Table 1 Reports and patients characteristics.

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

Report characteristics

Report type, n (%)

Phase I

16 (42)

Phase I/II

12 (31)

Phase II

6 (16)

Retrospective

1 (3)

Real world

3 (8)

Report location, n (%)

Asia

15 (39)

Europe

4 (11)

North America

14 (37)

Other

5 (13)

Number of centers, median (range)

1 (1–73)

Survival curves, n (%)

Yes

25 (67)

No

13 (33)

CRS Scale used, n (%)

ASTCT

5 (13)

Lee

18 (47)

MSKCC

2 (5)

Penn

7 (19)

Unreported

6 (16)

CAR design

Vector type, n %

Lentivirus

26 (68)

Retrovirus

7 (18)

Other

1 (3)

Unreported

4 (11)

Costimulatory domain, n %

4-1BB

27 (71)

CD28

5 (13)

CD28/4-1BB

4 (11)

Unreported

2 (5)

CAR Hinge, n %

CD28

5 (13)

CD8

18 (47)

IgG4

2 (5)

Unreported

13 (34)

CAR scFV Clone, n %

A3B1

1 (3)

CAT13.1E10

2 (5)

FMC63

21 (55)

HI19α

1 (3)

Unreported

13 (34)

Patient characteristics

Patients Enrolled, n

2134

Patients Infused, n

1908

Age, range

0.4–76

Median number of therapies, range

2–9

Previous HST, % (95% CI)

29 (23–37)

Median blast percentage, range

0.25–74

  1. ASTCT The American Society for Transplantation and Cellular Therapy, CRS Cytokine Release syndrome, CAR Chimeric Antigen Receptor, HST Hematopoietic stem cell transplantation, MSKCC Memorial Sloan Kettering Cancer Center, scFv: single chain variable fraction.