Genetic and clinical characteristics according to TP53 alteration
. | TP53unaltered . | TP53altered . | P . |
---|---|---|---|
Cytogenetics | n = 62 | n = 157 | |
≥ 5 aberrations | 38 (61%) | 139 (89%) | < .0001 |
Marker chromosomes | 29 (47%) | 114 (73%) | .0005 |
−5/5q− | 20 (32%) | 124 (79%) | < .0001 |
−7/7q− | 25 (40%) | 81 (52%) | .14 |
−5/5q− and −7/7q− | 12 (19%) | 70 (45%) | .0006 |
−20/20q− | 8 (13%) | 44 (28%) | .02 |
MK | 34 (55%) | 137 (87%) | < .0001 |
Array-based genomics | n = 70 | n = 164 | |
Total no. of losses (mean ± SD) | 4.00 ± 4.88 | 9.54 ± 7.49 | < .0001 |
Total no. of gains (mean ± SD) | 1.94 ± 1.92 | 3.91 ± 3.80 | < .0001 |
Total no. of amplifications (mean ± SD) | 0.21 ± 0.83 | 0.84 ± 1.31 | .0002 |
Total no. of genomic aberrations (mean ± SD) | 6.16 ± 5.53 | 14.30 ± 9.41 | < .0001 |
−3/3p− | 7 (10%) | 47 (29%) | .002 |
−5/5q− | 20 (29%) | 127 (77%) | < .0001 |
−7/7q− | 26 (37%) | 97 (59%) | .003 |
−5/5q− and −7/7q− | 13 (19%) | 87 (53%) | < .0001 |
−11/11q− | 13 (19%) | 22 (13%) | .32 |
−12/12p− | 13 (19%) | 52 (32%) | .06 |
−16/16q− | 5 (7%) | 61 (37%) | < .0001 |
−18/18q− | 9 (13%) | 56 (34%) | .0008 |
−20/20q− | 8 (11%) | 47 (29%) | .004 |
+1/+1p | 3 (4%) | 34 (21%) | .001 |
+8/+8q | 21 (30%) | 46 (28%) | .75 |
+9/+9p | 11 (16%) | 17 (10%) | .27 |
+11/+11q | 7 (10%) | 54 (33%) | .0002 |
+13/+13q | 3 (4%) | 26 (16%) | .02 |
+19/+19p | 3 (4%) | 22 (13%) | .04 |
+21/+21q | 7 (10%) | 32 (20%) | .09 |
+22/+22q | 6 (9%) | 27 (16%) | .15 |
amp(8)(q24) | 4 (6%) | 4 (2%) | .24 |
amp(11)(q13∼25) | 0 (0%) | 22 (13%) | .0004 |
amp(21)(q22) | 3 (4%) | 19 (12%) | .09 |
Molecular MK | 16 (23%) | 59 (36%) | .07 |
Molecular genetics | n = 50 | n = 99 | |
FLT3-ITD positive | 3 (6%) | 1 (1%) | .11 |
FLT3-TKD mutation | 3 (6%) | 1 (1%) | .11 |
NPM1 mutation | 3 (6%) | 0 (0%) | .04 |
Clinical data | n = 52 | n = 103 | |
Sex (male/female) | 26 (50%)/26 (50%) | 54 (52%)/49 (48%) | .87 |
Median age, y | 54 | 61 | .002 |
AML history | |||
De novo | 36 (69%) | 76 (74%) | .57 |
Secondary | 6 (12%) | 9 (9%) | .58 |
Therapy-related | 9 (17%) | 16 (16%) | .82 |
Median WBC, × 106/L | 12.9 | 6.5 | .18 |
Median platelet count, × 106/L | 48 | 41 | .46 |
Median hemoglobin, g/dL | 9.1 | 8.9 | .38 |
Median BM blast count, % | 78 | 65 | .04 |
Median PB blast count, % | 45 | 30 | .18 |
Median LDH serum level, U/L | 391 | 438 | .25 |
Response | n = 52 | n = 103 | |
CR after induction therapy | 26 (50%) | 29 (28%) | .01 |
RD after induction therapy | 18 (35%) | 53 (51%) | .06 |
Outcome | n = 52 | n = 103 | |
OS | |||
Median, mo | 10.97 | 4.14 | < .0001 |
3-y survival rate, % | 28 | 3 | |
EFS | |||
Median, mo | 1.94 | 1.12 | .0007 |
3-y survival rate, % | 13 | 1 | |
RFS | |||
Median, mo | 12.16 | 6.51 | .01 |
3-y survival rate, % | 30 | 7 |
