The present invention relates to dried preparations containing a class III antiarrhythmic compound in the form of a crystalline or amorphous salt or any combination thereof, where the counterion is selected from pharmaceutically acceptable water-soluble organic or inorganic acids. The present invention also relates to frozen preparations containing a class III antiarrhythmic compound in the form of a salt solution, where the counterion is selected from pharmaceutically acceptable water-soluble organic or inorganic acids. Preferred preparations contain a salt of the compound 3,7-diazabicyclo[3.3.1]-nonane-3-carboxylic acid, 7-[(2S)-3-(4-cyanophenoxy)-2-hydroxypropyl]-1,1-dimethylethyl ester (Compound A). Further aspects of the present invention include salts of Compound A per se, processes for preparing the preparations, as well as use of the preparations for prophylaxis and/or treatment of cardiac arrhytmia.
本发明涉及包含三类抗心律失常化合物的干燥制剂,其形式为结晶或无定形盐或二者的任意组合,其中对离子选择自医药上可接受的
水溶性有机或
无机酸。本发明还涉及含有三类抗心律失常化合物的冻结制剂,其形式为盐溶液,其中对离子选择自医药上可接受的
水溶性有机或
无机酸。优选制剂含有化合物3,7-二
氮杂双环[3.3.1]-
壬烷-3-
羧酸,7-[(2S)-3-(
4-氰基苯氧基)-2-羟基丙基]-
1,1-二甲基乙酯(化合物A)的盐。本发明的进一步方面包括化合物A盐本身,制备制剂的过程,以及利用制剂预防和/或治疗心脏心律失常。