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Tamsulosin, the first prostate-selective alpha 1A-adrenoceptor antagonist. Analysis of a multinational, multicentre, open-label study assessing the long-term efficacy and safety in patients with benign prostatic obstruction (symptomatic BPH). European Tam

Abstract：

OBJECTIVE:This open-label extension study evaluated the efficacy and safety of tamsulosin (0.4 mg as a modified release formulation) once daily in patients with benign prostatic enlargement, lower urinary tract symptoms and benign prostatic obstruction (symptomatic BPH) for up to 60 weeks. METHODS:Patients were enrolled from two European, 12-week, placebo-controlled trials. This 60-week interim analysis includes the patients (n = 244) randomized to tamsulosin in the two placebo-controlled trials. RESULTS:The significant improvements in the primary efficacy parameters, maximum urinary flow rate (Qmax) and total Boyarsky symptom score, that were observed during the placebo-controlled trials, were sustained throughout the long-term extension study. Mean Qmax improved from baseline (before initiation of tamsulosin) to endpoint by 13.7% (p < 0.001) and remained between 11.5 and 12 ml/s during the entire follow-up period. Total Boyarsky symptom score improved by 36.2% from baseline to endpoint (p < 0.001). Similarly, the percentage of treatment responders, defined as an increase in Qmax of > or = 30% or a decrease in total symptom score of > or = 25%, remained constant throughout the 60-week period. At endpoint, 69% of patients demonstrated this clinically significant total Boyarsky symptom score response. During the 60-week study period, 51 patients (21%) experienced an adverse event considered to be possibly or probably related to study medication, the most common of which were dizziness and abnormal ejaculation, both occurring in 5% of patients. There were no clinically significant changes in blood pressure or pulse rate during the study. CONCLUSION:Long-term tamsulosin therapy is safe, well tolerated and improvements in urinary flow and symptoms are maintained for at least 60 weeks of treatment.

journal_name

Eur Urol

journal_title

European urology

authors

Schulman CC,Cortvriend J,Jonas U,Lock TM,Vaage S,Speakman MJ

subject

Has Abstract

pub_date

1996-01-01 00:00:00

pages

145-54

issue

eissn

0302-2838

issn

1873-7560

journal_volume

pub_type

临床试验,杂志文章,多中心研究,随机对照试验

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Tamsulosin, the first prostate-selective alpha 1A-adrenoceptor antagonist. Analysis of a multinational, multicentre, open-label study assessing the long-term efficacy and safety in patients with benign prostatic obstruction (symptomatic BPH). European Tam