Table 2 Distribution of the studies and patients across the different subgroups and analyses.

From: Long-term response to autologous anti-CD19 chimeric antigen receptor T cells in relapsed or refractory B cell acute lymphoblastic leukemia: a systematic review and meta-analysis

Subgroup

Response rate analysis reports

Survival analysis reports

N (%)

Pt enrolled

N (%)

Pt infused

OS

EFS

N (%)

Pt

N (%)

Pt

Domain

29

 

32

 

23

 

21

 

 4-1BB

24 (83)

1309

27 (84)

1289

18 (78)

1035

17 (81)

946

 CD28

5 (17)

257

5 (16)

202

5 (22)

195

4 (19)

172

Age group

36

 

38

 

25

 

22

 

 Pediatric/young adult (≤ 25)

11 (31)

420

11 (30)

354

5 (20)

202

4 (18)

149

 Mixed (≤ 25 and/or >25)

25 (69)

1646

27 (71)

1554

20 (80)

1317

18 (82)

1223

Disease morphology

33

 

35

 

25

 

22

 

 Remission (BMB < 5%)

9 (27)

464

10 (29)

485

7 (28)

453

7 (32)

453

 Disease (BMB ≥ 5%)

24 (73)

1478

25 (71)

1303

18 (72)

1066

15 (68)

919

LD dose (Cy total dosea)

28

 

30

 

23

 

20

 

 High (≥1500 mg/m2)

11 (39)

602

11 (37)

494

10 (43)

444

8 (40)

323

 Low (<1500 mg/m2)

17 (61)

945

19 (63)

926

13 (57)

803

12 (60)

777

Report type

35

 

38

 

25

 

22

 

 Clinical trial

32 (91)

1556

35(92)

1437

22 (88)

1055

19 (86)

908

 RWD

3 (9)

488

3 (8)

471

3 (12)

464

3 (14)

464

  1. N number of studies, Pt Patients, OS overall survival, EFS Event-free survival, BMB bone marrow blast percentage, LD lymphodepletion, Cy cyclophosphamide, RWD Real world data.
  2. aDose calculated as mg/m2 or equivalent.