- Male or female subjects 10 to 17 years of age, inclusive with bipolar I disorder, most recent episode depressed, with or without rapid cycling disease course (≥ 4 episodes of mood disturbance but < 8 episodes in the previous 12 months) and without psychotic features (diagnosed by DSM-V criteria, and confirmation of the bipolar I disorder diagnosis by an adequately trained clinician at the time of screening, by means of the Schedule for Affective Disorders and Schizophrenia for School-age Children [K-SADS-PL]). Note: The current episode of major depression associated with bipolar I disorder must be confirmed by the investigator and noted in the source records.