Karlo Perica, MD, PhD, of the Memorial Sloan Kettering Cancer Center, New York, NY, explains the rationale behind a retrospective review of adult patients with R/R acute lymphoblastic leukemia (ALL) treated with 19-28z CAR-T therapy seeking to characterize bridging strategies. This interview was recorded at the American Society of Oncology (ASCO) 2019 Annual Meeting, held in Chicago, IL.