion, because of the promotion of normal and delayed gastrointestinal propulsion, HSR-803 seems to be a promising gastroprokinetic agent for the treatment of non-ulcer dyspepsia. The action of HSR-803 is likely to be exerted through cholinergic stimulation.
- 公益社団法人 日本薬理学会の論文
著者
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ITOH Zen
GI Laboratory, Institute for Molecular and Cellular Regulation, Guma University
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KATO Hideo
Central Research Laboratories, Hokuriku Seiyaku Co., Ltd.
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MORIKAWA Kouji
Central Research Laboratories, Hokuriku Seiyaku Co., Ltd.
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ITO Yasuo
Central Research Laboratories, Hokuriku Seiyaku Co., Ltd.
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Ito Yasuo
Central Research Laboratories, Hokuriku Seiyaku, Co., Ltd.
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Itoh Zen
GI Laboratory, Institute of Endocrinology, Gunma University
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Morikawa Kouji
Central Research Laboratories, Hokuriku Seiyaku, Co., Ltd.
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Miyashita Naoshi
Central Research Laboratories, Hokuriku Seiyaku, Co., Ltd.
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Iwanaga Yuji
Central Research Laboratories, Hokuriku Seiyaku, Co., Ltd.
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Mizutani Fujie
Central Research Laboratories, Hokuriku Seiyaku, Co., Ltd.
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Iwanaga Yuji
Central Research Laboratories, Hokuriku Seiyaku Co., Ltd.
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