Alfuzosin 10 mg once daily prevents overall clinical progression of benign prostatic hyperplasia but not acute urinary retention: Results of a 2-year placebo-controlled study

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Abstract

OBJECTIVES: To evaluate the effect of alfuzosin 10 mg once daily administered for 2 years on progression events in men with lower urinary tract symptoms/benign prostatic hyperplasia (LUTS/BPH). PATIENTS AND METHODS: In all, 1522 men at risk of having progression events from LUTS/BPH were randomized to receive alfuzosin 10 mg once daily (759) or placebo (763) for 2 years. Endpoints assessed were the occurrence of a first episode of acute urinary retention (AUR; primary) and the need for BPH-related surgery. Post hoc analyses included a deterioration in the International Prostate Symptom Score (IPSS) of ≥4 points and overall clinical progression of BPH (occurrence of AUR and/or surgery and/or symptom deterioration). RESULTS: Over 2 years, symptom deterioration was the most common progression event (14.3%), followed by BPH-related surgery (5.8%) and AUR (2.0%). Alfuzosin did not reduce the risk of AUR (alfuzosin 2.1% vs placebo 1.8%, P = 0.82) but tended to reduce the risk of surgery (5.1% vs 6.5%, P = 0.18); the reduction in risk (RR) and 95% confidence interval with alfuzosin was 22 (-18 to 48)%; and significantly reduced the risk of symptom deterioration (11.7% vs 16.8%; P = 0.0013); the RR was 30 (10-46)%. The overall clinical progression of BPH was significantly lower with alfuzosin than with placebo (16.3% vs 22.1%, P < 0.001); RR 26 (9-40)%. Alfuzosin also significantly improved the IPSS (P = 0.017), quality of life (P < 0.001) and peak flow rate (P = 0.001) compared with placebo. Baseline levels of prostate-specific antigen (PSA) predicted both AUR and BPH-related surgery events, while the baseline postvoid residual urine volume predicted symptom deterioration. The incidence of adverse events with alfuzosin was comparable to that with placebo. CONCLUSIONS: Alfuzosin 10 mg once daily prevents the overall clinical progression of BPH, defined by the occurrence of a deterioration in IPSS of ≥4 points and/or AUR and/or BPH-related surgery, but does not reduce the primary occurrence of AUR. Alfuzosin significantly improves LUTS and quality of life over 2 years, and is well tolerated.

Original languageEnglish (US)
Pages (from-to)734-741
Number of pages8
JournalBJU international
Volume97
Issue number4
DOIs
StatePublished - Apr 1 2006

Keywords

  • Acute urinary retention
  • BPH
  • LUTS
  • Prolonged-release alfuzosin
  • Surgery
  • α-blocker

ASJC Scopus subject areas

  • Urology

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