Int Neurourol J.  2018 Dec;22(4):275-286. 10.5213/inj.1836118.059.

Efficacy and Safety of OnabotulinumtoxinA in Patients With Neurogenic Detrusor Overactivity Caused by Spinal Cord Injury: A Systematic Review and Meta-analysis

Affiliations
  • 1Department of Urology, Beijing Tian Tan Hospital, Capital Medical University, Beijing, China. 18810665538@163.com

Abstract

PURPOSE
OnabotulinumtoxinA (BoNT-A) is a promising therapy for treating neurogenic detrusor overactivity (NDO) in individuals with spinal cord injury (SCI). This systematic review and meta-analysis aimed to carry out an in-depth review and to make an objective estimation of the efficacy and safety of BoNT-A on NDO after SCI.
METHODS
The PubMed, Embase, and Cochrane databases were searched for all relevant articles published from 2001 to 2016 that referred to NDO, SCI, and BoNT-A or botulinum toxin A. All data were recorded in an Excel spreadsheet by 2 individual reviewers. Review Manager version 5.3 was used to carry out the meta-analysis.
RESULTS
This analysis included 17 studies involving 1,455 patients. Compared with placebo and baseline, BoNT-A was effective in increasing maximum cystometric capacity, volume at first involuntary detrusor contraction, cystometric bladder capacity (all P < 0.00001), compliance (P=0.001), and the number of patients with complete dryness (P=0.0003), and decreasing detrusor pressure, the number of patients with no involuntary detrusor contractions, the maximum flow rate, the incidence of detrusor overactivity (all P < 0.00001), and the number of urinary incontinence episodes (P=0.001). There were no statistically significant differences between doses of 200 U and 300 U or between injections into the detrusor and submucosa. There were no life-threatening adverse events.
CONCLUSIONS
BoNT-A is effective and safe in treating NDO after SCI. There were no statistically significant differences between doses of 200 U and 300 U or between injecting into the detrusor and submucosa. However, more high-quality randomized controlled trials are still needed.

Keyword

OnabotulinumtoxinA; Meta-analysis; Neurogenic detrusor overactivity; Spinal cord injury

MeSH Terms

Botulinum Toxins
Compliance
Humans
Incidence
Spinal Cord Injuries*
Spinal Cord*
Urinary Bladder
Urinary Incontinence
Botulinum Toxins
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