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Long-term therapy with the dual 5alpha-reductase inhibitor dutasteride is well tolerated in men with symptomatic benign prostatic hyperplasia.

Author(s): Schulman C, Pommerville P, Hofner K, Wachs B

Affiliation(s): Department of Urology, University Clinics of Brussels, Erasme Hospital, Brussels, Belgium. claude.schulman@ulb.ac.be

Publication date & source: 2006-01, BJU Int., 97(1):73-9

Publication type: Randomized Controlled Trial

OBJECTIVE: To examine the long-term (4-year) safety and tolerability of dutasteride in the treatment of symptomatic benign prostatic hyperplasia (BPH). PATIENTS AND METHODS: Patients who completed the double-blind phase of three dutasteride Phase III studies were eligible to enter a 2-year open-label extension, during which all patients received dutasteride 0.5 mg. Safety was assessed, including adverse-event reporting, clinical laboratory assessments, yearly physical examinations, and vital sign assessments. RESULTS: In all, 2340 patients entered the open-label phase, 1188 of whom previously received dutasteride during the double-blind phase of the study. The most common drug-related adverse events (occurring in > or = 1%) were effects on sexual function, which decreased with a longer duration of therapy. Gynaecomastia was reported in a small percentage of men throughout the 4-year study period. The incidence of individual sexual functional adverse events that led to withdrawal was < or = 1% (0.3-1.0%) during the 4-year study period. Dutasteride had no relevant effects on vital signs or clinical laboratory variables. CONCLUSION: These data show that dutasteride is well tolerated during long-term use for the treatment of symptomatic BPH.

Page last updated: 2006-01-31

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