Chimeric antigen receptor (CAR) T cells have revolutionized the treatment of B cell malignancies, with multiple CAR T cell products having received approval by regulatory agencies around the world for numerous indications. However, significant work remains to be done to enhance these treatments. In March 2023, a group of experts in CAR T cell therapy assembled at the National Institutes of Health in Bethesda, MD, USA at the Insights in Pediatric CAR T-cell Immunotherapy: Recent Advances …