Time to Onset of Clinically Meaningful Improvement with Tadalafil 5 mg Once Daily for Lower Urinary Tract Symptoms Secondary to Benign Prostatic Hyperplasia: Analysis of Data Pooled from 4 Pivotal, Double-Blind, Placebo Controlled Studies
2015
Purpose: Tadalafil once daily for lower urinary tract symptoms secondary to benign prostatic hyperplasia consistently shows statistically significant I-PSS improvements. However, physicians and patients wish to know whether tadalafil provides rapid, clinically meaningful improvement in lower urinary tract symptoms. In this post hoc analysis we integrated results from 4 placebo controlled studies to determine the duration of tadalafil once daily required to achieve clinically meaningful improvement.Materials and Methods: We performed post hoc analysis of data integrated from 4 double-blind studies of tadalafil 5 mg and placebo once daily in 742 and 735 men, respectively, 45 years old or older with total I-PSS 13 or greater. Two clinically meaningful improvement categories were assessed, including 1) 3-point or greater baseline to end point total I-PSS improvement and 2) 25% or greater baseline to end point total I-PSS improvement. I-PSS was assessed at weeks 4, 8 and 12 in all studies, week 1 in 2 and week...
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