Botulinum Toxin-A Helps Painful Diabetic Neuropathy in Study

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Botulinum Toxin-A Helps Painful Diabetic Neuropathy
Botulinum Toxin-A Helps Painful Diabetic Neuropathy

(HealthDay News) — Botulinum toxin-A (BTX-A) appears to be beneficial for painful diabetic neuropathy (PDN), according to a meta-analysis published online March 20 in Pain Medicine.

Shaheen E. Lakhan, MD, PhD, from the Global Neuroscience Initiative Foundation in Los Angeles, and colleagues conducted a meta-analysis of two studies using BTX-A in the treatment of neuropathic pain. The difference in visual analog scale (VAS) from pre-intervention to one month post-intervention was measured as the primary outcome.

The researchers found that following treatment with BTX-A there was an improvement of 1.96 VAS points (P<0.001), which corresponded to a clinically significant improvement of "minimum change in pain." There was no statistically significant effect on adverse events in terms of infection at injection site (P=0.49).

"Tests for significance, low overall risk of bias, and almost no statistical heterogeneity suggests that there is a correlation between BTX-A and improvement of pain scores in PDN," the authors write.

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