| 摘要 |
The present invention provides a lyophilized preparation that has excellent stability over time and excellent solubility when reconstituted, and that contains (8E,12E,14E)-7-((4-cycloheptylpiperazin-1-yl)carbonyl)oxy-3,6,16,21-tetrahydroxy-6,10,12,16,20-pentamethyl-18,19-epoxytricosa-8,12,14-trien-11-olide. The present invention discloses a lyophilized preparation containing 1) (8E,12E,14E)-7-((4-cycloheptylpiperazin-1-yl)carbonyl)oxy-3,6,16,21-tetrahydroxy-6,10,12,16,20-pentamethyl-18,19-epoxytricosa-8,12,14-trien-11-olide or a pharmaceutically acceptable salt thereof, 2) a pH regulator for adjusting a pH of the preparation to between 5 and 8, and 3) at least one of excipients selected from the groups consisting of sugars and sugar alcohols.
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