| Inclusion Criteria: | 1) 18 to 70 years of age .
2) Patients with CD20 + CLL, mantle cell and follicular lymphoma who are eligible for allogeneic transplantation.
3) Patients with relapsed diffuse large B-cell lymphoma may be included if there were not eligible for autologous transplantation.
4) A fully-matched sibling donor.
5) Left ventricular EF > 40% with no uncontrolled arrythmias or symptomatic heart disease.
6) FEV1, FVC and DLCO > 40%.
7) Serum creatinine < 1.6 mg/dL. Serum bilirubin < 3X upper limit of normal.
8) SGPT < 3X upper limit of normal.
9) Voluntary signed, written IRB-approved informed consent before performance of any study-related procedure not part of normal medical care, with the understanding that consent may be withdrawn by the subject at any time without prejudice to future medical care.
10) Men and women of reproductive potential must agree to follow accepted birth control methods for the duration of the study. Female subject is either post-menopausal or surgically sterilized or willing to use an acceptable method of birth control (i.e., a hormonal contraceptive, intra-uterine device, diaphragm with spermicide, condom with spermicide, or abstinence) for the duration of the study. Male subject agrees to use an acceptable method for contraception for the duration of the study. |