 10. Concomitant Medications: The following drugs need to be stopped at the time of beginning therapy: Patient cannot be on enzyme inducing anticonvulsants. Patients must not have received growth factors to support the number or function of white cells or platelets within the past 7 days and Pegfilgrastim within the past 14 days. Patients must not be receiving any anti-thrombotic or anti-platelet agents. Patient cannot be on drugs that cause prolonged QT. 