Ulrike Protzer, MD, Technical University of Munich, Munich, Germany, shares her excitement towards their chimeric antigen receptor (CAR) constructs being investigated as a novel clinical approach to treat chronic hepatitis B and hepatitis B virus (HBV)-associated hepatocellular carcinoma (HCC). This interview took place at the EBMT-EHA 4th European CAR T-cell Meeting which was held virtually in 2022.