Pilot Study of Hematopoietic Stem Cell Transplantation From Two Matched Sibling Donors in Treating Patients With Poor Prognosis Acute Leukemia and Advanced Lymphoproliferative Malignancies
Relapsed and Refractory Acute Leukemia
About this trial
This is an interventional treatment trial for Relapsed and Refractory Acute Leukemia focused on measuring acute leukemia, relapse, induction failure, allogeneic transplantation, graft versus leukemia effect
Eligibility Criteria
Inclusion Criteria:
- Age 18 years or older
- Patients with refractory or relapsed acute leukemia unable to receive myeloablative conditioning.
Patients with refractory or relapsed acute leukemia able to receive myeloablative conditioning but with the following factors:
AML- 2 or more of the following: duration of CR1 < 6 months, poor cytogenetics, circulating blasts, karnofsky < 90.
ALL- age > 40 or second and additional relapse, or 2 or more of the following: BM blasts > 25%, age 18-39,first refractory relapse, donor CMV positive.
- Patients with 2 matched siblings and donor age > 18 years old.
- Patients with advanced multiple myeloma with life expectancy of less than 6 months with standard therapy or transplantation.
- Patients with advanced lymphoma with life expectancy of less than 6 months with standard therapy or transplantation.
Exclusion Criteria:
- Patient age < 18 years.
- Donor age < 18 years.
- Patients in remission or not fulfilling above disease criteria -
Sites / Locations
- Davidoff Cancer Center, Beilin hospital, Rabin medical centerRecruiting
Arms of the Study
Arm 1
Experimental
Double matched sibling transplantation
Patients with poor risk active acute leukemia and who have 2 matched sibling donors can be included. Patients' conditioning may be myeloablative or non-myeloablative. Both matched donors will be mobilized with G-CSF and their peripheral blood stem cells will be collected on day 0.Equal numbers of CD34+ cells from both donors will be transfused to the patient. Patients will be followed for engraftment kinetics, chimerism, GVHD rate, severity and response to treatment, relapse rates, DFS and OS.