Table 1.
Sex (%) | Male/Female | 109/71 (61/39) |
Median age (range) | [Years] | 37 (16–76) |
Phenotype (%) | B-ALL Ph neg | 86 (48) |
B-ALL Ph pos | 50 (28) | |
T-ALL | 44 (24) | |
Remission state at allo-SCT (%) |
CR1 MRD neg PCRa/FACSb CR1 MRD posa+b Primary refractory |
39/30 (22/16) 33 (18) 14 (8) |
CR2 MRD neg PCRa/FACSb CR2 MRD posa+b Relapsed refractory |
4/14 (2/8) 5 (3) 41 (23) |
|
Donor (%) |
Related HLA-identical/nonidentical Unrelated HLA-identical/nonidentical |
54/5 (30/3) 86/35 (48/19) |
Stem cell source (%) | PB/BM | 153/27 (85/15) |
TBI-based conditioning (%) | Yes/no | 119/61 (66/34) |
GvHD prophylaxis (%) |
CyA + ATG + Alemtuzumab |
178 (99) 80 (44) 47 (26) |
Alive/dead (%) | 63/117 (35/65) | |
Primary cause of death (%) | PD | 62 (34) |
NRM | 55 (31) | |
Death within 100 days after allo-SCT (%) | 29 (16) | |
GvHD (%) | Acute ≤ I°/≥ II° | 124/56 (69/31) |
Chronic no or mild/moderate or severe | 131/49 (73/27) |
ALL acute lymphoblastic leukemia, Ph Philadelphia chromosome, pos positive, neg negative, allo-SCT allogeneic stem cell transplantation, CR complete remission, CR1 after first induction therapy, CR2 after salvage therapy in case of relapse, MRD minimal residual disease, HLA human leukocyte antigen, PB peripheral blood, BM bone marrow, TBI total body irradiation, GvHD graft-versus-host disease, CyA cyclosporin A, ATG Anti-thymocyte Globulin, PD progressive disease, NRM non-relapse-related mortality.
aAnalysis of Ig-/TR-gene rearrangements via RQ-PCR in 85/180 patients = 47%.
bAnalysis via surface marker analysis by flow cytometry in 95/180 patients = 53%.