Preemptive Infusion of Donor Lymphocytes Depleted of TCR + T Cells + CD19+ B Cells Following ASCT
Allogeneic Stem Cell Transplant Candidate, Acute Myeloid/Lymphoblastic Leukemia, Myelodysplastic Syndrome
About this trial
This is an interventional treatment trial for Allogeneic Stem Cell Transplant Candidate
Eligibility Criteria
Inclusion Criteria:
- Subjects must have histologic or cytologic confirmation of ANY hematologic malignancy
- Allogeneic stem cell transplant is indicated as management of underlying hematologic malignancy.
- Participant has organ function (cardiac, lung and liver) considered adequate to undergo conditioning chemotherapy and allogeneic stem cell transplant in the assessment of the clinical program
- Participant has a 10/10 HLA-matched sibling donor OR has a HLA-haploidentical donor available (in the absence of a 10/10 HLA matched unrelated donor)
- The related transplant donor is willing, available and consents to undergo a second, non-mobilized leukapheresis for the procurement of donor lymphocytes
- The related transplant donor is 18 years of age or older
- Subjects must have the ability to understand and the willingness to sign a written informed consent document or provide assent.
Exclusion Criteria:
- Subject is unwilling to receive a prophylactic donor lymphocyte infusion per study protocol.
- The related donor is unwilling or unavailable to undergo a second, non- mobilized leukapheresis for the procurement of donor lymphocytes.
- Women of child-bearing potential and men must agree to use adequate contraception (double barrier method of birth control or abstinence) 4 weeks prior to study entry and for the duration of study participation. Women of child-bearing age must have documented negative pregnancy test prior to start of conditioning regimen for stem cell transplantation and a repeat negative pregnancy test prior to infusion of the lymphocyte product.
- Patients with any of the following organ function abnormalities: Left ventricular ejection fraction (LVEF) < 45%; DLCO <45% of expected value corrected for alveolar volume and hemoglobin; Serum Creatinine >2 times the upper limit of normal.
Sites / Locations
- University Hospitals Cleveland Medical Center, Case Comprehensive Cancer Center
Arms of the Study
Arm 1
Experimental
NK/γδ T cell-enriched cell therapy product
This study will treat 10 participants with the donor NK/TCR-γδ T cell product. Of those 10 participants, 5 would have 10/10 HLA matched sibling donors (MSD) while 5 would have partially matched, related (haplo) donors. 27 days post transplant, the participant's donor will undergo a second, non-mobilized leukapheresis to obtain peripheral blood mononuclear cells (PBMCs). Donor PBMCs will be processed next day (Day T+28) to obtain the NK cell/TCRγδ T cell product for same day infusion if the participant remains aGVHD free and clinically stable. Participants will continue routine post-transplant and GVHD monitoring, as well as disease assessment at 56 days, 100 days, 6 months and 1 year following transplant. Blood samples will be obtained on T=0, T+7, 14, 21 and 28 days and then weekly until T + 56 days, then on T+100 days, + 6 months and + 12 months. If immune-mediated adverse events occur (GVHD, CRS etc) additional blood samples will be obtained at onset and resolution.