cemacabtagene ansegedleucel (ALLO-501A) / Allogene Therap 
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  • ||||||||||  ALLO-501A / Allogene Therap
    Cellular Mechanisms Affecting Allogeneic CAR T Cell Expansion and Rejection in Large B-Cell Lymphoma (SDCC - Halls G-H) -  Nov 3, 2023 - Abstract #ASH2023ASH_6288;    
    P1/2
    We identified 11 patients with relapsed/refractory large B-cell lymphoma treated on the ALPHA-2 phase 1 trial (NCT04416984) with ALLO-501A, a healthy donor-derived CD19 CAR T with T cell receptor (TCR) knockout...We revealed the impact of recipient alloreactive CD8 + T cells in allogeneic CAR T rejection and identified expansion of identical allogeneic CAR T clonotypes with retained clonal hierarchy in multiple patients. While patient factors such as tumor burden and target antigen expression likely play a role as well, our results suggest that strategies to eliminate alloreactive recipient cells and enhance allogeneic CAR T fitness through improved product design, manufacturing and lymphodepletion could improve allogeneic CAR T expansion, persistence and efficacy.
  • ||||||||||  ALLO-647 / Allogene Therap, ALLO-501 / Allogene Therap
    ALLO-647 for Lymphodepletion in the Allogeneic CAR T Setting: Safety Experience with ALLO-501/501A in Patients (Pts) with Relapsed/Refractory (r/r) Large B-Cell and Follicular Lymphomas (SDCC - Halls G-H) -  Nov 3, 2023 - Abstract #ASH2023ASH_2530;    
    P1, P1/2
    While patient factors such as tumor burden and target antigen expression likely play a role as well, our results suggest that strategies to eliminate alloreactive recipient cells and enhance allogeneic CAR T fitness through improved product design, manufacturing and lymphodepletion could improve allogeneic CAR T expansion, persistence and efficacy. Updated phase 1 data for ALLO-501 (ALPHA; NCT03939026) and ALLO-501A (ALPHA2; NCT04416984) showed that administration of anti-CD19 allogeneic CAR T product following use of lymphodepletion that includes ALLO-647 plus fludarabine and cyclophosphamide provided durable responses and an acceptable safety profile in CAR T-cell
  • ||||||||||  ALLO-501 / Allogene Therap
    DURABLES RESPONSES ACHIEVED WITH ANTI-CD19 ALLOGENEIC CAR T ALLO-501/501A IN PHASE 1 TRIALS OF AUTOLOGOUS CAR T-NA (Poster area) -  May 12, 2023 - Abstract #EHA2023EHA_1418;    
    P1, P1/2
    Conditioning with a regimen of fludarabine (F)/cyclophosphamide (C)/ALLO-647 (A, a humanized anti-CD52 monoclonal IgG1) targets host CD52+ immune cells for elimination while allowing subsequently infused CD52-knock-out ALLO-501/501A cells to persist. A single dose of AlloCAR T therapy following FCA90 conditioning provided durable responses with a manageablesafety profile in autologous CAR T-na