• Oral Surg Oral Med Oral Pathol Oral Radiol · Jul 2016

    Review Meta Analysis

    The efficacy of botulinum toxin for the treatment of trigeminal and postherpetic neuralgia: a systematic review with meta-analyses.

    • Thomas Shackleton, Saravanan Ram, Misty Black, Jon Ryder, Glenn T Clark, and Reyes Enciso.
    • Graduate, Master Science Program in Orofacial Pain and Oral Medicine, Herman Ostrow School of Dentistry of USC, Los Angeles, CA, USA.
    • Oral Surg Oral Med Oral Pathol Oral Radiol. 2016 Jul 1; 122 (1): 61-71.

    ObjectiveTo evaluate the efficacy of a botulinum toxin type A (BoTN-A) in treating trigeminal neuralgia (TN) and postherpetic neuralgia (PHN).Study DesignThree databases were searched: Medline, Web of Science, and Cochrane Library. The search was restricted to English-language randomized, placebo-controlled trials. Three review authors evaluated the cases for risk of bias.ResultsSix studies were eligible for inclusion. Pooled results showed a difference in post-treatment pain intensity of -3.009 (95% confidence interval -4.566 to -1.453; P < .001) in favor of BoTN-A compared with placebo in managing TN or PHN. Of the six studies, five had unclear risk of bias, and one showed high risk.ConclusionsAlthough the studies had unclear or high risk of bias, moderate evidence regarding the efficacy of BoTN-A in treating TN and PHN was found. BoTN-A might be an alternative treatment to those patients who are either unable to manage their pain medically or would like adjunct therapy.Copyright © 2016 Elsevier Inc. All rights reserved.

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