Comparison of Efficacy and Safety Between Imidafenacin and Fesoterodine in Patients With Overactive Bladder

Phase IV Study to Evaluate the Efficacy and Safety Imidafenacin Versus Fesoterodine in Patients With Overactive Bladder

To evaluate the efficacy and safety after 12 weeks oral administration of Imidafenacin 0.1mg b.i.d versus Fesoterodine 4mg once daily for the urge incontinence and/or increased urinary frequency associated with urgency as may occur in patients with overactive bladder.

Inclusion Criteria:

• Male and female patients with overactive bladder aged 20 years or more
• subject who had the continuos symptom for 3 months or more
• subject prepare a symptom diary and was deemed eligible for the study by the investigator
• 8 times or more of daily mean urination frequency
• 2 times or more of daily mean frequency of a sense of urinary urgency or 2 times or more of urge incontinence frequency

Exclusion Criteria:

• subjects with clinically significant stress urge incontinence, patients with urinary tract infections or relapsing urinary tract infections who had received treatment more than 4 times in the previous year
• subjects with diseases prohibiting anti-cholinergics from administration
• subjects who used an indwelling catheter or intermittent self intubation program, patients who had prostatic hyperplasia, prostatic cancer, bladder cancer,bladder stones, interstitial cystitis as complications
• subjects who received lower urinary tract surgery within 6 months
• subjects with a catheter placed or intermittent catheterization
• subjects who were deemed ineligible for the study by the investigator or sub-investigator, pregnant women, nursing women, and women who are planning pregnancy or have not used proper contraceptives during the study period
• subjects who are within 1 month after other clinical study was completed
• subjects having 100mL or more of residual urine
• subjects who had acute urinary retention history
• subjects who have been administered Prohibited concomitant medications