First Phase 3 Results Published for an Allogeneic T-Cell Therapy Significant 51.2% Objective Response Rate and 23.0 Month Median Duration of Response in Relapsed or Refractory EBV+ PTLD Patients U.S. BLA on Track for Submission in Q2 2024 Based on Strong Clinical File CASTRES, France and THOUSAND OAKS, Calif., Feb. 1, 2024 /PRNewswire/ -- Atara Biotherapeutics, Inc. (Nasdaq: ATRA), a leader in T-cell immunotherapy, leveraging its novel allogeneic Epstein-Barr virus (EBV) T-cell platform to develop transform ...