METHODS FOR QT INTERVAL CONTROL

摘要

This invention is directed to methods for controlling the duration of the depolarization and repolarization of the cardiac ventricle and therefore the QT interval, in therapeutically useful ways in a subject, comprising administering to the subject in need thereof a therapeutically effective amount of a compound selected from the group consisting of Formula (I) and Formula (II), or a pharmaceutically acceptable salt or ester thereof,: Formula (I) Formula (II) wherein phenyl is substituted at X with one to five halogen atoms selected from the group consisting of fluorine, chlorine, bromine and iodine; and, R1 , R2, R3, R4, R5 and R6 are independently selected from the group consisting of hydrogen and C1-C4 alkyl; wherein C1-C4 alkyl is optionally substituted with phenyl, wherein phenyl is optionally substituted with substituents independently selected from the group consisting of halogen, C1-C4 alkyl, C1 C4 alkoxy, amino, nitro and cyano.