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Table 2 Comparison of clinical factors and SMDs before and after MAIC for OS

From: Matching-adjusted indirect treatment comparison of liso-cel versus axi-cel in relapsed or refractory large B cell lymphoma

Clinical factor OS
ZUMA-1 (axi-cel) phase 2 mITT set TRANSCEND (liso-cel) LBCL efficacy set
Before MAIC (naïve) After MAIC (SA1) After MAIC (SA2)
N/ESS N = 101 N = 256 ESS = 152.6 ESS = 98.9
Stat Stat SMD Stat SMD Stat SMD
Age, years, mean (SD) 56.3 (12.0) 60.3 (13.3) 0.308 56.3 (12.0) 0.000 56.3 (12.0) 0.000
Male sex, % 67.3 66.0 0.027 68.3 0.020 67.3 0.000
IPI score, %*
 0–2 54.5 58.6 0.162 54.5 0.000 54.5 0.000
 3–4 45.5 39.8   45.5   45.5  
 5 0.0 0.8   0.0   0.0  
 Missing 0.0 0.8   0.0   0.0  
ECOG PS at screening, %
 0 41.6 40.6 0.178 37.9 0.075 41.6 0.000
 1 58.4 57.8   62.1   58.4  
 2 0.0 1.6   0.0   0.0  
Disease stage, %
 I or II 14.9 27.0 0.304 23.5 0.219 14.9 0.000
 III or IV 85.1 72.3   76.5   85.1  
 Missing 0.0 0.8   0.0   0.0  
Tumor burden based on SPD before LDC, cm2, mean (SD) 50.4 (43.7) 43.7 (48.1) 0.142 50.4 (43.8) 0.000 50.4 (43.9) 0.000
Secondary CNS disease at time of treatment, %
 No 100.0 97.7 0.219 100.0 0.000 100.0 0.000
 Yes 0.0 2.3   0.0   0.0  
Extranodal disease, %
 No 30.7 46.9 0.344 42.9 0.255 30.7 0.000
 Yes 69.3 52.3   57.1   69.3  
 Missing 0.0 0.8   0.0   0.0  
Bulky disease, %
 No 83.2 87.9 0.155 83.2 0.000 83.2 0.000
 Yes 16.8 11.3   16.8   16.8  
 Missing 0.0 0.8   0.0   0.0  
Disease histology, %
 DLBCL 76.2 71.1 0.242 76.3 0.000 76.3 0.000
 DLBCL tFL 15.8 22.3   15.8   15.8  
 PMBCL 7.9 5.5   7.9   7.9  
 FL3B 0.0 1.2   0.0   0.0  
No. of lines of prior therapy, %§
 1 3.0 0.8 0.179 0.2 0.228 3.0 0.000
 2 27.7 25.0   25.9   27.7  
 ≥ 3 69.3 73.8   73.9   69.3  
 Missing 0.0 0.4   0.0   0.0  
Prior allo-HSCT, % 0.0 2.7 0.237 0.0 0.000 0.0 0.000
Prior auto-HSCT, % 24.8 33.2 0.186 31.4 0.148 24.8 0.000
Bridging therapy, %
 No 100.0 41.4 1.682 35.0 1.925 35.9 1.889
 Yes 0.0 58.6   65.0   64.1  
R/R to last therapy, %
 Relapsed 20.8 35.9 0.359 20.8 0.000 20.8 0.000
 Refractory 79.2 61.7   79.2   79.2  
 Missing 0.0 2.3   0.0   0.0  
CrCl before LDC, %#
 < 60 mL/min 0.0 19.1 0.688 13.4 0.557 0.0 0.000
 ≥ 60 mL/min 100.0 80.9   86.8   100.0  
LVEF at screening, %#
 < 50% 0.0 5.1 0.327 4.3 0.300 0.0 0.000
 ≥ 50% 100.0 94.9   95.7   100.0  
Pre-leukapheresis ALC (109/L), %#
 < 0.1 0.0 0.4 0.091 0.2 0.067 0.0 0.000
 ≥ 0.1 100.0 94.1   94.2   100.0  
 Missing 0.0 5.5   5.6   0.0  
Statistics, %
 Factors with SMD < 0.2 NA 44.4 NA 66.7 NA 94.4 NA
 Factors with SMD < 0.1 NA 11.1 NA 61.1 NA 94.4 NA
  1. ALC, absolute lymphocyte count; allo-HSCT, allogeneic hematopoietic stem cell transplantation; auto-HSCT, autologous hematopoietic stem cell transplantation; axi-cel, axicabtagene ciloleucel; CNS, central nervous system; CrCl, creatinine clearance; DLBCL, diffuse large B cell lymphoma; ECOG PS, Eastern Cooperative Oncology Group performance status; ESS, effective sample size; FL3B, follicular lymphoma grade 3B; HGBCL, high-grade B cell lymphoma; IPI, International Prognostic Index; LBCL, large B cell lymphoma; liso-cel, lisocabtagene maraleucel; LDC, lymphodepleting chemotherapy; LVEF, left ventricular ejection fraction; MAIC, matching-adjusted indirect comparison; mITT, modified intention to treat; N, sample size; NA, not applicable; NOS, not otherwise specified; OS, overall survival; PMBCL, primary mediastinal B cell lymphoma; R/R, relapsed or refractory; SA1, sensitivity analysis 1; SA2, sensitivity analysis 2; SD, standard deviation; SMD, standard mean difference; SPD, sum of the product of perpendicular diameters; Stat, statistic; tFL, transformed follicular lymphoma; tiNHL, transformed indolent non-Hodgkin lymphoma
  2. *Per ZUMA-1 categorization
  3. Per investigator assessment
  4. Includes DLBCL NOS, HGBCL, and tiNHL for TRANSCEND; includes DLBCL NOS and HGBCL for ZUMA-1
  5. §Per ZUMA-1, salvage chemotherapy and auto-HSCT were considered separate regimens
  6. Per ZUMA-1, refractory was defined as best response to last therapy of progressive disease or stable disease and relapsed defined as best response to last therapy of partial response or complete response
  7. #Per ZUMA-1 eligibility criteria, all patients enrolled in ZUMA-1 had CrCl ≥ 60 mL/min before LDC, LVEF ≥ 50% at screening, and pre-leukapheresis ALC ≥ 0.1 × 109/L