Embodiments of the present invention relate generally to the treatment of
schizophrenia or
bipolar I disorder, and more particularly to the administration of
iloperidone, including escalating doses of
iloperidone, a pharmaceutically acceptable salt of
iloperidone, an
active metabolite of iloperidone, or a pharmaceutically acceptable salt of a
metabolite of iloperidone, in such treatment. A first aspect of the present invention provides a method of treating a patient suffering from
bipolar I disorder, comprising administering to the patient an effective amount of iloperidone, a pharmaceutically acceptable salt of iloperidone, an
active metabolite of iloperidone, or a pharmaceutically acceptable salt of a
metabolite of iloperidone, wherein the effective amount is effective to improve at least one manic symptom in the patient.