Methods for a Community-Engaged Randomized Trial for Urgency Incontinence.
Vivian W Sung, Holly E Richter, Emily S Lukacz et al.
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In 30 seconds
The Beta-Agonist versus ONA Trial for Urgency Urinary Incontinence (BEST) is a multicenter, single-blinded randomized trial comparing the efficacy of beta-agonist medication and onabotulinumtoxinA injections in female participants with urgency urinary incontinence (UUI). The study aims to assess symptom severity and treatment satisfaction at 3 months, with 432 participants planned for enrollment.
Key findings
- As of January 6, 2026, 396 of 432 participants (92%) have been randomized.
- 324 participants (82% of randomized) have reached the primary 3-month outcome.
- The trial aims to detect a 15% difference in treatment satisfaction and symptom severity.
Why it matters
This trial addresses a significant gap in comparative efficacy data for common treatments of urgency urinary incontinence, which can guide clinicians in making informed treatment decisions based on patient-centered outcomes.