Valbenazine for tardive dyskinesia: A systematic review and network meta-Analysis

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To date, the role of valbenazine (VAL) in a dose-dependent increase in efficacy for tardive dyskinesia (TD) and in the worsening of acceptability and tolerability in a dose-dependent manner remains to be elucidated. Thus, in this systematic review and frequentist network meta-Analysis, we compared 16 outcomes of VAL80 mg/d (VAL80) with VAL40 mg/d (VAL40) related to the efficacy, acceptability, tolerability, and safety in the treatment of patients with TD. Using a 95% confidence interval, we calculated the standardized mean difference for continuous variables and the risk ratio for dichotomous variables. Our results demonstrated that both VAL80 and VAL40 were superior to the placebo in terms of Abnormal Involuntary Movement Scale (AIMS) total score, Clinical Global Impression of Change-TD, and response to treatment, but VAL80 outperformed VAL40 in terms of AIMS score and response to treatment. However, any active therapy and placebo treatment groups did not have significant differences in acceptability, tolerability, and safety outcomes and similarly between VAL80 and VAL40 in any other outcomes. In conclusions, VAL could be increased from VAL40 to VAL80 if a patient with TD adequately tolerates VAL40 but treatment response is poor.

Original languageEnglish
Pages (from-to)369-374
Number of pages6
JournalInternational Clinical Psychopharmacology
Issue number6
Publication statusPublished - 01-11-2023

All Science Journal Classification (ASJC) codes

  • Psychiatry and Mental health
  • Pharmacology (medical)


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