Volume 10, Issue 3 pp. 215-220
ORIGINAL ARTICLE

Comparisons of the Clinical Outcomes and Urodynamic Effects of Mirabegron versus Tolterodine Treatment for Female Overactive Bladder Syndrome: A Subgroup Analysis of a Controlled, Randomised, Prospective Study

Sheng-Mou HSIAO

Sheng-Mou HSIAO

Department of Obstetrics and Gynecology, Far Eastern Memorial Hospital, New Taipei, Taiwan

Graduate School of Biotechnology and Bioengineering, Yuan Ze University, Taoyuan, Taiwan

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Ting-Chen CHANG

Ting-Chen CHANG

Department of Obstetrics and Gynecology, National Taiwan University College of Medicine and National Taiwan University Hospital, Taipei, Taiwan

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Chi-Hau CHEN

Chi-Hau CHEN

Department of Obstetrics and Gynecology, National Taiwan University College of Medicine and National Taiwan University Hospital, Taipei, Taiwan

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Wen-Yih WU

Wen-Yih WU

Department of Obstetrics and Gynecology, Far Eastern Memorial Hospital, New Taipei, Taiwan

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Ho-Hsiung LIN

Corresponding Author

Ho-Hsiung LIN

Department of Obstetrics and Gynecology, National Taiwan University College of Medicine and National Taiwan University Hospital, Taipei, Taiwan

Correspondence: Professor Ho-Hsiung Lin, MD, PhD, Department of Obstetrics and Gynecology, National Taiwan University Hospital, No. 8, Chung-Shan South Road, Taipei 100, Taiwan. Tel: +886223123456 ext 71557; Fax: +886223114965. Email: [email protected]Search for more papers by this author
First published: 23 April 2017
Citations: 8
The work was carried out at the Department of Obstetrics and Gynecology, National Taiwan University Hospital, Taipei, Taiwan.

Abstract

Objectives

The impact of mirabegron on clinical outcome and urodynamic parameters may be important for clinical practice. Thus, the aim of this study was to compare the clinical outcomes and urodynamic effects of mirabegron (Betmiga 50 mg) versus tolterodine (Detrusitol ER 4 mg) treatment for women with overactive bladder syndrome (OAB).

Methods

Women with OAB were randomized to receive 12 weeks of mirabegron 50 mg, tolterodine extended-release 4 mg or placebo treatment. The clinical outcomes and urodynamic effects were compared between the subgroups.

Results

Thirty-three women completed 12 weeks of mirabegron (n = 12), tolterodine (n = 12) or placebo (n = 9) treatment. A significant increase in the volumes at strong desire to void and a decrease in the daytime frequency episodes were identified in the mirabegron and tolterodine groups (all P < 0.05). Nonetheless, a decrease in the total voided volume was identified following mirabegron treatment but not tolterodine (P = 0.02).

Conclusions

Mirabegron and tolterodine exhibit similar changes in the urodynamics and bladder diary parameters. However, mirabegron may decrease the total voided volume. These findings may serve as an initial guide or assist in consultations regarding the treatment of OAB patients with mirabegron.

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