Overview Study Evaluating Bifeprunox in Patients With Schizophrenia. Status: Terminated Trial end date: 2008-03-01 Target enrollment: Participant gender: Summary An open-label extension study using a variable dose (20 to 30 mg daily) of bifeprunox to evaluate long-term safety. Phase: Phase 3 Details Lead Sponsor: Wyeth is now a wholly owned subsidiary of Pfizer