• Am J Phys Med Rehabil · Mar 2015

    Review Meta Analysis

    Systematic literature review of abobotulinumtoxinA in clinical trials for adult upper limb spasticity.

    • Khashayar Dashtipour, Jack J Chen, Heather W Walker, and Michael Y Lee.
    • From the Department of Neurology, Loma Linda University School of Medicine, Loma Linda, California (KD, JJC); Loma Linda University, Schools of Pharmacy, Loma Linda, California (KD, JJC); and the Department of Physical Medicine and Rehabilitation, School of Medicine, the University of North Carolina at Chapel Hill, Chapel Hill, North Carolina (HWW, MYL).
    • Am J Phys Med Rehabil. 2015 Mar 1; 94 (3): 229-38.

    ObjectiveThe aim of this study was to elucidate clinical trial efficacy, safety, and dosing practices of abobotulinumtoxinA (ABO) treatment in adult patients with upper limb spasticity (ULS).MethodsA systematic literature review was performed to identify randomized controlled trials and other comparative clinical studies of ABO in the treatment of adult ULS published in English between January 1991 and January 2013. Medical literature databases (PubMed, Cochrane Library, and EMBASE) were searched, and a total of 295 records were identified. Of these, 12 primary publications that evaluated ABO for the management of ULS were included in the final data report.SynthesisTotal ABO doses ranged between 500 and 1500 U for ULS. Most of the studies in ULS showed statistically significant benefits (reduction in muscle tone based on Ashworth score) of ABO vs. placebo. Statistical significance was reached for most evaluations of spasticity using the Modified Ashworth Scale. Statistically significant effects on active movement and pain were demonstrated, albeit less consistently. ABO was generally well tolerated across the individual studies; most adverse events reported were considered unrelated to treatment. Adverse events considered associated with ABO treatment included fatigue, tiredness, arm pain, skin rashes, flu-like symptoms, worsening of spasm, and weakness.ConclusionsOn the basis of data extracted from 12 randomized clinical studies, a strong evidence base (9/12 studies) exists for the use of ABO to reduce ULS caused by stroke.

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