Comparing Mirabegron and Tolterodine treatments for women with overactive bladder

Comparisons of the Impact of Monotherapy With Mirabegron or Tolterodine Versus Combined Treatment With Mirabegron and Tolterodine on Autonomic Function and Bladder Blow Flow in Women With Overactive Bladder Syndrome: a Randomized Controlled Study

Phase 4 Interventional Far Eastern Memorial Hospital · NCT05946902

This study is testing whether taking Mirabegron or Tolterodine alone, or together, can help women with overactive bladder feel better over 12 weeks.

Quick facts

PhasePhase 4
Study typeInterventional
Enrollment150 (estimated)
Ages20 Years and up
SexFemale
SponsorFar Eastern Memorial Hospital Academic / other
Locations1 site (Banqiao, New Taipei)
Trial IDNCT05946902 on ClinicalTrials.gov

What this trial studies

This study evaluates the effects of monotherapy with either Mirabegron or Tolterodine compared to a combined treatment of both medications in women suffering from overactive bladder syndrome. It involves a randomized controlled design with 150 female participants who will undergo assessments of urgency severity, bladder symptoms, heart rate variability, and bladder blood perfusion before and after treatment. The study aims to determine the impact of these therapies on autonomic function and bladder health over a 12-week period.

Who should consider this trial

Good fit: Ideal candidates are women over 20 years old diagnosed with overactive bladder syndrome.

Not a fit: Patients with hypersensitivity to Mirabegron or Tolterodine, or those with certain contraindications such as uncontrolled hypertension or severe renal dysfunction, may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide insights into more effective treatment options for women with overactive bladder syndrome, potentially improving their quality of life.

How similar studies have performed: While there have been studies on monotherapy for overactive bladder, this specific comparison of combined therapy is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* \>20 years old .
* female patients with overactive bladder syndrome

Exclusion Criteria:

* Cases of hypersensitivity to mirabegron or tolterodine.
* Betanley is contraindicated in the following patients: uncontrolled severe hypertension.
* Dexotol is contraindicated in the following patients: known urethral diverticulum, known bladder malignancy, patients with urinary retention and gastric retention, patients with uncontrolled narrow-angle glaucoma, patients with renal dialysis, severe renal dysfunction (ie Inulin clearance rate (GFR\<30 ml/min) or liver dysfunction (i.e. liver cirrhosis), use strong CYP3A4 inhibitors such as ketoconazole.
* Patients with myasthenia gravis.
* The patient is taking drugs that interact with tolterodine or mirabegron.

Where this trial is running

Banqiao, New Taipei

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Female Patients With Overactive Bladder Syndrome
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.