U onabotulinumtoxinA (BTX-A) injections for overactive bladder (OAB). However, their report
excluded patients who elected dose escalation to 150 U. Earlier dose escalation studies
have suggested that 50 U is not effective compared to placebo. 1 Moreover, doses higher
than 150 U are associated with minimal incremental clinical benefits but significant
increases in post-void residual volume and rates of clean intermittent selfcatheterization …