PRIOR CONCURRENT THERAPY: Biologic therapy: No concurrent immunotherapy No concurrent routine use of filgrastim (G-CSF) or sargramostim (GM-CSF) Chemotherapy: At least 4 weeks since prior chemotherapy (6 weeks since nitrosoureas or mitomycin) and recovered No other concurrent chemotherapy Endocrine therapy: No concurrent hormonal therapy (except contraceptives and corticosteroids) Radiotherapy: At least 4 weeks since prior radiotherapy (including wide field pelvic radiation) No concurrent radiotherapy Surgery: Not specified Other: At least 4 weeks since prior investigational agents Concurrent warfarin and heparin allowed No aspirin and other nonsteroidal antiinflammatory 2 days before, the day of, and 2 days after LY231514 administration (5 days for long-acting agents) No concurrent nonsteroidal antiinflammatory drugs or salicylates with a long half-life e.g., naproxen, piroxicam, diflunisal, or nabumetone) No other concurrent experimental medications No concurrent dialysis