Table 2 Achievement of CR after treatment of bone marrow disease at reporting TACL institutions (n = 267 unique patients with 458 salvage attempts)

From: Outcome of children with multiply relapsed B-cell acute lymphoblastic leukemia: a therapeutic advances in childhood leukemia & lymphoma study

 

First salvage attempt

Second salvage attempt

Third salvage attempt

Fourth through eighth salvage attempt

Duration of previous CR

Total

CR

%

Total

CR

%

Total

CR

%

Total

CR

%

CR not achieved

25

13

52

43

17

40

35

11

31

30

9

30

CR < 18 months duration

45

25

55

52

22

42

17

6

35

5

2

40

CR 18–36 months duration

40

32

80

26

18

69

2

1

50

3

1

33

CR > 36 months duration

37

30

81

16

15

94

2

2

100

Prior CR not evaluable

21

16

76

28

12

43

17

7

41

14

4

29

All patients combined

168

116

69

165

84

51

73

27

37

52

16

31

  1. CR complete remission