JOURNAL ARTICLE
MULTICENTER STUDY
RANDOMIZED CONTROLLED TRIAL
RESEARCH SUPPORT, NON-U.S. GOV'T
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Effect of tadalafil 5 mg on post-micturition dribble in men with lower urinary tract symptoms: a multicentre, double-blind, randomized, placebo-controlled trial.

BJU International 2019 November
OBJECTIVES: To compare the effects of taking tadalafil 5 mg and placebo once daily on post-micturition dribble (PMD) in men with lower urinary tract symptoms (LUTS).

PATIENTS AND METHODS: Our prospective, randomized, double-blind, placebo-controlled, multicentre trial enrolled 102 men with PMD and other LUTS. PMD was assessed using the Hallym Post-Micturition Dribble Questionnaire (HPMDQ) and according to PMD volume. Over a 12-week period, patients took either tadalafil 5 mg (n = 51) or placebo (n = 51) once daily and their HPMDQ and PMD volume results were evaluated. Adverse events (AEs) were also reported.

RESULTS: Over the course of 12 weeks, total HPMDQscores and PMD volumes improved significantly more in the tadalafil group than in the placebo group (reduction of total HPMDQ score of ≥2 points in the tadalafil and placebo group in 68.8% and 31.9% of patients (P < 0.001) and decreased mean PMD volume in the tadalafil and placebo group at 0.48 mL and 0.22  mL, respectively (P = 0.046). Specifically, PMD frequency decreased and quality of life increased significantly more in the tadalafil group than in the placebo group (P = 0.029 and P < 0.001, respectively). Furthermore, 66.7% of the tadalafil group reported moderate and significant PMD improvement, whereas only 4.2% reported that tadalafil was ineffective. Treatment-emergent AEs did not significantly differ between the groups (all P > 0.05), and no serious AEs were observed.

CONCLUSION: Taking tadalafil 5 mg once daily reduced PMD symptom severity and PMD volume in men with PMD, without inducing serious AEs, more effectively than placebo, suggesting that taking tadalafil 5 mg once daily may be an effective and well-tolerated PMD treatment.

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