Last updated on March 2018

A Phase 4, Double-Blind, Randomized, Placebo-Controlled, Multi-Center Study to Evaluate the Efficacy, Safety, and Tolerability of Mirabegron in Men With Overactive Bladder (OAB) Symptoms While Taking the Alpha Blocker Tamsulosin Hydrochloride for Lower Urinary Tract Symptoms (LUTS) Due to Benign Prostatic Hyperplasia (BPH). NCT02757768, 178-MA-1008.

Brief description of study

The purpose of the study is to assess the efficacy, safety, and tolerability of mirabegron versus placebo in men with overactive bladder (OAB) symptoms while taking tamsulosin hydrochloride for lower urinary tract symptoms (LUTS) due to Benign Prostatic Hyperplasia (BPH).

At Screening (Visit 1), subjects will enter into a 4-week open label tamsulosin hydrochloride 0.4 mg QD run-in period prior to being randomized into the 12-week double-blind treatment period (Visit 2). At conclusion of the 4-week tamsulosin hydrochloride run-in period, subjects will complete a 3-day diary just prior to Baseline (Visit 2). 

If subjects meet all entry criteria at the end of the tamsulosin hydrochloride run-in period, subjects will be randomized to 1 of 2 treatment groups (mirabegron or placebo) for 12 weeks of treatment in addition to the continuation of tamsulosin hydrochloride 0.4 mg QD.

Clinical Study Identifier: TX196746

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