Cord Blood Transplantation in Patients With Advanced Lymphoid Malignancies

Indication: Patients with advanced lymphoid malignancies in the absence of an HLA identical or mismatch donor. Objectives: Overall survival at one year. Efficacy \>60%, rejection rate \<20%. Inclusion criteria: Age: 18-65 years old, no sibling or unrelated donor identified, low grade non-hodgkin lymphoma in third line (who already received at least one autologous transplantation); hodgkin lymphoma in early relapse (\<1 year), who received at least one autologous transplantation and sensible to chemotherapy and CLL with 17p deletion or in relapse less than 2 year after a fludarabine nbased regimen or in relapse after one autologous transplantation. Stem cell source: Two cord blood units containing both together more than 3x107 frozen nucleated cells/Kg with no more than 2 out of 6 HLA mismatches between them and with the patients.