As per a recent study conducted and published in Neurology, onabotulinumtoxinA (Botox) has shown efficacy in improving urinary symptoms in MS patients. The study was conducted with an aim to evaluate the efficacy and safety of onabotulinumtoxinA 100 U in noncatheterizing patients with multiple sclerosis (MS) with urinary incontinence (UI) due to neurogenic detrusor overactivity (NDO).
In this randomized, double-blind phase III study, patients received onabotulinumtoxinA 100 U (n = 66) or placebo (n = 78) as intradetrusor injections via cystoscopy. Assessments included changes from baseline in urinary symptoms, urodynamics, and Incontinence–Quality of Life (I-QOL) total score. Adverse events (AEs) were assessed, including initiation of clean intermittent catheterization (CIC) due to urinary retention.
Results of the study:
OnabotulinumtoxinA vs placebo significantly reduced UI at week 6 (−3.3 vs −1.1, p < 0.001; primary endpoint). Significantly greater proportions of onabotulinumtoxinA-treated patients achieved 100% UI reduction (53.0% vs 10.3%, p < 0.001). Significant improvements in urodynamics (p < 0.01) were observed with onabotulinumtoxinA. Improvements in I-QOL score were significantly greater with onabotulinumtoxinA (40.4 vs 9.9, p < 0.001) and ≈3 times the minimally important difference (+11 points). The most common AE was urinary tract infection (25.8%). CIC rates were 15.2% for onabotulinumtoxinA and 2.6% for placebo.
The study concluded that in noncatheterizing patients with MS, onabotulinumtoxinA 100 U significantly improved UI and quality of life with lower CIC rates than previously reported with onabotulinumtoxinA 200 U.
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News Source: http://n.neurology.org/content/neurology/early/2018/07/20/WNL.0000000000005991.full.pdf
Image Source: http://www.nosweatclinic.ca/site/index.php/7-botulinum-toxin-a-botox-therapeutic-by-allergan