Table 2.
Summary of results from the largest reported prospective studies of RIC HSCT in CLL
Fred Hutchinson Cancer Center | German CLL Study Group | MD Anderson Cancer Center | Dana Farber Cancer Intitute | |
---|---|---|---|---|
| ||||
Sorror et al. 200854 | Dreger et al. 201053,62 | Khouri et al. 201156 | Brown et al. 201357 | |
Number of patients | 82 | 90 | 86 | 76 |
Conditioning regimen | Flu/low-dose TBI | Flu/Cy ± ATG | Flu/Cy ± R | Flu/Bu |
Donors, % (sibling/MUR) | 63/37 | 41/59 | 50/50 | 37/63 |
Median follow-up, months | 60 | 72 | 37 | 61 |
Early mortality, % (<100d) | <10 | <3 | <3 | <3 |
NRM, % | 23 | 23 | 17 | 16 |
Acute grade 3-4 GvHD, % | 20 | 14 | 7 | 17 |
Severe chronic GvHD, % | 53 | 55 | 56 | 48 |
Median PFS, % | 39 (5yrs) | 38 (6yrs) | 36 (6yrs) | 43 (6yrs) |
Median OS, % | 50 (5yrs) | 58 (6yrs) | 51 (6yrs) | 63 (6yrs) |
Abbreviations: Flu – fludarabine; TBI – total body irradiation; Cy – cyclophosphamide; ATG - antithymocyte globulin; R – rituximab; Bu – busulfan; MUR – matched unrelated donor; NRM – non relapse mortality; GvHD – graft versus host disease; PFS – progression free survival; OS – overall survival.