PRIOR CONCURRENT THERAPY: No more that 2 prior therapy regimens Biologic therapy: No prior autologous or allogeneic bone marrow or peripheral blood stem cell transplant Chemotherapy: Not specified Endocrine therapy: Not specified Radiotherapy: Prior radiation therapy subject to dose requirements Surgery: Not specified Other: At least 2 weeks since intravenous treatment with antifungal, antibacterial or antiviral agents, except for treatment of coagulase negative staphylococcal infection of an IV or central line