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Meta-Analysis
. 2016 Jul;122(1):61-71.
doi: 10.1016/j.oooo.2016.03.003. Epub 2016 Mar 15.

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

Thomas Shackleton  1 , Saravanan Ram  2 , Misty Black  1 , Jon Ryder  1 , Glenn T Clark  3 , Reyes Enciso  4
Affiliations
Meta-Analysis

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

Thomas Shackleton et al. Oral Surg Oral Med Oral Pathol Oral Radiol. 2016 Jul.

Abstract

Objective: To evaluate the efficacy of a botulinum toxin type A (BoTN-A) in treating trigeminal neuralgia (TN) and postherpetic neuralgia (PHN).

Study design: Three 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.

Results: Six 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.

Conclusions: Although 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.

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