4 citations
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September 2002 in “Der Urologe” This review reports that combination therapy with 5α-reductase inhibitors and α1-receptor blockers does not appear to benefit patients with benign prostatic hyperplasia and prostate volumes up to 40–45 ml, but may be more effective for larger prostate volumes.
February 2026 in “European journal of medical research” This study found that combination therapy with alpha-adrenergic blockers and 5α-reductase inhibitors significantly improved urinary symptoms, reduced prostate volume, and decreased the risk of acute urinary retention and postoperative surgery in patients with benign prostatic hyperplasia compared to monotherapy.
15 citations
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July 2016 in “Urologic Clinics of North America” This study found that combining 5-alpha reductase inhibitors with alpha-blockers provided the best symptomatic relief and reduced the risk of clinical progression for BPH, while PDE5 inhibitors could offset sexual side effects.
This study will explore whether combination therapy with either dutasteride or finasteride and an α1 blocker is more effective than monotherapy for treating BPH, but it reports no new results.
March 2014 in “Annals of Internal Medicine” This review found that adding α1-blockers to 5α-reductase inhibitors may improve lower urinary tract symptoms in men with non-neurogenic conditions, based on existing evidence.