申请人:Teva Pharmaceutical Industries, Ltd.
公开号:US09340307B2
公开(公告)日:2016-05-17
The subject invention provides a pharmaceutical composition comprising N-ethyl-N-phenyl-1,2,-dihydro-4-hydroxy-5-chloro-1-methyl-2-oxoquinoline-3-carboxamide or the salt thereof; a pharmaceutically acceptable carrier; and not more than 0.5% w/w relative to N-ethyl-N-phenyl-1,2,-dihydro-4-hydroxy-5-chloro-1-methyl-2-oxoquinoline-3-carboxamide of 2-Chloro-6-(1-ethyl-N-methyl-2-oxoindoline-3-carboxamido)benzoic acid, 1H,3H-spiro[5-chloro-1-methylquinoline-2,4-dione-3,3′-[1]ethylindolin-[2]-one], or 5-Chloro-N-ethyl-3-hydroxy-1-methyl-2,4-dioxo-N-phenyl-1,2,3,4-tetrahydro-quinoline-3-carboxamide.
本发明提供了一种药物组合物,包括N-乙基-N-苯基-1,2-二氢-4-羟基-5-氯-1-甲基-2-氧基喹啉-3-羧酰胺或其盐;一种药用载体;以及与N-乙基-N-苯基-1,2-二氢-4-羟基-5-氯-1-甲基-2-氧基喹啉-3-羧酰胺相对不超过0.5%重量/重量的2-氯-6-(1-乙基-N-甲基-2-氧代吲哚-3-羧酰胺)苯甲酸、1H,3H-螺[5-氯-1-甲基喹啉-2,4-二酮-3,3'-[1]乙基吲哚-[2]-酮]或5-氯-N-乙基-3-羟基-1-甲基-2,4-二氧代-N-苯基-1,2,3,4-四氢喹啉-3-羧酰胺。