ocr: A DITROPAN XLO 10 mg QD --C- oxybutynin 5 mg TID 3 - I I o - - - - - - - - - St - - - - U a 12 16 20 24 Time (h) Figure 1. Mean R-oxybulynin plasma concentrations following a single dose of DITROPAN Xle 101 mg and oxybutynin 5 mg administered every 8 hours (n=23 for each treatment).