Botulinum toxin type A for treating chronic low back pain: A double blinded randomized control study.
OrthoEvidence Journal (OE Journal) - ACE Report
OE Journal. 2025;13(3):28 World J Methodol . 2024 Sep 20;14(3):93854.What this means for my practice?
Overall, Botulinum toxin type A does not offer a short-term advantage over placebo in reducing pain or improving functional outcomes in chronic low back pain. While the study was well-conducted, limitations include its small sample size and short follow-up period. Future research with larger samples and longer durations is needed to explore potential benefits.
Study Summary
Forty-four patients with chronic low back pain were randomized to receive either Botulinum toxin type A (BoNT-A; n=22) or a placebo (n=22). The primary outcome was the reduction in pain, measured by the Visual Analog Scale (VAS). Secondary outcomes included disability assessed by the Oswestry Disability Index (ODI) and the safety of the intervention. Outcomes were evaluated at baseline and after 8 weeks. Overall, both groups experienced significant reductions in VAS and ODI scores. However, the reduction in ODI scores was statistically significant but clinically insignificant, and changes in VAS scores were not statistically significant. The study concluded that BoNT-A did not provide a short-term advantage over placebo for pain relief or functional improvement in chronic low back pain.
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