 - Women of childbearing potential must have a negative serum pregnancy test performed within 7 days prior to the start of the treatment; women of childbearing potential and men must agree to use adequate contraception prior to study entry and for the duration of study participation i.e, a hormonal contraceptive, intra-uterine device, diaphragm with spermicide, condom with spermicide, or abstinence for the duration of the study and for a minimum of 3 months following the last dose of chemotherapy; male subject agrees to use an acceptable method for contraception for the duration of the study and for a minimum of 3 months following the last dose of chemotherapy 