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World Journal of Urology

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01-01-2019 | Original Article

Alpha-blockers with or without phosphodiesterase type 5 inhibitor for treatment of lower urinary tract symptoms secondary to benign prostatic hyperplasia: a systematic review and meta-analysis

Authors: Jianzhong Zhang, Xiao Li, Bin Yang, Cheng Wu, Yanghua Fan, Hongjun Li

Published in: World Journal of Urology | Issue 1/2019

Abstract

Purpose

Recently, several randomized controlled trials (RCTs) explored the effects of α-blockers with or without phosphodiesterase type 5 inhibitors (PDE5-Is) for lower urinary tract symptoms secondary to benign prostatic hyperplasia (LUTS/BPH). However, the results were inconsistent. We performed this meta-analysis to evaluate the role of combination therapy (α-blockers and PDE5-Is) in patients with LUTS/BPH.

Materials and methods

Databases including PubMed, Cochrane library, Web of Science, and Embase were searched for qualified RCTs. Pooled mean differences (MDs) and odds ratios (ORs) were calculated to measure the effects and adverse events in combination therapy. Moreover, subgroup analyses of ethnicity, dosage of PDE5-Is, treatment duration, and severity of LUTS/BPH were performed. In addition, trial sequential analyses (TSAs) were used to assess whether the evidence for the results was sufficient.

Results

Overall, this study identified 11 eligible RCTs, including 855 LUTS/BPH patients. Patients receiving combination therapy had better improvement in international prostate symptom score (IPSS: MD: 1.66, 95% CI − 3.03 to − 0.29), maximum urinary flow rate (Q_max: MD: 0.94, 95% CI 0.24–1.64), and international index of erectile function (IIEF: MD: 4.73, 95% CI 2.95–6.51), comparing those without PDE5-Is. Besides, subgroup analyses indicated that the effects of combination treatment were associated with ethnicity, treatment duration, and severity of LUTS/BPH. By TSA, the findings in the current study were based on sufficient evidence.

Conclusions

Our results indicated that combination therapy can significantly improve IPSS, Q_max, and IIEF in patients with LUTS/BPH. Combination therapy might be more suitable for these patients.

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Title: Alpha-blockers with or without phosphodiesterase type 5 inhibitor for treatment of lower urinary tract symptoms secondary to benign prostatic hyperplasia: a systematic review and meta-analysis
Authors: Jianzhong Zhang
Xiao Li
Bin Yang
Cheng Wu
Yanghua Fan
Hongjun Li
Publication date: 01-01-2019
Publisher: Springer Berlin Heidelberg
Published in: World Journal of Urology / Issue 1/2019
Print ISSN: 0724-4983
Electronic ISSN: 1433-8726
DOI: https://doi.org/10.1007/s00345-018-2370-z

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Alpha-blockers with or without phosphodiesterase type 5 inhibitor for treatment of lower urinary tract symptoms secondary to benign prostatic hyperplasia: a systematic review and meta-analysis

Abstract

Purpose

Materials and methods

Results

Conclusions

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Purpose

Materials and methods

Results

Conclusions

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