Efficacy of onabotulinumtoxinA in the treatment of unipolar major depression: Systematic review, meta-analysis and meta-regression analyses of double-blind randomised controlled trials.

J Psychopharmacol · 2021 · PMC8366169 · PMID 33719696

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did not reach statistical significanceno p-value reported

(2020) reported that the group treated with 30 IU of onabotulinumtoxinA improved up to week 15, although the difference, in comparison to placebo, did not reach statistical significance.

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