- Excluded Therapies and Medications for Cancer: 1) Anticancer chemotherapy during the study or within 4 weeks of study enrollment. Must have recovered from the toxic effects of the previous anti-cancer chemotherapy (with the exception of alopecia). Anti-cancer therapy is defined as any agent or combination of agents with clinically proven anti-tumor activity administered by any route with the purpose of affecting the malignancy, either directly or indirectly, including palliative and therapeutic endpoints. 2) Hormonal therapy during the study or within 2 weeks of first study enrollment. 3) Radiotherapy to target lesions during study or within 2 weeks of enrollment. 4) An irradiated lesion is considered evaluable only if it has shown enlargement since the completion of last radiation. 5) Bone marrow transplant or stem cell rescue. 6) Investigational drug therapy outside of this trial during or within 4 weeks of first study treatment.