A method for the treatment or prevention of a cardiovascular event in a subject with atherosclerotic vascular disease comprising the step of: b) administering a therapeutically effective amount of a compound of formula (I), a known colchicine derivative and/or a salt thereof wherein: R1, R2, R3, R4, R9, R10, R11 and R12 independently represent hydrogen, C1-4 alkyl, C2-4 alkenyl, C3-6 cycloalkyl, halogen, C1-4 haloalkyl, nitro, amino, C2-4 acylamino, C1-4 alkyl or dialkylamino, hydroxyl, C1-4 alkoxy, C1-4 alkylthio, a group of the formula &mdash；SO2N(Rx)2 or SO2Rx where Rx is C1-4 alkyl, C1-4 acyloxy, or optionally substituted phenyl, optionally substituted phenoxy； R7 and R8 independently represent hydrogen, C1-4 alkyl or C1-4 acyl； and R5&prime；, R5&Prime；, R6&prime； and R6&Prime； independently represent hydrogen, C1-4 alkyl, C2-4 alkenyl, C3-6 cycloalkyl, halogen, C1-4 haloalkyl, nitro, amino, C2-4 acylamino, hydroxyl, C1-4 alkoxy or C1-4 alkylthio a group of the formula &mdash；SO2N(Rx)2 or SO2Rx where Rx is C1-4 alkyl, C1-4 acyloxy, or optionally substituted phenyl.
