Gene addition and editing strategies for transfusion-dependent Ξ²-thalassemia have gained momentum as potentially curative treatment options, with studies showcasing their efficacy and safety. We report the first real-world application of betibeglogene autotemcel (beti-cel; ZYNTEGLOβ’) during its period of active license in Europe from January 2020 to March 2022 for patients aged β₯ 12 years without a Ξ²0/Ξ²0 genotype and without a human leukocyte antigen (HLA)-matched sibling donor, before β¦