Table 1.

Clinical characteristics at diagnosis in75 FLT3-ITD-positive patients with AML

VariableMidostaurin-treated (n = 54)Control group (n = 21)P
Age, y   .94 
 Median (range) 52 (20-70) 52 (23-71) 
Sex, n (%)   .12 
 Male 30 (56) 7 (33) 
 Female 24 (44) 14 (67) 
AML history, n (%)   .35 
 De novo 49 (91) 21 (100) 
 sAML 3 (6) 0 (0) 
 tAML 2 (3) 0 (0) 
Cytogenetics, n (%)   .24 
 Normal karyotype 36 (67) 18 (86) 
 Other 14 (26) 3 (14) 
 Not available 4 (7) 0 (0) 
Leukocytes, ×109/L*   .75 
 Median (range) 45 (2-304) 35 (6-253) 
Blasts BM, %   .75 
 Median (range) 80 (30-100) 90 (31-95) 
Blasts PB, %   .42 
 Median (range) 58 (0-98) 68 (0-94) 
Induction cycles, n (%)   .05 
 1 40 (74) 10 (48) 
 2 14 (26) 11 (52) 
Consolidation, n (%)   .30 
 HDAC 32 (48) 19 (90) 
 Allogeneic HSCT in CR1 9 (17) 2 (10) 
 Not available§ 19 (35) 0 (0) 
Midostaurin maintenance   ND 
 Patients, n (%) 23 (43) 0 (0) 
 Cycles, median (range) 8 (1-12)  
Time from diagnosis to refractory disease/relapse   .29 
 No. of days, median (range) 252 (21-1451) 253 (121-1339) 
VariableMidostaurin-treated (n = 54)Control group (n = 21)P
Age, y   .94 
 Median (range) 52 (20-70) 52 (23-71) 
Sex, n (%)   .12 
 Male 30 (56) 7 (33) 
 Female 24 (44) 14 (67) 
AML history, n (%)   .35 
 De novo 49 (91) 21 (100) 
 sAML 3 (6) 0 (0) 
 tAML 2 (3) 0 (0) 
Cytogenetics, n (%)   .24 
 Normal karyotype 36 (67) 18 (86) 
 Other 14 (26) 3 (14) 
 Not available 4 (7) 0 (0) 
Leukocytes, ×109/L*   .75 
 Median (range) 45 (2-304) 35 (6-253) 
Blasts BM, %   .75 
 Median (range) 80 (30-100) 90 (31-95) 
Blasts PB, %   .42 
 Median (range) 58 (0-98) 68 (0-94) 
Induction cycles, n (%)   .05 
 1 40 (74) 10 (48) 
 2 14 (26) 11 (52) 
Consolidation, n (%)   .30 
 HDAC 32 (48) 19 (90) 
 Allogeneic HSCT in CR1 9 (17) 2 (10) 
 Not available§ 19 (35) 0 (0) 
Midostaurin maintenance   ND 
 Patients, n (%) 23 (43) 0 (0) 
 Cycles, median (range) 8 (1-12)  
Time from diagnosis to refractory disease/relapse   .29 
 No. of days, median (range) 252 (21-1451) 253 (121-1339) 

CR1, first complete remission; HDAC, high-dose cytarabine; HSCT, hematopoietic stem cell transplantation; sAML, secondary AML; tAML, therapy-related AML.

*

Not available in 5 patients.

Not available in 1 patient.

Not available in 6 patients.

§

Not available in patients with refractory disease.

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