Bipolar Maintenance Study of Lurasidone Adjunctive to Lithium or Divalproex (PERSIST)

Inclusion Criteria:

Open-label Phase

• 18 years of age or older

• Diagnostic and Statistical Manual of Mental Disorders, 4th Ed., Text Revision (DSM-IV-TR) diagnosis of bipolar I disorder

  •≥ 1 manic, mixed manic, or depressed episode in past 2 years

• YMRS or MADRS total score ≥ 14 if on lithium or divalproex; ≥ 18 if not on lithium or divalproex

Double-blind Phase

Inclusion Criteria:

• Subjects must achieve consistent clinical stability, defined as total scores ≤ 12 on the YMRS and MADRS over at least 12 weeks, with the allowance of two excursions (YMRS and/or MADRS total scores up to 13 or 14, respectively) except during the last 4 weeks before randomization

Exclusion Criteria:

Open Label Phase

• Diagnosis of an Axis I or Axis II disorder, other than bipolar I disorder, that is the primary focus of treatment within 3 months of screening
• Subjects for whom diagnostic agreement between the Investigator and United BioSource Corporation (Boston) (UBC) cannot be reached
• Ultra-fast rapid cycling (defined as ≥ 8 mood episodes over the previous 12-month period)
• Subjects who test positive for drugs of abuse at screening. In the event a subject tests positive for cannabinoids (tetrahydrocannabinol), the Investigator will evaluate the subject's ability to abstain from cannabis during the study
• Unstable/inadequately treated medical illness
• The subjects answers "yes" to "Suicidal Ideation" items 4 or 5 on the C-SSRS (at time of evaluation)

Double Blind Phase

• Subjects who in the Investigator's judgment have not been compliant with study medication during the stabilization phase
• Subjects who have not stabilized during the open-label phase (within 20 weeks)
• Subjects who test positive for drugs of abuse at double-blind phase baseline. In the event a subject tests positive for cannabinoids (tetrahydrocannabinol), the Investigator will evaluate the subject's ability to abstain from cannabis during the study