Effect of Dai-kenchu-to on Gastrointestinal Motility Based on Differences in the Site and Timing of Administration

Naruo Kawasaki; Koji Nakada; Tomoko Nakayoshi; Yoshiyuki Furukawa; Yutaka Suzuki; Nobuyoshi Hanyu; Katsuhiko Yanaga
October 2007
Digestive Diseases & Sciences;Oct2007, Vol. 52 Issue 10, p2684
Academic Journal
Abstract  The purpose of this study was to investigate the effects of the herbal medicine dai-kenchu-to on gastrointestinal motility based on differences in the administration site and timing. We sutured strain-gauge transducers to the stomach (three), duodenum (one), jejunum (one), ileum (one), and colon (two) and inserted indwelling tubes into the stomach, jejunum, and proximal colon of beagles. Dai-kenchu-to was administered to each site during the fasting or fed state. During the fasting state, the prokinetic effects of dai-kenchu-to were evident at all administration sites. The effects were attenuated during the fed state. With intracolonic administration, a contraction similar to the giant migrating contraction-like contraction was induced during the fasting and the fed state, and defecation occurred. Despite the differences in administration site and timing, no contraction complex appeared orad to the administration sites. These results indicate that the prokinetic effects of dai-kenchu-to differ with the site or timing of administration.


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