Therapeutic effect of IGN-2098, a new antiulcer drug(H2-antagonist), in the ulcer diminishing period against acetic acid-induced gastric ulcer in rats.

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  • 新規抗潰よう薬ＩＧＮ‐２０９８（Ｈ２きっ抗薬）のラット酢酸潰よう縮小期における治療効果
  • シンキ コウ カイヨウヤク IGN-2098 H2 キッコウヤク ノ ラット

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Abstract

The effects of IGN-2098 on the healing process of acetic acid-induced gastric ulcer was investigated in comparison with the other histamine H2-receptor antagonists, famotidine and roxatidine acetate HCI, in rats. Ulcer was induced by the injection of acetic acid solution (20%, 0.05 ml). From the 4th day to 17th day after the ulcer induction, drugs were orally administered twice a day. On the 18th day after the ulcer induction, rats were sacrificed to measure the ulcer index macroscopically and to take pictures of the stomachs. Judging from the photographs, the prominence of ulcer the edge was graded into 4 classes, which showed a significant correlation with the histological amount of connective tissue at the ulcer edge. All drugs accelerated the healing of the ulcer, and the effect of IGN-2098 was the most remarkable. In addition, IGN-2098-treatment exhibited more marked inhibition against the prominence of the ulcer edge as compared with the control group. Based on these results, it is concluded that IGN-2098 may be a useful drug for the clinical treatment of ulcer and that the healing acceleration by IGN-2098 without prominence of the ulcer edge may induce no relapse of the ulcer after healing.

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