| 摘要 |
A method for therapy of diarrhea-predominant irritable bowel disorders comprising as an effective ingredient a morphinan derivative having a nitrogen-containing cyclic group or a pharmaceutically acceptable acid addition salt thereof is disclosed. The method for therapy of diarrhea-predominant irritable bowel disorders comprises as an effective ingredient a morphinan derivative or a pharmaceutically acceptable acid addition salt thereof, having a specific structure, such as N-(17-cyclopeopylmethyl-4,5α-epoxy-3,14-dihydroxy-morphinan-6&bgr;-yl)-3,4,5,6-tetrahydrophthalimide tartaric acid salt (Compound 10). |
