The purpose of this study is to investigate whether injections of botulinum toxin Type A into the bladder are safe and effective in treating overactive bladder.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
313
botulinum toxin Type A injected into detrusor on Day 1
Placebo (normal saline) injected into detrusor on Day 1
Unnamed facility
Pittsburgh, Pennsylvania, United States
Unnamed facility
Ghent, Belgium
Unnamed facility
Victoria, British Columbia, Canada
Unnamed facility
Berlin, Germany
Unnamed facility
Warsaw, Poland
Change in Number of Urinary Urge Incontinence Episodes
Mean number of urinary urge incontinence episodes measured over a 7-day diary prior to week 12. Urinary urge incontinence is defined as urinary leakage associated with a strong desire to urinate.
Time frame: Baseline, Week 2, Week 6, Week 12
Change in Number of Micturitions
Mean number of micturitions measured over a 7 day diary prior to each visit. Micturation is defined as urinating into the toilet.
Time frame: Baseline, Week 2, Week 6, Week 12
Change in Number of Nocturia Episodes
Mean number of nocturia episodes measured over a 7 day diary prior to each visit. A nocturia episode is a void (urinating into the toilet) that interrupts one's sleep.
Time frame: Baseline, Week 12
Maximum Cystometric Capacity (MCC) by Urodynamic Measurements
Maximum Cystometric Capacity (maximum volume that the bladder can hold) measured in mean milliliters
Time frame: Baseline, Week 12
Incontinence Quality of Life Instrument (I-QOL)
Measured on 3 domains; a 5-point scale (1-5) for each domain. Sum of the domain scores is normalized to a scale of 0-100 (100 = no impact of incontinence on daily activities, 0 = maximum impact of incontinence on daily activities). Mean scores presented.
Time frame: Baseline, Week 2, Week 6, Week 12
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Unnamed facility
Sheffield, United Kingdom