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Impact of intravesical onabotulinumtoxinA (Botox) on sexual function in patients with overactive bladder syndrome: a systematic review and meta-analysis

Lookup NU author(s): Dr Gareth Waring


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© 2022, The International Urogynecological Association. Introduction and hypothesis: The association between overactive bladder (OAB) syndrome and sexual dysfunction is well documented. Intra-detrusor onabotulinumtoxinA (Botox) has proven to be effective treatment for OAB syndrome. Our aim was to examine the impact of intravesical Botox injection on sexual function in patients with OAB, by systematically reviewing the literature. Methods: We reviewed the literature for studies that reported a change in sexual function after Botox treatment in patients suffering from OAB. This review was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement using pre-agreed keywords, from database inception to December 2020. Statistical analyses were performed using Review Manager (RevMan; v.5.4). Results: Initial results yielded 455 citations. Seven articles met our inclusion criteria. One article was double-reported, leaving 6 studies in the systematic review. Three observational before-and-after studies used the Female Sexual Function Index (FSFI) with sufficient information, and therefore were included in our meta-analysis. The pooled number of participants in all studies was 119 patients. In the meta-analysis, there was significant improvement in the following domains of the FSFI after Botox injection; desire (mean difference (MD) −0.51, p = 0.02), arousal (MD −0.86, p = 0.02), lubrication (MD −0.57, p = 0.03), orgasm (MD −0.65, p = 0.0003) and satisfaction (MD −0.46, p = 0.05). Pain was the only domain that did not show improvement (MD −0.07, p = 0.79). The total FSFI score was reported in 88 patients (two studies) showing significant improvement (MD −0.77, p = 0.006). Conclusions: We report a systematic review of the effect of Botox treatment on sexual function in patients with OAB. Although studies are small, the results indicate a positive effect in patients with OAB.

Publication metadata

Author(s): Shawer S, Khunda A, Waring GJ, Ballard P

Publication type: Review

Publication status: Published

Journal: International Urogynecology Journal

Year: 2022

Issue: 33

Pages: 235–243

Print publication date: 01/02/2022

Online publication date: 13/01/2022

Acceptance date: 21/12/2021

ISSN (print): 0937-3462

ISSN (electronic): 1433-3023

Publisher: Springer Science and Business Media Deutschland GmbH


DOI: 10.1007/s00192-021-05072-7