Videos VIDEO: The Impact of CAR T-Cell Therapy on ALL SHARE Facebook Twitter tweet February 15, 2018 (YouTube) Alexander E. Perl, MD, associate professor of medicine, University of Pennsylvania, discusses the impact of CAR T-cell therapy for patients with acute lymphoblastic leukemia (ALL). RELATED ARTICLESMORE FROM AUTHOR Video of a T-cell attacking a cancer cell. The Goal of Armored CAR T Cells VIDEO: CAR T-cells for CLL