PHARMACEUTICAL COMPOSITION CONTAINING MORPHINAN DERIVATIVE FOR TREATING DRUG DEPENDENCE

摘要

Remedies for drug addiction which contain as the active ingredient k-opioid receptor agonists typified by the compounds represented by general formula (I). These k-opioid receptor agonists are useful as remedies for drug addiction which are reduced in side effects and act on the reward effect expression mechanism so as to inhibit the expression of mental addiction and physical addiction simultaneously, different from the symptomatic therapy conventionally employed in treating drug addiction.