Table 1:
CD45RA-depleted haploHCT | Initial haploHCT | P value | Recent haploHCT | P value | |||
Number | 50 | 27 | 66 | ||||
Age, yr (median, range) | 8.1 (0.6–20.8) | 11.9 (2.7–22.1) | 0.269 | 12.7 (0.5–26.5) | 0.227 | ||
Gender | 0.81 | 1 | |||||
Female | 19 (38%) | 9 (33%) | 25 (38%) | ||||
Male | 31 (62%) | 18 (67%) | 41 (62%) | ||||
Race | 0.44 | 0.8 | |||||
Asian | 2 (4%) | 2 (7%) | 2 (3%) | ||||
Black | 10 (20%) | 7 (26%) | 18 (27%) | ||||
White | 37 (74%) | 16 (59%) | 44 (67%) | ||||
Other | 1 (2%) | 2 (7%) | 2 (3%) | ||||
Ethnicity | 0.45 | 0.43 | |||||
Hispanic | 18 (36%) | 7 (26%) | 19 (29%) | ||||
Non-Hispanic | 32 (64%) | 20 (74%) | 47 (71%) | ||||
Diagnosis | 0.044 | 0.048 | |||||
acute leukemia | 47 (94%) | 21 (78%) | 48 (73%) | ||||
lymphoma | 1 (2%) | 1 (4%) | 5 (8%) | ||||
MDS | 2 (4%) | 2 (7%) | 8 (12%) | ||||
JMML | 3 (4%) | ||||||
CML | 3 (11%) | 2 (3%) | |||||
Disease status | 0.15 | 0.53 | |||||
Standard | 36 (72%) | 24 (89%) | 51 (77%) | ||||
CR1 | 17 | 8 | 26 | ||||
CR2 | 14 | 10 | 9 | ||||
CR>2 | 3 | 3 | 8 | ||||
Other | 2 | 3 | 8 | ||||
Refractory | 14 (28%) | 3 (11%) | 15 (23%) | ||||
PIF | 8 | ||||||
Relapse 1 | 4 | 1 | 10 | ||||
Relapse ≥2 | 2 | 1 | 2 | ||||
RAEB | 1 | 3 | |||||
Prior Autologous HCT | 1 (2%) | 1 (3.7%) | 1.000 | 3 (4.5%) | 0.63 | ||
Donor | 0.76 | 0.580 | |||||
Father | 17 (34%) | 9 (33%) | 28 (42%) | ||||
Mother | 29 (58%) | 18 (67%) | 32 (48%) | ||||
Other related | 1 (2%) | 1 (2%) | |||||
Sibling | 3 (6%) | 5 (8%) | |||||
Unrelated | |||||||
HLA mismatch (#/10) | 1 | 1 | |||||
1 (2%) | 1 (4%) | 2 (3%) | |||||
49 (98%) | 26 (96%) | 64 (97%) | |||||
CD34+ cell dose (x106/kg) | 0.029 | 0.023 | |||||
Median (range) | 16.7(2.95–67.55) | 10.4(1.5–39.0) | 10.9(1.7–49.75) | ||||
CD3+ cell dose (x106/kg) | <0.001 | <0.001 | |||||
Median (range) | 75.85(16.1–528.6) | 0.05(0.004–0.15) | 0.05(0.01–0.25) |