Bilal Chughtai1, Claire Dunphy1, Richard Lee1,
Daniel Lee1, Seema Sheth1, Leonard Marks2,
Steven A. Kaplan1, Alexis E. Te1
Canadian Journal of Urology, Vol.21, No.2, pp. 7217-7221, 2014
Abstract Introduction: We assessed the efficacy of onabotulinumtoxinA (Botox, Allergan Inc., Irvine, CA, USA) in patients with refractory overactive bladder (OAB) after treatment for benign prostatic hyperplasia (BPH).
Materials and methods: This was a two-center, randomized, double-blinded pilot study conducted in patients with OAB secondary to bladder outlet obstruction (BOO), refractory to anticholinergic medication and persistent for greater than 3 months after surgical intervention to relieve obstruction, with an International Prostate Symptom Score (IPSS) >12. Patients were randomized in 1:1 fashion to either 200 units of onabotulinumtoxinA versus placebo. Fifteen patients received onabotulinumtoxinA versus 13 who received… More >