. | TP53unaltered . | TP53altered . | P . |
---|---|---|---|
Cytogenetics | n = 62 | n = 157 | |
≥ 5 aberrations | 38 (61%) | 139 (89%) | < .0001 |
Marker chromosomes | 29 (47%) | 114 (73%) | .0005 |
−5/5q− | 20 (32%) | 124 (79%) | < .0001 |
−7/7q− | 25 (40%) | 81 (52%) | .14 |
−5/5q− and −7/7q− | 12 (19%) | 70 (45%) | .0006 |
−20/20q− | 8 (13%) | 44 (28%) | .02 |
MK | 34 (55%) | 137 (87%) | < .0001 |
Array-based genomics | n = 70 | n = 164 | |
Total no. of losses (mean ± SD) | 4.00 ± 4.88 | 9.54 ± 7.49 | < .0001 |
Total no. of gains (mean ± SD) | 1.94 ± 1.92 | 3.91 ± 3.80 | < .0001 |
Total no. of amplifications (mean ± SD) | 0.21 ± 0.83 | 0.84 ± 1.31 | .0002 |
Total no. of genomic aberrations (mean ± SD) | 6.16 ± 5.53 | 14.30 ± 9.41 | < .0001 |
−3/3p− | 7 (10%) | 47 (29%) | .002 |
−5/5q− | 20 (29%) | 127 (77%) | < .0001 |
−7/7q− | 26 (37%) | 97 (59%) | .003 |
−5/5q− and −7/7q− | 13 (19%) | 87 (53%) | < .0001 |
−11/11q− | 13 (19%) | 22 (13%) | .32 |
−12/12p− | 13 (19%) | 52 (32%) | .06 |
−16/16q− | 5 (7%) | 61 (37%) | < .0001 |
−18/18q− | 9 (13%) | 56 (34%) | .0008 |
−20/20q− | 8 (11%) | 47 (29%) | .004 |
+1/+1p | 3 (4%) | 34 (21%) | .001 |
+8/+8q | 21 (30%) | 46 (28%) | .75 |
+9/+9p | 11 (16%) | 17 (10%) | .27 |
+11/+11q | 7 (10%) | 54 (33%) | .0002 |
+13/+13q | 3 (4%) | 26 (16%) | .02 |
+19/+19p | 3 (4%) | 22 (13%) | .04 |
+21/+21q | 7 (10%) | 32 (20%) | .09 |
+22/+22q | 6 (9%) | 27 (16%) | .15 |
amp(8)(q24) | 4 (6%) | 4 (2%) | .24 |
amp(11)(q13∼25) | 0 (0%) | 22 (13%) | .0004 |
amp(21)(q22) | 3 (4%) | 19 (12%) | .09 |
Molecular MK | 16 (23%) | 59 (36%) | .07 |
Molecular genetics | n = 50 | n = 99 | |
FLT3-ITD positive | 3 (6%) | 1 (1%) | .11 |
FLT3-TKD mutation | 3 (6%) | 1 (1%) | .11 |
NPM1 mutation | 3 (6%) | 0 (0%) | .04 |
Clinical data | n = 52 | n = 103 | |
Sex (male/female) | 26 (50%)/26 (50%) | 54 (52%)/49 (48%) | .87 |
Median age, y | 54 | 61 | .002 |
AML history | |||
De novo | 36 (69%) | 76 (74%) | .57 |
Secondary | 6 (12%) | 9 (9%) | .58 |
Therapy-related | 9 (17%) | 16 (16%) | .82 |
Median WBC, × 106/L | 12.9 | 6.5 | .18 |
Median platelet count, × 106/L | 48 | 41 | .46 |
Median hemoglobin, g/dL | 9.1 | 8.9 | .38 |
Median BM blast count, % | 78 | 65 | .04 |
Median PB blast count, % | 45 | 30 | .18 |
Median LDH serum level, U/L | 391 | 438 | .25 |
Response | n = 52 | n = 103 | |
CR after induction therapy | 26 (50%) | 29 (28%) | .01 |
RD after induction therapy | 18 (35%) | 53 (51%) | .06 |
Outcome | n = 52 | n = 103 | |
OS | |||
Median, mo | 10.97 | 4.14 | < .0001 |
3-y survival rate, % | 28 | 3 | |
EFS | |||
Median, mo | 1.94 | 1.12 | .0007 |
3-y survival rate, % | 13 | 1 | |
RFS | |||
Median, mo | 12.16 | 6.51 | .01 |
3-y survival rate, % | 30 | 7 |
ITD indicates internal tandem duplication; and TKD, tyrosine kinase domain.