text: Both the 5 alpha-reductase inhibitor finasteride and << alpha 1-adrenoceptor >> antagonists (e.g. alfuzosin, doxazosin, [[ prazosin ]], tamsulosin and terazosin) have been recommended as appropriate treatment options for patients with lower urinary tract symptoms (LUTS) associated with benign prostatic obstruction (BPO), and their efficacy has been proven in several placebo-controlled trials.