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Safety of Tamsulosin: A Systematic Review of Randomized Trials with a Focus on Women and Children

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Abstract

Introduction

Although tamsulosin is indicated for the treatment of the signs and symptoms of benign prostatic hyperplasia (BPH), it has also been assessed in clinical studies for other conditions/symptoms and in other populations such as women and children. In this systematic review of randomized studies, the overall safety of tamsulosin was assessed, focusing on these understudied populations.

Methods

Literature searches were conducted using Embase, Medline, and PubMed (inception–December 2015). A study was included if patients were randomized to receive treatment with any dose of tamsulosin capsules, tablets, or an oral controlled absorption system and numerical safety results were reported.

Results

Overall, 160 articles involving 46,072 participants met the inclusion criteria. Of these, four studies included women only and three included children. The mean [standard deviation (SD)] age ranged from 7.3 (4.2) to 76.8 (7.1) years. The studies (n; %) evaluated healthy subjects (18; 11%) or patients with lower urinary tract symptoms/BPH (90; 56%), ureteral stones/renal colic (42; 26%), prostatitis (4; 3%), or other conditions (6; 4%). Patients discontinued tamsulosin primarily because of adverse events (AEs) or insufficient response. AEs in women and children were abdominal pain, asthenia, constipation, dizziness, dry mouth, drowsiness, dyspepsia, headache, incontinence, nasal congestion, nausea, orthostatic hypotension, and somnolence. Due to heterogeneity across studies, statistical analysis could not be conducted.

Discussion

No unexpected AEs were observed in an all-comers population treated with tamsulosin for various conditions/symptoms. The overall safety profile in women and children seemed to be generally consistent with the profile in men, the indicated population.

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Acknowledgments

Writing, editorial support, and formatting assistance was provided by Suchita Nath-Sain, PhD, and Maribeth Bogush, PhD, of Cactus Communications, which was contracted and compensated by Boehringer Ingelheim Pharmaceuticals, Inc. (BIPI) for these services. BIPI was given the opportunity to review the manuscript for medical and scientific accuracy as well as intellectual property considerations.

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Correspondence to Steven A. Kaplan.

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Conflict of interest

The authors meet the criteria for authorship as recommended by the International Committee of Medical Journal Editors. The authors received no direct compensation related to the development of the manuscript. Steven A. Kaplan and Bilal I. Chughtai have no conflicts of interest to declare.

Funding

The study was funded by Boehringer Ingelheim Pharmaceuticals, Inc.

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Kaplan, S.A., Chughtai, B.I. Safety of Tamsulosin: A Systematic Review of Randomized Trials with a Focus on Women and Children. Drug Saf 41, 835–842 (2018). https://doi.org/10.1007/s40264-018-0674-y

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