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Combined Tadalafil and alpha-Blocker Therapy for Benign Prostatic Hyperplasia in Patients With Erectile Dysfunction: A Multicenter, Prospective Study

Title
Combined Tadalafil and alpha-Blocker Therapy for Benign Prostatic Hyperplasia in Patients With Erectile Dysfunction: A Multicenter, Prospective Study
Author
박성열
Keywords
Efficacy; safety; adrenergic alpha-1 receptor antagonists; drug therapy
Issue Date
2012-05
Publisher
Amer SOC Andrology
Citation
Journal of Andrology, 2012, 33(3), P.397-403
Abstract
This prospective study evaluated the safety of tadalafil 5 mg taken once a day in terms of hypotensive side effects and whether it improves lower urinary tract symptoms (LUTS) and restores sexual function in patients with erectile dysfunction who are receiving concomitant alpha-blocker (AB) therapy for benign prostatic hyperplasia (BPH). A total of 158 LUTS/BPH patients receiving AB therapy for >= 3 months were given tadalafil 5 mg once a day. Before treatment with tadalafil (V1), and 4 weeks (V2) and 12 weeks (V3) after starting tadalafil, blood pressure, heart rate, International Prostate Symptom Score (IPSS), maximal urine flow rate (Qmax), postvoiding residual urine volume, and International Index of Erectile Function (IIEF-5) score were measured. Of the 158 LUTS/BPH patients, a total of 119 completed the trial. Blood pressure (systolic and diastolic) and heart rate did not change. IPSS and IIEF-5 scores improved significantly, but Qmax and postvoiding residual urine volume did not; however, in the 39 men with a low baseline Qmax (<= 10 mL/s), Qmax rose significantly from 7.97 +/- 1.44 mL/s (baseline) to 8.91 +/- 1.60 mL/s (V3; P = .012). The remaining patients (baseline Qmax >10 mL/s) did not change. At V2 and V3, adverse side effects were observed in 10 men (7.30%) and 6 men (5.04%), respectively. Facial flushing was the most common adverse side effect (6 men at V2 and 4 men at V3), followed by headache (2 men each at V2 and V3) and dizziness (2 men at V2). Two patients dropped out of the study because of adverse side effects. In conclusion, tadalafil 5 mg once a day in combination with AB appeared to have few adverse effects on hypotensive events and can improve LUTS and restore sexual function.
URI
https://onlinelibrary.wiley.com/doi/abs/10.2164/jandrol.111.013185
ISSN
0196-3635
DOI
10.2164/jandrol.111.013185
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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