This phase I/II trial studies how well cytokine-treated veto cells work in treating patients with hematologic malignancies following stem cell transplant. Giving chemotherapy and total-body or marrow irradiation before a stem cell transplant helps stop the growth of cells in the bone marrow, including normal blood-forming cells (stem cells) and cancer cells. When the healthy stem cells from a donor are infused into the patient, they may help the patient's bone marrow make stem cells, red blood cells, white blood cells, and platelets. Cytokine-treated veto cells may help the transplanted donor cells to develop and grow in recipients without causing graft-versus-host-disease (GVHD - when transplanted donor tissue attacks the tissues of the recipient's body).
Study sponsor and potential other locations can be found on ClinicalTrials.gov for NCT03622788.
PRIMARY OBJECTIVE:
I. To determine the optimal dose of anti-viral veto cells, defined as the dose which achieves engraftment without severe graft-vs-host disease (GVHD) at 42 days after non-myeloablative megadose T cell depleted haploidentical hematopoietic cell transplantation (HCT).
SECONDARY OBJECTIVES:
I. Toxicity.
II. Response rate.
III. Time to progression.
IV. Infections.
V. Immune reconstitution.
VI. Overall survival up to 1 year.
OUTLINE: This is a dose-escalation study of cytokine-treated veto cells.
CONDITIONING REGIMEN: Patients receive rituximab intravenously (IV) on day -11, anti-thymocyte globulin (ATG) IV over 4 hours on days -10 to -8 and fludarabine IV over 1 hour on days -7 to -4, then undergo total body irradiation (TBI) on day -2.
CONDITIONING REGIMEN (multiple myeloma, AML, CML, or MDS): Patients receive rituximab IV on day -15, ATG over 4 hours on days -14 to -12 and fludarabine IV over 1 hour on days -11 to -8, then undergo total marrow radiation (TMI) on days -7 to -4.
TRANSPLANT: Patients undergo peripheral blood stem cell transplantation (PBSCT) IV over 30-60 minutes on day -1 and 0.
GVHD PROPHYLAXIS: Patients receive cyclophosphamide IV over 3 hours on days +3 and +4 and cytokine-treated veto cells IV over 30-60 minutes on day +7.
After completion of stem cell transplant, patients are followed up once a week for 4 weeks, once a month for 3 months, and then periodically for one year.
Lead OrganizationM D Anderson Cancer Center
Principal InvestigatorRichard E. Champlin