Table 2 Patient specific clinical, laboratory, histological, and molecular profile of 13 KIT D816V positive advanced systemic mastocytosis patients

From: Inhibitory effects of midostaurin and avapritinib on myeloid progenitors derived from patients with KIT D816V positive advanced systemic mastocytosis

#

Age in years

Sex

Type of SM

AHN

A/T

M/E

Karyotype

MC infiltration in BM (%)

Serum tryptase (µg/L)

KIT D816V EAB in BM (%)

SRSF2

ASXL1

RUNX1

TET2

Other mutations

1

78

M

ASM

MDS/MPN-U

−/−

+/+

20

128

45

1

1

1

2

75

M

ASM

CMML

+/−

+/−

46,XY[25]

50

213

21

1

1

3

79

M

ASM

MDS/MPN-U

+/+

−/−

46,XY[25]

20

68

30

1

4

61

M

ASM

MPNeo

−/−

−/+

complex

20

131

44

1

1

1

5

76

M

MCL

MDS/MPN-U

+/+

−/−

46,XY[22]

60

739

50

1

IDH2

6

64

M

ASM

MDS/MPN-U

−/+

+/−

46,XY[25]

50

225

64

1

1

7

57

M

ASM

MDS/MPN-U

+/−

−/−

46,XY[20]

50

140

a

1

8

67

F

MCL

CMML

−/−

+/−

46,XX[23]

20

102

58

1

1

1

EZH2

9

76

M

ASM

CMML

+/+

+/−

46,XY,9qh+[25]

20

33

41

1

1

1

10

75

M

ASM

MDS/MPN-U

+/−

+/+

46,XY[25]

70

305

b

1

1

11

56

M

ASM

−/−

−/−

45,X,-Y[24]

35

194

45

12

67

M

ASM

MDS/MPN-U

+/+

+/−

46,XY[20]

20

214

42

1

1

1

1

MPL

13

48

F

ASM

−/−

−/−

46,XX[25]

20

40

22

  1. A/T anemia < 10.0 g/dL (+), > 10.0g/dL (−), platelets < 100 × 109/L (+), > 100 × 109/L (−), AHN associated hematologic neoplasm, ASM aggressive systemic mastocytosis, BM bone marrow, CMML chronic myelomonocytic leukemia, EAB expressed allele burden, F female, M male, MC mast cell, MCL mast cell leukemia, MDS myelodysplastic syndrome, M/E monocytosis > 1 × 109/L (+), < 1 × 109/L or unknown (−), eosinophilia > 1 × 109/L (+), < 1 × 109/L or unknown (−), MDS/MPN-U myelodysplastic/myeloproliferative neoplasm, unclassified, MPNeo myeloproliferative neoplasm with eosinophilia
  2. #Patient number
  3. aData not available, KIT D816V EAB in peripheral blood (PB) was 43%
  4. bData not available, KIT D816V EAB in PB was 33%