| Inclusion Criteria: | 1) Age 18-75 years at the time of signing the informed consent form.
2) Disease: CLL in relapse, after failing conventional chemo-antibody combination therapy; CLL patients who failed to achieve CR with frontline conventional chemo-antibody; CLL patients with 17p deletion; CLL in Richter's.
3) Able to adhere to the study visit schedule and other protocol requirements.
4) Donor: HLA compatible related (HLA-A,-B,-DRBI matched or with one-antigen mismatched) or HLA compatible unrelated.
5) ECOG performance status of </= 2 at study entry
6) FEV1, FVC and DLCO >/= 40%.
7) Left ventricular EF > 40% with no uncontrolled arrhythmias or symptomatic heart disease.
8) Serum creatinine </= 1.6 mg/dL. Serum bilirubin < 1.6 mg/dL.
9) SGPT < 2x upper limit of normal.
10) 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performance of any study-related procedure not part of normal medical care, with the understanding that consent may be withdrawn by the subject at any time without prejudice to future medical care.
11) All previous cancer therapy, including radiation, hormonal therapy and surgery, must have been discontinued at least 3 weeks prior to treatment in this study.
12) Disease free of prior malignancies for >/= 5 years with exception of currently treated basal cell, squamous cell carcinoma of the skin, or carcinoma "insitu" of the cervix or breast.
13) Females of childbearing potential (FCBP)† must have a negative serum or urine pregnancy test with a sensitivity of at least 50 mIU/mL within 10 – 14 days prior to study entry. |