NEW YORK--(BUSINESS WIRE)--Pfizer today announced that the U.S. Food and Drug Administration (FDA) has approved Geodon® (ziprasidone HCI) Capsules for maintenance treatment of bipolar I disorder as an adjunct to lithium or valproate in adults. The approval is based on clinical data demonstrating that Geodon is an effective and generally well-tolerated adjunctive treatment for long-term symptom control in patients with bipolar disorder.