Cellular therapy and immunotherapy has been very effective in lymphoid malignancies. We are still lagging in the myeloid arena in terms of having effective immune-based strategies, except for allogeneic stem cell transplant, of course. This study is looking at a combination of chemotherapy followed by allogeneic CAR-NK cells modified to target both CD33 and FLT3, which is expressed highly on AML blasts...
Cellular therapy and immunotherapy has been very effective in lymphoid malignancies. We are still lagging in the myeloid arena in terms of having effective immune-based strategies, except for allogeneic stem cell transplant, of course. This study is looking at a combination of chemotherapy followed by allogeneic CAR-NK cells modified to target both CD33 and FLT3, which is expressed highly on AML blasts. There is a NOTCH gate that prevents the NK cells from attacking normal hematopoietic stem cells because the main side effect of cellular therapies in AML has been prolonged myelosuppression through the effect on normal hematopoietic cells. So we hope that with this strategy we can induce some immune-based anti-leukemic activity without causing significant toxicity and the study is ongoing and the results of the early cohort of patients are being presented at this ASH.
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