 14. Women of childbearing potential must have a negative serum or urine pregnancy test performed 14 days prior to start of treatment. Women of childbearing potential must use effective birth control measures during treatment. Acceptable contraceptive methods include: 1 an intrauterine device with a documented failure rate of 1 per year, 2 a vasectomized partner who is sterile prior to the patients entry and is the sole sexual partner for that female, 3 abstinence 14 days prior to study entry, throughout the dosing period, and for at least 21 days after the last dose of protocol therapy, 4 double-barrier contraception, or 5 oral contraception. If a woman becomes pregnant or suspects she is pregnant while participating in this study, she must agree to inform her treating physician immediately. 