PRIOR CONCURRENT THERAPY: Biologic therapy: No prior biologic therapy, including bone marrow transplantation, for AML after termination from PDL Study 195-301 No other concurrent biologic therapy for AML Chemotherapy: See Disease Characteristics No additional chemotherapy for AML after termination from PDL Study 195-301 No concurrent chemotherapy for AML Endocrine therapy: Not specified Radiotherapy: No prior radiotherapy for AML after termination from PDL Study 195-301 No concurrent radiotherapy for AML Surgery: Not specified Other: No other concurrent experimental therapy for AML