The efficacy of CD19 chimeric antigen receptor (CAR) T cells in B cell malignancies has generated recent interest in their application to other B cell-related pathologies, such as autoimmune diseases. Fischbach et al.1 report on the use of CD19 CAR T cells in two patients with progressive multiple sclerosis, demonstrating feasibility and safety for the first time in this disease process.
Published by Elsevier Inc.