Study of the Effectiveness of Valbenazine on Patient- and Clinician-Reported Outcomes in Participants With Tardive Dyskinesia

A Phase 4, Single-Arm, Open-Label Study to Evaluate the Effectiveness of Valbenazine on Patient- and Clinician-Reported Outcomes in Subjects With Tardive Dyskinesia

This study will evaluate the effectiveness of valbenazine on patient- and clinician-reported outcomes assessing health-related quality of life, functioning, and treatment effect in participants with tardive dyskinesia (TD) who are receiving valbenazine for up to 24 weeks.

Key Inclusion Criteria:

• At least 18 years of age
• Have one of the following clinical diagnoses: schizophrenia or schizoaffective disorder, bipolar disorder, or major depressive disorder
• Have a clinical diagnosis of neuroleptic-induced TD
• Medication(s) for schizophrenia or schizoaffective disorder, bipolar disorder, or major depressive disorder and other protocol-allowed concurrent medications must be at a stable dose and expected to remain stable during the study
• Participants must be outpatients and have a stable psychiatric status

Key Exclusion Criteria:

• Have comorbid abnormal involuntary movement(s) (for example, Parkinsonism, akathisia) that is more prominent than TD
• Have an active, clinically significant unstable medical condition in the judgement of the investigator, or have any laboratory value outside the normal range that is considered by the investigator to be clinically significant at the screening visit