MIrabegron With oveRACtive bLadder Symptoms in mEn

Status Recruiting

Clinical Trial Summary

The proportion of male patients who participated in the phase III study of mirabegron was about 28% and the data on the efficacy and safety of mirabegron in Korean male OAB patients have limits. For this reason, this study will assess the efficacy and safety of mirabegron in Korean male OAB patients.

Clinical Trial Description

About 50 to 75% of men with LUTS secondary to BPH also have overactive bladder symptoms. As a major drug for the treatment of overactive bladder symptoms, muscarinic receptor antagonists are used, but precautions should be taken by a specialist when using muscarinic receptor antagonists due to possibilities of dry mouth, constipation, blurred vision and post-dose dysuria and acute ischuria. Mirabegron is a selective β3-adrenoceptor agonist that relax the detrusor smooth muscle and increase functional bladder capacity to improve overactive bladder symptoms. This study will examine the efficacy and safety of mirabegron, a new drug, for improvement of urinary frequency.

The efficacy of mirabegron compared to the placebo has been demonstrated by the phase III study, but the analysis of only patients in Korea has not obtained significant difference from the placebo. The prevalence of overactive bladder was 9.7% in men and 11.6% in women, which showed similar rates 1), but the cure rate is higher in men than in women (OR 1.891, CI 1.362, 2.2627, p=0.0001). Male patients are important customers for the OAB market and low-dose anticholinergic agents with relatively low risk of urinary retention are preferred for the treatment of male overactive bladder (OAB) in Korea. We will conduct this clinical study because we think mirabegron will be an alternative for the therapy for male OAB patients with a risk of urinary retention. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02361502
Study type	Interventional
Source	Seoul National University Hospital
Contact	Soo Woong Kim, M.D., Ph.D.
Phone	+82-2-2072-2426
Email	swkim@snu.ac.kr
Status	Recruiting
Phase	Phase 4
Start date	February 2015

View Details

See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.