インドメタシンによる胃出血および胃粘膜損傷に対するランソプラゾールの作用

  • 村上 泉
    武田薬品工業 (株), 創薬研究本部・創薬第3研究所
  • 浅野 正一
    武田薬品工業 (株), 創薬研究本部・創薬第3研究所
  • 幸重 浩一
    武田薬品工業 (株), 創薬研究本部・創薬第3研究所
  • 長屋 秀明
    武田薬品工業 (株), 創薬第1研究所
  • 佐藤 宏
    武田薬品工業 (株), 医薬開発本部・海外開発
  • 稲富 信博
    武田薬品工業 (株), 創薬研究本部・創薬第3研究所

書誌事項

タイトル別名
  • Effects of lansoprazole on indomethacin-induced gastric bleeding and mucosal lesions in rats.
  • インドメタシン ニヨル イ シュッケツ オヨビ イ ネンマク ソンショウ ニ

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抄録

The effects of lansoprazole given intravenously on indomethacin-induced gastric bleeding and mucosal lesions were investigated in rats in comparison with those of omeprazole, famotidine and ranitidine. Lansoprazole inhibited gastric bleeding induced by indomethacin with an ID50 value of 0.29 mg/kg. Omeprazole and famotidine significantly inhibited gastric bleeding, but ranitidine provided negligible inhibition. A correlation was found between the inhibitory action of lansoprazole on gastric bleeding, and acid secretion, and its inhibitory action on gastric bleeding was almost completely abolished by adding 50 mM-HCl to the gastric perfusate, suggesting that lansoprazole's inhibitory action on gastric bleeding was mainly due to its antisecretory action. Lansoprazole inhibited the development of gastric lesions induced by indomethacin with an ID50 value of 0.10 mg/kg, whereas histamine H2-receptor antagonists did not display a potent inhibitory effect. ID50 values for omeprazole, famotidine and ranitidine were 0.69, 2.58 and 24.6 mg/kg, respectively. These results indicate that lansoprazole has a potent inhibitory action on indomethacin-induced gastric bleeding and mucosal lesions and that it is useful in the treatment of acute gastric mucosal lesions.

収録刊行物

  • 日本薬理学雑誌

    日本薬理学雑誌 108 (6), 323-332, 1996

    公益社団法人 日本薬理学会

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