There is provided inter alia a dry powder pharmaceutical formulation for inhalation comprising: (i) 6-(2-((4-amino-3-(3-hydroxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl) methyl)-3-(2-chlorobenzyl)-4-oxo-3,4-dihydroquinazolin-5-yl)-N,N-bis(2-methoxyethyl)hex-5-ynamide or a pharmaceutically acceptable salt thereof, including all stereoisomers, tautomers and isotopic derivatives thereof and solvates thereof in particulate form as active ingredient; (ii) particulate lactose as carrier; and (iii) a particulate stabilizing agent selected from metal salts of stearic acid such as magnesium stearate and metal salts of stearyl fumarate.
其中提供了一种用于吸入的干粉制剂的制备方法,包括:(i) 6-(2-((4-
氨基-3-(3-羟基苯基)-1H-
吡唑并[3,4-d]
嘧啶-1-基)甲基)-3-(2-
氯苯甲基)-4-氧代-3,4-二氢
喹唑啉-5-基)-N,N-双(2-甲氧基乙基)己-5-炔酰胺,或其药学上可接受的盐,包括其所有立体异构体、互变异构体和同位素衍
生物以及其溶剂化形式,以颗粒形式作为活性成分;(ii) 颗粒
乳糖作为载体;以及(iii) 从
硬脂酸的
金属盐中选择的颗粒稳定剂,例如
硬脂酸镁和
硬脂酸十八烷酯的
金属盐。