385 Long-term Outcomes of 63 Patients with Transfusion-Dependent ß-Thalassemia (TDT) Followed-up to 7 Years after Treatment with betibeglogene autotemcel (beti-cel) Gene Therapy (GT) and Factors Impacting Neutrophil and Platelet Engraftment.

Timothy S. Olson, Mark C. Walters, Janet L. Kwiatkowski, John B. Porter, Jennifer Schneiderman, Suradej Hongeng, Andreas E. Kulozik, Marina Cavazzana, Martin G. Sauer, Adrian J. Thrasher, Isabelle Thuret, Ashutosh Lal, John E.J. Rasko, Evangelia Yannaki, Shamshad Ali, Richard A. Colvin, Franco Locatelli, Alexis A. Thompson