The 16-Year-Old Girl Who Defeated an «Incurable» Leukemia Through a Breakthrough Gene Therapy

The new treatment relied on donor T cells that were genetically modified before being infused into the patient’s body. Unlike traditional CAR-T therapies that use a patient’s own immune cells, this method used healthy donor cells that were carefully edited in the laboratory. Scientists transformed these donor T cells into powerful cancer-fighting agents capable of recognizing and destroying malignant T cells without attacking other tissues.