Den hydrolyseres hurtigt og omfattende via ikke- specifikke plasmaesteraser til et 5- hydroxymethylderivat, den primære aktive metabolit, som er fesoterodins primære, aktive farmakologiske princip.
It is rapidly and extensively hydrolysed by non-specific plasma esterases to the 5-hydroxymethyl derivative, its primary active metabolite, which is the main active pharmacological principle of fesoterodine.