 3. Use of any standardexperimental anti-lymphoma drug therapy, including steroids, within 3 weeks of initiation of the study or use of any experimental non-drug therapy e.g., donor leukocytemononuclear cell infusions within 56 days of initiation of the study drug treatment. Prior allogeneic stem cell transplant SCT within 16 weeks or autologous SCT within 8 weeks of initiation of therapy. 