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    Home > Active Ingredient News > Blood System > Leukemia: Donor-derived NK cells can reduce the recurrence rate of cancer patients after allogeneic hematopoietic stem cell transplantation

    Leukemia: Donor-derived NK cells can reduce the recurrence rate of cancer patients after allogeneic hematopoietic stem cell transplantation

    • Last Update: 2021-08-14
    • Source: Internet
    • Author: User
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    Allogeneic hematopoietic stem cell transplantation (HSCT) is the preferred curative treatment strategy for patients with advanced hematological malignancies


    Allogeneic hematopoietic stem cell transplantation (HSCT) is the preferred curative treatment strategy for patients with advanced hematological malignancies


    Previous studies have shown that depending on the disease risk and transplant status, the recurrence rate of high-risk acute myeloid leukemia (AML) patients in remission can reach 50% or higher


    Natural killer (NK) cells are a type of lymphocytes that can recognize and eliminate malignant cells and virus- infected cells


    Natural killer (NK) cells are a type of lymphocytes that can recognize and eliminate malignant cells and virus- infected cells



    Transplantation results of the treatment group and the control group

    Transplantation results of the treatment group and the control group

    The results showed that the patients’ median follow-up time was 24 months, the 2-year recurrence rates of the study group and the control group were 4% and 38%, and the disease-free survival rate (DFS) was 66% and 44%, respectively


    The median follow-up time of the patients was 24 months, the 2-year recurrence rates of the study group and the control group were 4% and 38%, and the disease-free survival rate (DFS) was 66% and 44%, respectively



    Immune reconstitution of treated patients

    Immune reconstitution of treated patients

    All in all, the results of the study revealed that it is safe to give donor-derived expanded NK cells after allogeneic hematopoietic stem cell transplantation, and is related to the early post-transplantation NK cell-led immune reconstitution, disease recurrence rate and the improvement of patients' DFS


    After allogeneic hematopoietic stem cell transplantation, it is safe to give donor-derived expanded NK cells, and it is related to the early NK cell-led immune reconstitution, disease recurrence rate and the improvement of patients' DFS after transplantation



    Decrease post-transplant relapse using donor-derived expanded NK-cells

     



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