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Clinical Trial Summary

The purpose of this study is to study the treatment of urgency urinary incontinence (UUI), specifically among women 70 years and older, by comparing reduced versus standard dose of onabotulinumtoxinA (BTX; trade name BOTOX(c)) injection in the bladder.


Clinical Trial Description

The purpose of this quadruple-masked, randomized-controlled study is to study the treatment of urgency urinary incontinence (UUI) specifically among older women with low- versus standard-dose of onabotulinumtoxinA (BTX) via: symptom-specific and health-related quality of life (QOL; Aim 1), patient-reported and clinical outcome measures including adverse events (Aim 2), qualitative experience with focused interviews (Aim 3) and cost burden and economic impact (Aim 4). This study is an active collaboration between researchers in Gynecology, Urology, and Geriatrics at Dartmouth Hitchcock Medical Center (DHMC) and at 5 other centers; University of Alabama (UAB), University of Pittsburgh (U Pitt), University of Texas Southwestern (UTSW), Kaiser Permanente of Southern California (KPSCP), and Oregon Health & Sciences University (OHSU). The investigators also have collaborators at Stanford University and University of Connecticut, though those sites are not recruiting participants. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05512039
Study type Interventional
Source Dartmouth-Hitchcock Medical Center
Contact Morgan T Mazanec, MPH
Phone (603) 308-9233
Email morgan.t.mazanec@hitchcock.org
Status Recruiting
Phase Phase 1/Phase 2
Start date May 12, 2023
Completion date January 1, 2027

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