11. Patient is pregnant or breast feeding or planning to become pregnant within the six months after the end of treatment. Women with child-bearing potential must be performed a pregnancy serum or urine testing within 7 days prior to study entry according to institutional standards and should use an adequate non-hormonal contraceptive method (intra-uterine contraceptive device, barrier method of contraception in conjunction with spermicidal jelly or surgically sterilized) during treatment with study drugs and within the six months after the end of treatment.