The effects of combination therapy with dutasteride plus tamsulosin on clinical outcomes in men with symptomatic BPH: 4-year post hoc analysis of European men in the CombAT study

O. Haillot, A. Fraga, P. MacIukiewicz, D. Pushkar, T. Tammela, K. Höfner, V. Chantada, P. Gagnier, B. Morrill

Research output: Contribution to journalArticleScientificpeer-review

Abstract

CombAT (Combination of Avodart and Tamsulosin) was a randomised, double-blind study in men (n4844) aged 50 years with a clinical diagnosis of BPH. Patients were randomised to daily tamsulosin 0.4 mg, dutasteride 0.5 mg or both for 4 years. The primary endpoint was time to acute urinary retention (AUR) or BPH-related surgery. Secondary endpoints included BPH clinical progression, symptoms and maximum urinary flow rate. A post hoc analysis of data from the European subgroup was conducted. A total of 2925 men were randomised to treatment in Europe as part of CombAT (tamsulosin, n=972: dutasteride, n=970: combination, n=983). Combination therapy significantly reduced the relative risk of AUR or BPH-related surgery compared with either monotherapy at 4 years, and also significantly reduced the risk of BPH clinical progression. Combination therapy also provided significantly greater symptom improvement than either monotherapy at 4 years. Safety and tolerability of dutasteride plus tamsulosin was consistent with previous experience of this combination and with the monotherapies. These data provide further evidence to support the use of long-term combination therapy (dutasteride plus tamsulosin) in men with moderate-to-severe lower urinary tract symptoms because of BPH and prostatic enlargement. The results in the European subgroup are generally consistent with those in the overall study population.

Original languageEnglish
Pages (from-to)302-306
Number of pages5
JournalPROSTATE CANCER AND PROSTATIC DISEASES
Volume14
Issue number4
DOIs
Publication statusPublished - 2011
Publication typeA1 Journal article-refereed

Keywords

  • BPH
  • CombAT
  • combination therapy
  • dutasteride
  • tamsulosin

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