Bladder Instillation of Liposome Encapsulated OnabotulinumtoxinA Improves Overactive Bladder Symptoms: A Prospective, Multicenter, Double-Blind, Randomized Trial

A single intravesical instillation of lipo-botulinum toxin was associated with decreases in overactive bladder symptoms without side effects. Intravesical instillation of liposomal botulinum toxin may be a promising approach to treat refractory overactive bladder.