3. Patients who failed to meet NCI Working Group criteria for complete or partial response after therapy with regimens containing fludarabine or with disease relapse within 12 months after completing therapy with fludarabine containing regimen. Patients not eligible for fludarabine treatment, could also be included provided the disease remains unresponsive or relapses with 12 months after completing alternative salvage regimens (i.e. autologous HCT, bendamustine, gemcitabine, alemtuzumab or high-dose methyl-prednisolone), OR Patients with novo or acquired "17p deletion" cytogenetic abnormality. These patients must have received induction chemotherapy but could be transplanted in first complete or partial response.