Factors Predicting the Efficacy of Valbenazine and Exacerbation of Tardive Dyskinesia After Valbenazine Discontinuation in Japanese Patients

Although multiple regression analysis did not identify strong predictors of valbenazine efficacy and change in TD symptoms after valbenazine discontinuation, valbenazine dose was associated with meaningful improvement in TD. Rather than indicating efficacy in patients with specific factors, the data suggest a possible dose-dependent trend in improvement with valbenazine.