The study involves a single-time injection of 100 units of onabotulinumtoxin A into the detrusor muscle of the bladder. Cystoscopy, which is the insertion of a scope with a small camera inside a tube into the participant's urethra. Then the doctor fills the participant's bladder with water or saline and sees detailed images of the injection site in the bladder while administrating the injection.
The purpose of this study is to assess the effect of onabotulinumtoxin A (BOTOX) injection into the detrusor muscle on increasing bladder compliance to reduce urinary leakage in women suffering from stress urinary incontinence (SUI).