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Related Experiment Videos

Intravesical therapy for overactive bladder.

Robert J Evans1

  • 1The Urology Center, 509 North Elam Avenue, Greensboro, NC 27403, USA. revans@tucpa.com

Current Urology Reports
|October 22, 2005
PubMed
Summary

Intravesical instillation offers an alternative for overactive bladder when oral therapies fail. This method delivers treatments directly to the bladder, reducing systemic side effects and improving bladder control.

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Area of Science:

  • Urology
  • Pharmacology
  • Nephrology

Background:

  • Overactive bladder and urgency incontinence are prevalent conditions.
  • Oral anticholinergic therapy is the standard treatment but often poorly tolerated or ineffective.
  • Alternative management strategies are needed for patients unresponsive to oral medications.

Purpose of the Study:

  • To review the efficacy of intravesical instillation therapies for managing overactive bladder.
  • To explore various intravesical agents and their mechanisms of action.
  • To highlight intravesical instillation as a viable alternative to oral treatments.

Main Methods:

  • Review of existing literature on intravesical instillation for overactive bladder.
  • Analysis of different classes of intravesical agents, including anticholinergics, botulinum toxin, local anesthetics, and neurotoxins.
  • Evaluation of their effects on bladder capacity and contractility.

Main Results:

  • Intravesical anticholinergics (oxybutynin, atropine) provide localized cholinergic blockade without systemic effects.
  • Botulinum A toxin injections increase bladder capacity and reduce contractility for up to 6 months.
  • Intravesical local anesthetics (lidocaine, bupivacaine) and neurotoxins (capsaicin, resiniferatoxin) enhance functional bladder capacity by affecting afferent nerve fibers.

Conclusions:

  • Intravesical instillation therapy presents a promising alternative for managing overactive bladder.
  • Direct bladder instillation allows for targeted treatment with potentially fewer systemic side effects.
  • This approach offers improved bladder control and capacity for patients who do not benefit from oral medications.

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