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  • Title: [Influence of KU-1257 on the recurrence and relapse of acetic acid-induced chronic gastric ulcers in rats].
    Author: Sekiguchi H, Ohsawa A, Kobayashi F, Ohkubo H, Taga F.
    Journal: Nihon Yakurigaku Zasshi; 1996 Feb; 107(2):67-78. PubMed ID: 8721009.
    Abstract:
    The influence of KU-1257 on the recurrence and relapse of acetic acid ulcers in rats was investigated grossly and histologically in comparison with that of cimetidine. The ulcer was induced by topical application of glacial acetic acid at the junction of the corpus and antrum on the anterior wall of the stomach. The drug was administered from the 5th to the 153rd day after the ulcer induction and then discontinued to the 238th day. The healing rates of the control groups (control) rose until the 119th day after the ulcer induction, followed by ups and downs. The quality of healing in the regenerated mucosa and the granulation tissue of the healed ulcer was poor, resulting in the recurrence and relapse of ulcers. The recurrence and relapse of ulcers also occurred in the cimetidine groups (CIM). On the other hand, the KU-1257 groups (KU-1257) showed much lower recurrence and relapse rates of ulcers than the control and CIM groups. Moreover, KU-1257, unlike CIM, improved the quality of ulcer healing throughout the period of its administration and even after it was discontinued. These results suggest that KU-1257 improves the quality of ulcer healing, and this may contribute to the low recurrence and relapse rates of ulcers.
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