Table 1 Patient characteristics.

From: Donor selection for a second allogeneic stem cell transplantation in AML patients relapsing after a first transplant: a study of the Acute Leukemia Working Party of EBMT

 

Donor for the second SCT

 
 

Same donor (n = 163)

Different matched donor (n = 305)

Haplo-identical (n = 88)

P value

Age at SCT2 (years, range)

46 (20–73)

48 (20–69)

45 (20–71)

0.40

Gender (male)

52%

51%

41%

0.67

Secondary AML

16%

16%

15%

0.97

Cytogenetics

    

  Good

5%

3%

1%

0.009

  Intermediate

46%

39%

26%

 

  Poor

18%

15%

23%

 

  Missing

31%

43%

50%

 

Conditioning SCT1

    

  MAC

65%

66%

64%

0.90

  RIC

35%

34%

36%

 

Donor SCT1

    

  Sib

69%

45%

51%

<0.001

  UD

31%

55%

49%

 

    10/10

81%

78%

62%

 

  ≤9/10

19%

22%

38%

 

aGVHD after SCT1

22.8%

15.7%

20.9%

0.15

cGVHD after SCT1

26.2%

26.8%

23.9%

0.89

Time SCT1 → relapse (months, range)

10.6 (1-129.9)

12.5 (0.6-236.2)

9.3 (1.1-80.8)

0.14

Time <6 months

36%

28%

35%

0.13

Time relapse → SCT2

2.8 (0.5-11.5)

3.7 (0.5-11.5)

3.5 (0.7–9.7)

<0.001

Time SCT1 → SCT2

14.3 (1.7-134.8)

17.5 (1.9-244.5)

13.8 (3.1-88.2)

0.03

Donor SCT1/ SCT2

Sib/Sib (n = 112) UD/UD (n = 51)

Sib/d-Sib (n = 44) Sib/UD (n = 93) UD/d-UD (n = 168) New UD 10/10 77% ≤ 9/10 23%

Sib/haplo (n = 45) UD/haplo (n = 43)

 

Donor gender (male)

66%

64%

64%

0.84

F → M

19%

15%

14%

0.52

Patient CMV (pos)

66%

61%

72%

0.18

Donor CMV (pos)

58%

45%

59%

0.02

Disease status SCT2

    

  CR2

45%

45%

44%

0.96

  Active leukemia

56%

55%

56%

 

KPS at SCT2 < 90

53%

44%

27%

0.001

Conditioning SCT2

    

  MAC

45%

39%

40%

0.48

  RIC

55%

61%

60%

 

in vivo TCD

24%

68%

30%

<0.001

Year of SCT2

2011 (2006–2016)

2013 (2006–2016)

2014 (2006–2016)

<0.001

  1. SCT stem cell transplantation, SCT1 first SCT, SCT2 second SCT, MAC myeloablative conditioning, RIC reduced intensity conditioning, aGVHD acute GVHD grade II–IV, cGVHD chronic GVHD (all grades), Sib sibling donor, d-sib different sibling donor, UD unrelated donor, d-UD different unrelated donor, haplo haplo-identical donor, FM female donor to male recipient, pos positive, KPS Karnofsky performance score, in vivo TCD T cell depletion (mostly ATG, does not include post-transplant cyclophosphamide)