Patients aged ≥ 19 and \< 70 years at the time of informed consent
Patients who are able to understand information required for providing a consent
Patients who have received a mood stabilizer (lithium or valproic acid)
Patients with bipolar I or II disorder accompanied by major depressive episode
Montgomery-Åsberg Depression Rating Scale (MADRS) total score ≥ 20 at both the screening and baseline visits
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Patients diagnosed with bipolar I or II disorder with mania, mixed or psychotropic features
Patients considered to have a high risk of suicide during the study period by the investigator based on current psychotic symptom and the patient's past medical history
Clareo Health | A Study of Abilify® Tablet(Aripiprazole) as an Adjunctive Treatment in the Bipolar Depression