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Table 3 Comparison of clinical factors before and after MAIC of OS in TRANSCEND and JULIET

From: Matching-adjusted indirect treatment comparison of chimeric antigen receptor T-cell therapies for third-line or later treatment of relapsed or refractory large B-cell lymphoma: lisocabtagene maraleucel versus tisagenlecleucel

Clinical factor

JULIET (tisagenlecleucel) safety set/full analysis set [8]

TRANSCEND (liso-cel)

DLBCL efficacy set [6]

Before MAIC (naive)

After MAIC (primary)

After MAIC (sensitivity)

ESS, N

111

256

180

24.8

  

Unadjusted

SMD

Adjusted

SMD

Adjusted

SMD

Mean (SD) age, years

53.9 (12.9)

60.3 (13.3)

0.483

61.3 (11.8)

0.605

53.9 (13.1)

0.000

Male sex, %

61.3

66.0

0.098

66.5

0.108

61.3

0.000

IPI score, categorized per JULIET categorization, %

 0‒1

27.9

24.6

0.070

28.7

0.020

27.9

0.000

 2‒5

72.1

74.6

–

70.9

–

72.1

–

 Missing

0

0.8

–

0.3

–

0

–

ECOG PS score at screening, %

 0

55.0

40.6

0.331

55.0

0.000

55.0

0.000

 1

45.0

57.8

–

45.0

–

45.0

–

 2

0

1.6

–

0

–

0

–

Disease stage, %

 I or II

24.3

27.0

0.066

30.5

0.141

24.3

0.000

 III or IV

75.7

72.3

–

69.2

–

75.7

–

 Missing

0

0.8

–

0.3

–

0

–

Secondary CNS lymphoma at time of treatment, %

 No

100

97.7

0.219

100

0.000

100

0.000

 Yes

0

2.3

–

0

–

0

–

Disease histology, categorized per JULIET categorization, %

 DLBCL

81.1

71.1

0.397

81.1

0.000

81.1

0.000

 DLBCL tFL

18.9

22.3

–

18.9

–

18.9

–

 PMBCL

0

5.5

–

0

–

0

–

 FL3B

0

1.2

–

0

–

0

–

Cell of origin, %

 GCB

56.8

44.1

0.630

45.2

0.604

56.8

0.000

 ABC

40.5

28.1

–

33.2

–

40.5

–

 Unknown

2.7

21.1

–

21.6

–

2.7

–

 Missing

0

6.6

–

0

–

0.0

–

Double or triple hit, %

 Unknown

36.9

29.3

0.202

28.6

0.219

37.0

0.000

 No

45.9

55.9

–

56.6

–

45.9

–

 Yes

17.1

14.8

–

14.8

–

17.1

–

Prior allo-HSCT, %

 No

100

97.3

0.237

100

0.000

100

0.000

 Yes

0

2.7

–

0

–

0

–

Prior auto-HSCT, %

 No

51.4

66.8

0.317

51.4

0.000

51.4

0.000

 Yes

48.6

33.2

–

48.6

–

48.6

–

Bridging therapy, %

 No

8.1

41.4

0.837

47.4

0.977

52.4

1.101

 Yes

91.9

58.6

–

52.6

–

47.6

–

Number of prior lines of  therapy, per JULIET definition, %

 1

4.5

0.4

0.859

0.6

0.894

0

0.315

 2

44.1

19.5

–

16.9

–

48.7

–

 3

30.6

26.6

–

28.0

–

30.6

–

 4‒6

20.7

43.4

–

46.1

–

20.7

–

 ≥ 7

0

9.8

–

8.4

–

0

–

 Missing

0

0.4

–

0

–

0

–

R/R to last therapy, per JULIET definition, %

 Refractory

55.0

63.7

0.182

55.0

0.000

55.0

0.000

 Relapsed

45.0

35.9

–

45.0

–

45.0

–

 Missing

0

0.4

–

0

–

0

–

CrCl pre-lymphodepletion, per JULIET criteria, %

 < 60 mL/min

0

19.1

0.688

22.3

0.757

0

0.000

 ≥ 60 mL/min

100

80.9

–

77.7

–

100.0

–

LVEF at screening, per JULIET criteria, %

 < 45%

0

1.6

0.178

1.4

0.170

0

0.000

 ≥ 45%

100

98.4

–

98.6

–

100.0

–

ALC pre-leukapheresis, per JULIET criteria, %

 < 0.3

0

10.5

0.501

10.1

0.491

0

0.000

 ≥ 0.3

100

84.0

–

83.6

–

100.0

–

 Missing

0

5.5

–

6.3

–

0

–

Statistics, %

 Factors with SMD < 0.2,

–

29.4

–

58.8

–

88.2

–

 Factors with SMD < 0.1,

–

17.6

–

41.2

–

88.2

–

  1. ABC activated B cell, ALC absolute lymphocyte count, allo-HSCT allogeneic hematopoietic stem cell transplantation, auto-HSCT autologous hematopoietic stem cell transplantation, 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, GCB germinal center B cell, HSCT hematopoietic stem cell transplantation, IPI International Prognostic Index, liso-cel lisocabtagene maraleucel, LVEF left ventricular ejection fraction, MAIC matching-adjusted indirect comparison, OS overall survival, PMBCL primary mediastinal B-cell lymphoma, R/R relapsed or refractory, SD standard deviation, SMD standardized mean difference, tFL transformed follicular lymphoma