| abstract |
A sustained-release oral preparation of a benzyl alcohol derivative is provided. [Solution] And a core substance comprising (-)-(R) -α-[(tert-butylamino) methyl] -2-chloro-4-hydroxybenzyl alcohol or a pharmaceutically acceptable salt thereof represented by , A sustained release oral preparation coated with an additive for a controlled release film comprising an insoluble polymer, talc and esters has a suitable release property as a drug capable of releasing a drug slowly over a long period of time, Useful as a bladder relaxant. [Selection diagram] None |