Women who are pregnant or breastfeeding

Patients with any significant acute or chronic medical illness, other than bipolar I disorder

Subjects with active psychotic symptoms

History of head trauma within the past 2 years

History of akathisia requiring treatment

History of tardive dyskinesia or abnormal involuntary movements

Subjects with a predisposition to orthostatic hypotension

Positive urine screen for drugs of abuse

Use of narcotic-containing agents, amphetamines, or hormonal contraceptives within 4 weeks of study start

Drug-drug Interaction Study of Aripiprazole and Lamotrigine in Patients With Bipolar Type I Disorder