- Patients with active second malignancies are excluded. Patients with second malignancies in remission may be eligible if there is no clinical evidence of active disease, documented by imaging, with tumor marker studies, etc., at screening. Patients maintained on long-term non-chemotherapy treatment, e.g., hormonal therapy, are eligible. In all cases, the second malignancy and its non-chemotherapy treatment must not interfere with the investigators ability to assess the safety or efficacy of the study treatment