| Inclusion Criteria: | 1) Age 18 years and older
2) Diagnosis of T lymphoid malignancy established by peripheral blood, bone marrow or tissue (skin, lymph node or other) examination and using the standard criteria.
3) Patients with untreated T-PLL, peripheral T-cell lymphoma, hepatosplenic T-cell lymphoma and NK/T cell lymphoma are eligible.
4) Patients with relapsed/refractory T-PLL, T-ALL, ATLL, peripheral T-cell lymphoma, hepatosplenic T-cell lymphoma and NK/T cell lymphoma and other T-lymphoid malignancies are eligible. Patients who have had prior therapy with either alemtuzumab or pentostatin as single agents are eligible.
5) Willing to use adequate contraception for the entire duration of the study.
6) Performance status 0-2.
7) Creatinine less than or equal to 2.0 mg/dL and calculated creatinine clearance greater than 40
8) Bilirubin less than or equal to 3.0 mg/dL, transaminases (SGPT, SGOT) less than 4 x upper limit of normal unless related to the disease.
9) Left ventricular ejection fraction greater than 30%. |