Intratrigonal OnabotulinumtoxinA Improves Bladder Symptoms and Quality of Life in Patients with Bladder Pain Syndrome/Interstitial Cystitis: A Pilot, Single Center, Randomized, Double-Blind, Placebo Controlled Trial

OnabotulinumtoxinA 100 U caused significant and clinically relevant improvements in bladder pain and quality of life in patients with bladder pain syndrome/interstitial cystitis refractory to common therapy. It was also well tolerated.