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Designer Immune Cells Made From Patients’ Own Blood Kill Cancer

Two leukemia patients were cancer- free in three weeks after being treated with genetically engineered versions of their own immune cells, an early finding that could lead to a new approach for treating the blood cancer.

The trial of three patients showed that researchers could reprogram enough infection-fighting T-cells to wipe out malignant cells. The procedure also stimulated cells that defend against the cancer’s return, according to papers published today in Science Translational Medicine and the New England Journal of Medicine.