In a pharmaceutical composition for external use containing a compound such as luliconazole and/or a salt thereof in an amount of 5% by mass or more, comprised is/are acetone, a polyoxyethylene alkyl (having 8 to 30 carbon atoms) ether, and/or a polyoxyethylene alkenyl (having 8 to 30 carbon atoms) ether. Provided is a preparation using a solvent other than crotamiton, propylene carbonate, and N-methyl-2-pyrrolidone as a solvent for solubilization and steric stabilization and having the following properties: 1) when a compound represented by the general formula (1) and/or a salt thereof has a stereoisomer, the amount of the stereoisomer of the compound and/or a salt thereof produced under a preservation condition of 60° C. for 3 weeks is 1% by mass or less with respect to the total mass of the compound and/or a salt thereof at the beginning of preservation; 2) the preparation is in a clear liquid state when preserved at a constant temperature of 20° C. immediately after manufacture; and 3) no crystal is deposited when the preparation is preserved at 5° C. for 2 weeks after manufacture.
在一种外用药物组合物中,含有质量分数为 5%或更多的化合物,例如
氟环唑和/或其盐,其中包括
丙酮、聚氧
乙烯烷基(具有 8 至 30 个碳原子)醚和/或聚氧
乙烯烯基(具有 8 至 30 个碳原子)醚。本发明提供了一种使用
克罗米通、
碳酸丙烯酯和 N-甲基-
2-吡咯烷酮以外的溶剂作为增溶和立体稳定溶剂的制剂,该制剂具有以下特性:1) 当通式(1)所代表的化合物和/或其盐具有立体异构体时,在 60° C 保存 3 周的条件下产生的该化合物和/或其盐的立体异构体的量,以质量计,不超过保存开始时该化合物和/或其盐总质量的 1%;2) 制剂在生产后立即在 20° C 的恒温条件下保存时呈透明液体状态;3) 制剂在生产后在 5° C 保存 2 周时无晶体沉积。