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Current management of refractory overactive bladder.

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Treating refractory overactive bladder (OAB) is challenging. Current and emerging therapies, including nerve stimulation and novel medications, offer options for patients with OAB.

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Area of Science:

  • Urology
  • Pharmacology
  • Neurology

Background:

  • Overactive bladder (OAB) affects a significant portion of the global population.
  • Refractory OAB presents a persistent clinical challenge for urologists.
  • Existing treatments include combination pharmacotherapy and addressing underlying causes.

Purpose of the Study:

  • To review current and emerging treatment strategies for refractory overactive bladder (OAB).
  • To discuss third-line therapies and potential future interventions for OAB management.

Main Methods:

  • Review of current treatment guidelines, including American Urological Association/Society of Urodynamics, Female Pelvic Medicine & Urogenital Reconstruction (AUA/SUFU) recommendations.
  • Discussion of established third-line therapies: intravesical botulinum toxin type A (BoNT-A), percutaneous tibial nerve stimulation, and sacral nerve stimulation.
  • Exploration of surgical options like augmentation cystoplasty and detrusor myomectomy, alongside novel approaches such as liposome-encapsulated BoNT-A and transient receptor potential vanilloid 1 antagonists.

Main Results:

  • Third-line therapies like BoNT-A injections and neuromodulation are recommended for refractory OAB.
  • Surgical interventions carry significant risks and benefits that require careful patient counseling.
  • Preliminary studies show promise for liposome-encapsulated BoNT-A, while other novel agents and neuromodulation techniques require further investigation.

Conclusions:

  • Management of refractory OAB necessitates a stepwise approach, escalating to third-line therapies when initial treatments fail.
  • Emerging therapies, including new pharmacological agents and neuromodulation techniques, hold potential for improving OAB treatment outcomes.
  • Further research is crucial to validate the efficacy and safety of novel OAB treatments.