Efficacy and Safety of MT-5199 in Subjects With Tardive Dyskinesia

Inclusion Criteria:

• Have one of the following clinical diagnoses for at least 3 months prior to screening:Schizophrenia or Schizoaffective Disorder, Bipolar Disorder, or Depressive Disorders.
• Have a clinical diagnosis of neuroleptic-induced TD.
• Have moderate or severe TD.
• If using maintenance medication(s) for schizophrenia or schizoaffective disorder, orbipolar disorder, or depressive disorders, be on stable doses.

Exclusion Criteria:

• Have an active, clinically significant unstable medical condition in screening period.
• Have a significant risk of suicidal or violent behavior.
• Have a known history of long QT syndrome or cardiac tachy-arrhythmia.
• Are currently pregnant or breastfeeding.