The present disclosure includes various embodiments directed to a solubilized capsule formulation of asunaprevir, 1,1-dimethylethyl [(1S)-1-{[(2S,4R)-4-(7-chloro-4methoxyisoquinolin-1-yloxy)-2-({(1R,2S)-1-[(cyclopropylsulfonyl)carbamoyl]-2-ethenylcyclopropyl}carbamoyl)pyrrolidin-1-yl]carbonyl}-2,2-dimethylpropyl]carbamate, and to methods including asunaprevir.本發明包含多個關於阿舒瑞韋(asunaprevir)、即[(1S)-1-{[(2S,4R)-4-(7-氯-4-甲氧基異喹啉-1-基氧基)-2-({(1R,2S)-1-[(環丙基磺醯基)胺甲醯基]-2-乙烯基環丙基}胺甲醯基)吡咯啶-1-基]羰基}-2,2-二甲基丙基]胺基甲酸1,1-二甲基乙基酯之可溶性膠囊調配物之實施例,及包含阿舒瑞韋之方法。