HomemedicalUnlocking a Safer Path for CAR T Cell Immunotherapy: New Research Provides a Suit of Armor for Cancer-Fighting Cells. Unlocking a Safer Path for CAR T Cell Immunotherapy: New Research Provides a Suit of Armor for Cancer-Fighting Cells. September 22, 2023 Team ME ScholarHangout CAR T-cell therapy is revolutionizing cancer treatment by harnessing the power of the immune system. By reprogramming patients’ own T-cells to attack cancer, it’s achieving unprecedented success rates in once untreatable cancers.