The Journal of urology · 2008
Refractory idiopathic urge urinary incontinence and botulinum A injection.
СтатьяМногоцентровое исследованиеРандомизированное исследованиеПоддержка NIH: внешняя программаНазвание и аннотация: Перевод в очереди
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Brubaker Linda, Richter Holly E, Visco Anthony, Mahajan Sangeeta, Nygaard Ingrid, Braun Thomas M, Barber Matthew D, Menefee Shawn, Schaffer Joseph, Weber Anne M, Wei John, Pelvic Floor Disorders Network
Аннотация
PURPOSE: We compared 200 U intradetrusor botulinum toxin A vs placebo in women with refractory idiopathic urge incontinence.
MATERIALS AND METHODS: This institutional review board approved, multicenter registered trial randomized women with refractory urge incontinence, detrusor overactivity incontinence and 6 or greater urge incontinence episodes in 3 days to botulinum toxin A or placebo at a 2:1 ratio. Refractory was defined as inadequate symptom control after 2 or more attempts at pharmacotherapy and 1 or more other first line therapies for detrusor overactivity incontinence. The primary outcome measure was time to failure, as evidenced by a Patient Global Impression of Improvement score of 4 or greater at least 2 months after injection, or changes in treatment (initiation or increase) at any time after injection. Safety data, including increased post-void residual volume, defined as more than 200 ml irrespective of symptoms, was obtained at specified time points.
RESULTS: Approximately 60% of the women who received botulinum toxin A had a clinical response based on the Patient Global Impression of Improvement. The median duration of their responses was 373 days, significantly longer than the 62 days or less for placebo (p <0.0001). In the botulinum toxin A group increased post-void residual urine (12 of 28 women or 43%) and urinary tract infection in those with increased post-void residual urine (9 of 12 or 75%) exceeded expected ranges. Further injections were stopped after 43 patients were randomized, including 28 to botulinum toxin A and 15 to placebo.
CONCLUSIONS: Local injection of 200 U botulinum toxin A was an effective and durable treatment for refractory overactive bladder. However, a transient post-void residual urine increase was experienced in 43% of patients. Botulinum toxin A for idiopathic overactive bladder is still under investigation.
MATERIALS AND METHODS: This institutional review board approved, multicenter registered trial randomized women with refractory urge incontinence, detrusor overactivity incontinence and 6 or greater urge incontinence episodes in 3 days to botulinum toxin A or placebo at a 2:1 ratio. Refractory was defined as inadequate symptom control after 2 or more attempts at pharmacotherapy and 1 or more other first line therapies for detrusor overactivity incontinence. The primary outcome measure was time to failure, as evidenced by a Patient Global Impression of Improvement score of 4 or greater at least 2 months after injection, or changes in treatment (initiation or increase) at any time after injection. Safety data, including increased post-void residual volume, defined as more than 200 ml irrespective of symptoms, was obtained at specified time points.
RESULTS: Approximately 60% of the women who received botulinum toxin A had a clinical response based on the Patient Global Impression of Improvement. The median duration of their responses was 373 days, significantly longer than the 62 days or less for placebo (p <0.0001). In the botulinum toxin A group increased post-void residual urine (12 of 28 women or 43%) and urinary tract infection in those with increased post-void residual urine (9 of 12 or 75%) exceeded expected ranges. Further injections were stopped after 43 patients were randomized, including 28 to botulinum toxin A and 15 to placebo.
CONCLUSIONS: Local injection of 200 U botulinum toxin A was an effective and durable treatment for refractory overactive bladder. However, a transient post-void residual urine increase was experienced in 43% of patients. Botulinum toxin A for idiopathic overactive bladder is still under investigation.