The object of the present invention is to provide a pharmaceutical composition for treatment of hepato·biliary disease reduced in side effect such as diarrhea, which comprises 16,16-difluoro-15-keto-PGs having at least one methyl group or ethyl group on the carbon atom at the 17- or 18-position or adjacent to the terminal methyl group of ω-chain as an essential component.
本发明的目的是提供一种用于治疗肝胆疾病的药物组合物,该药物组合物的基本成分是16,16-二
氟-15-酮-
PGs,其在ω-链的17位或18位碳原子上或邻近末端甲基的碳原子上至少有一个甲基或乙基。