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Urology. 2010 Jun;75(6):1452-8. doi: 10.1016/j.urology.2009.09.093. Epub 2010 Feb 16.

Effects of tadalafil on lower urinary tract symptoms secondary to benign prostatic hyperplasia in men with or without erectile dysfunction.

Author information

1
Mayo Clinic, Jacksonville, Florida 32224, USA. Broderick.Gregory@mayo.edu

Abstract

OBJECTIVES:

To compare the safety and efficacy of the daily erectogenic therapy, tadalafil, on lower urinary tract symptoms secondary to benign prostatic hyperplasia (BPH-LUTS) in men with or without comorbid erectile dysfunction (ED).

METHODS:

Following a 4-week placebo run-in period, men with moderate-to-severe BPH-LUTS were randomized to placebo or tadalafil 2.5, 5, 10, or 20 mg once daily for 12 weeks. International Prostate Symptom Scores (IPSS), IPSS quality of life, and BPH Impact Index were measured every 4 weeks. Safety was mainly assessed via spontaneous reports of adverse events. Data from men with (n=716) or without (n=340) ED at baseline were compared in posthoc analyses.

RESULTS:

Men with ED were older and had more frequent hypertension, hyperlipidemia, coronary artery disease, and diabetes at baseline compared with men without ED. After 12 weeks, changes in IPSS in men with ED (least squares mean change from baseline, placebo: -2.4; tadalafil 2.5, 5, 10, 20 mg: -4.3, -4.8, -5.3, -5.6) and without ED (-2.4, -3.2, -5.3, -5.1, -4.5) were not significantly different (subgroup/interaction P values: .352/.644). Similar effects were observed for IPSS quality of life (with ED: -0.6, -0.9, -0.9, -1.0, -1.1; without ED: -0.6, -0.7, -0.9, -0.8, -0.8; 0.090/0.773) and BPH Impact Index (with ED: -0.7, -0.9, -1.3, -1.3, -1.4; without ED: -1.0, -0.7, -1.3, -1.3, -1.2; 0.753/0.852). Tadalafil was generally well tolerated, and men with or without ED had similar tolerability profiles.

CONCLUSIONS:

Changes in BPH-LUTS after 12 weeks of treatment with placebo or various doses of once daily tadalafil were similar in men with or without comorbid ED.

TRIAL REGISTRATION:

ClinicalTrials.gov NCT00384930.

Comment in

PMID:
20163842
DOI:
10.1016/j.urology.2009.09.093
[Indexed for MEDLINE]

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