Treatment satisfaction and clinically meaningful symptom improvement in men with lower urinary tract symptoms and prostatic enlargement secondary to benign prostatic hyperplasia: Secondary results from a 6-month, randomized, double-blind study comparing finasteride plus tadalafil with finasteride plus placebo
Abstract
OBJECTIVES: To report the secondary analyses of treatment satisfaction and clinically meaningful improvements in a randomized study comparing coadministration of tadalafil 5 mg with finasteride 5 mg versus finasteride alone in men with prostatic enlargement secondary to benign prostatic hyperplasia.
METHODS: An international, randomized, double-blind, parallel study was carried out in men aged ≥45 years who were 5-alpha reductase inhibitor naïve, and had an International Prostate Symptom Score ≥13 and prostate volume ≥30 mL; 350 men received placebo/finasteride and 345 received tadalafil/finasteride over 26 weeks. Treatment satisfaction was assessed per protocol using the Treatment Satisfaction Scale-Benign Prostatic Hyperplasia. Responder cut-offs, analyzed post-hoc were total International Prostate Symptom Score improvement ≥3 points or ≥25% from randomization.
RESULTS: Baseline patient characteristics were generally comparable between responders and non-responders. The proportion of patients with an International Prostate Symptom Score improvement ≥3 points with tadalafil/finasteride and placebo/finasteride, respectively, at week 4 was 57.0% and 47.9% (OR 1.45, 95% confidence interval 1.07-1.97), at week 12 was 68.8% and 60.7% (OR 1.48, 95% confidence interval 1.07-2.05) and at week 26 was 71.4% and 70.2% (OR 1.14, 95% confidence interval 0.81-1.61); for IPSS change ≥25%, the corresponding proportions were 44.8% and 32.9% (OR 1.66, 95% confidence interval 1.21-2.28),…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 350 participants or records.
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