Table 1

Baseline characteristics of the patients

Phase 1Phase 2
No. 30 
Median age, y (range) 59 (35-75) 62 (37-79) 
Sex (M/F) 5/4 20/10 
PMF/PPV/PET 7/2/0 16/8/6 
Median disease duration, mo (range) 65 (7-124) 27 (1-234) 
Lille score, no. (%) 7 (78) 21 (70) 
    0   
    1 2 (22) 9 (30) 
    2 0 (0) 0 (0) 
IWG-MRT, no. (%) 3 (33.3) 5 (16.7) 
    Low   
    Int-1 4 (44.4) 8 (26.7) 
    Int-2 2 (22.2) 9 (30) 
    High 8 (26.6) 
Median WBC × 109/L (range) 12.2 (2.7-37.5) 12.4 (4.1-50.3) 
Median Hb g/L (range) 126 (100-147) 114 (75-173) 
Median platelets × 109/L (range) 250 (111-609) 301 (99-1149) 
Lactate dehydrogenase (mean ± SD) 583.4 ± 169.8 977.4 ± 585.0 
JAK2V617F mutated, no. (%) 7 (78) 21 (70) 
JAK2V617F allele burden (mean ± SD) 55.4 ± 37.8 64.2 ± 20.8 
CD34+ cells, % (mean ± SD) 0.24 ± 0.18 1.15 ± 1.73 
CD34+ cells × 106/L (mean ± SD) 27.8 ± 34.4 96.8 ± 115.5 
Splenomegaly, cm from LCM (mean ± SD) 14 (4-17) 14 (2-25) 
Previous therapy (%) 8 (89) 25 (83) 
Transfusion dependent no. (%) 2 (22.2) 7 (23.3) 
Pruritus, no. (%) 4 (44.4) 20 (67) 
Constitutional symptoms no. (%) 6 (66.7) 26 (86.7) 
Phase 1Phase 2
No. 30 
Median age, y (range) 59 (35-75) 62 (37-79) 
Sex (M/F) 5/4 20/10 
PMF/PPV/PET 7/2/0 16/8/6 
Median disease duration, mo (range) 65 (7-124) 27 (1-234) 
Lille score, no. (%) 7 (78) 21 (70) 
    0   
    1 2 (22) 9 (30) 
    2 0 (0) 0 (0) 
IWG-MRT, no. (%) 3 (33.3) 5 (16.7) 
    Low   
    Int-1 4 (44.4) 8 (26.7) 
    Int-2 2 (22.2) 9 (30) 
    High 8 (26.6) 
Median WBC × 109/L (range) 12.2 (2.7-37.5) 12.4 (4.1-50.3) 
Median Hb g/L (range) 126 (100-147) 114 (75-173) 
Median platelets × 109/L (range) 250 (111-609) 301 (99-1149) 
Lactate dehydrogenase (mean ± SD) 583.4 ± 169.8 977.4 ± 585.0 
JAK2V617F mutated, no. (%) 7 (78) 21 (70) 
JAK2V617F allele burden (mean ± SD) 55.4 ± 37.8 64.2 ± 20.8 
CD34+ cells, % (mean ± SD) 0.24 ± 0.18 1.15 ± 1.73 
CD34+ cells × 106/L (mean ± SD) 27.8 ± 34.4 96.8 ± 115.5 
Splenomegaly, cm from LCM (mean ± SD) 14 (4-17) 14 (2-25) 
Previous therapy (%) 8 (89) 25 (83) 
Transfusion dependent no. (%) 2 (22.2) 7 (23.3) 
Pruritus, no. (%) 4 (44.4) 20 (67) 
Constitutional symptoms no. (%) 6 (66.7) 26 (86.7) 

Int indicates intermediate; IWG-MRT, International Working Group for Myelofibrosis Research and Treatment; PET, previous essential thrombocythemia; PMF, primary myelofibrosis; and PPV, previous polycythemia vera.

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