A randomized, double-blind, placebocontrolled, flexible-dose, parallel-group, Study of Lurasidone adjunctive to Lithium or Divalproex for the prevention of recurrence in subjects with bipolar I disorder

To evaluate the efficacy and safety of lurasidone (in combination with lithium or divalproex) for the maintenance treatment of bipolar I disorder in subjects with or without rapid cycling and/or psychotic features.