An Immune System Trained to Kill Cancer
CLOSE-UP Dr. Carl June examined re-engineered T-cells last week in his Philadelphia lab.
PHILADELPHIA — A year ago, when chemotherapy stopped working against his leukemia, William Ludwig signed up to be the first patient treated in a bold experiment at the University of Pennsylvania. Mr. Ludwig, then 65, a retired corrections officer from Bridgeton, N.J., felt his life draining away and thought he had nothing to lose.