Patient characteristics and FLT3-ITD results
Patient number . | Age/sex . | Induction therapy . | ITD mutation by CE-PCR at diagnosis . | ITD mutation by MRD assay at diagnosis . | ITD mutation by MRD assay at remission . | Clinical outcome . | |||
---|---|---|---|---|---|---|---|---|---|
Length, bp . | VAF, % . | Length, bp . | VAF . | Length, bp . | VAF . | ||||
1 | 59/F | AcIVP16 | 51 | 5 | 51 | 7.7 | 51 | 0.0017 | Alive, disease free 5 y after diagnosis |
30 | 30 | 1.42 | 30 (ND) | 0 | |||||
2 | 56/F | AcIVP16 | 51 | 37 | 51 | 47.48 | 51 | 0.0027 | Alive, disease free 5 y after diagnosis |
3 | 64/M | AcIVP16 | 81 | 46 | 81 | 75.69 | 81 | 0.020 | Alive, disease free 3 y after diagnosis |
4 | 67/M | 7 + 3 + gilteritinib | 21 | 5 | 21 | 3.93, 0.16 | None detected | 0 | Alive, disease free 1 y after diagnosis |
60 | 0 | ||||||||
5 | 67/F | AcIVP16 | 18 | 9 | 18 | 11.09 | 18 | 0.0077 | Alive, disease free 4 y after diagnosis |
30 | 0.10 | 30 (ND) | 0 | ||||||
39 | 0.35 | 39 (ND) | 0 | ||||||
6 | 56/M | 7 + 3 + gilteritinib | 51 | 81 | 51 | 85.77 | 51 | 0.06 | Alive, disease free 2.5 y after diagnosis |
7 | 52/M | AcIVP16 | 27 | 5 | 24 | 0.57 | 24 | 0.2 | Relapsed with the 42-bp ITD, died of relapsed disease 2 y after diagnosis |
42 | <5 | 27 | 5.68 | 27 | 0.099 | ||||
93 | <5 | 42 | 0.75 | 42 | 0.1 | ||||
96 | <5 | 63 | 0.20 | 63 | 0.22 | ||||
93 | 7.02 | 93 (ND) | 0 | ||||||
96 | 11.45 | 96 | 0.013 | ||||||
8 | 31/F | 7 + 3 + midostaurin | 15 | 45 | 15 | 45.27 | 15 | 0.004 | Alive, disease free 2 y after diagnosis |
9 | 72/F | 7 + 3 + midostaurin | 33 | 5 | 33 | 6.48, 0.32 | 33 | 0.005 | Alive, disease free 2 y after diagnosis |
69 | 69 (ND) | 0 | |||||||
10 | 68/F | 7 + 3 | 24 | 37 | 24 | 39.53 | 24 | 0.018 | Alive, disease free 4 y after diagnosis |
11 | 57/F | AcIVP16 | 15 | 45 | 15 | 44.39 | 15 | 0.04 | Relapsed with the 15-bp ITD and died 1 y after diagnosis |
12 | 43/M | 7 + 3 + midostaurin | 60 | 30 | 60 | 38.36 | 60 | 0.008 | Alive, disease free 2 y after diagnosis |
13 | 67/F | 7 + 3 + gilteritinib | 27 | 10 | 27 | 25.52, 1.87 | 27 | 0.003 | On gilteritinib maintenance after transplant, relapsed with AML lacking ITD |
108 | 108 (ND) | 0 | |||||||
14 | 47/M | 7 + 3 + sorafenib | 72 | 4 | 72 | 30.97 | 72 | 0.005 | Died of GVHD 19 mo after diagnosis |
15 | 68/F | 7 + 3 | 45 | 31 | 45 | 46.7 | 45 | 2.17 | Alive, disease free 4 y after diagnosis |
16 | 60/M | 7 + 3 + gilteritinib | 24 | 36 | 24 | 37.63 | 24 | 0.004 | Alive, disease free 2 y after diagnosis |
17 | 44/F | AcIVP16 | 48 | 72 | 48 | 70.37 | 48 | 0.031 | Alive, disease free 5 y after diagnosis |
Patient number . | Age/sex . | Induction therapy . | ITD mutation by CE-PCR at diagnosis . | ITD mutation by MRD assay at diagnosis . | ITD mutation by MRD assay at remission . | Clinical outcome . | |||
---|---|---|---|---|---|---|---|---|---|
Length, bp . | VAF, % . | Length, bp . | VAF . | Length, bp . | VAF . | ||||
1 | 59/F | AcIVP16 | 51 | 5 | 51 | 7.7 | 51 | 0.0017 | Alive, disease free 5 y after diagnosis |
30 | 30 | 1.42 | 30 (ND) | 0 | |||||
2 | 56/F | AcIVP16 | 51 | 37 | 51 | 47.48 | 51 | 0.0027 | Alive, disease free 5 y after diagnosis |
3 | 64/M | AcIVP16 | 81 | 46 | 81 | 75.69 | 81 | 0.020 | Alive, disease free 3 y after diagnosis |
4 | 67/M | 7 + 3 + gilteritinib | 21 | 5 | 21 | 3.93, 0.16 | None detected | 0 | Alive, disease free 1 y after diagnosis |
60 | 0 | ||||||||
5 | 67/F | AcIVP16 | 18 | 9 | 18 | 11.09 | 18 | 0.0077 | Alive, disease free 4 y after diagnosis |
30 | 0.10 | 30 (ND) | 0 | ||||||
39 | 0.35 | 39 (ND) | 0 | ||||||
6 | 56/M | 7 + 3 + gilteritinib | 51 | 81 | 51 | 85.77 | 51 | 0.06 | Alive, disease free 2.5 y after diagnosis |
7 | 52/M | AcIVP16 | 27 | 5 | 24 | 0.57 | 24 | 0.2 | Relapsed with the 42-bp ITD, died of relapsed disease 2 y after diagnosis |
42 | <5 | 27 | 5.68 | 27 | 0.099 | ||||
93 | <5 | 42 | 0.75 | 42 | 0.1 | ||||
96 | <5 | 63 | 0.20 | 63 | 0.22 | ||||
93 | 7.02 | 93 (ND) | 0 | ||||||
96 | 11.45 | 96 | 0.013 | ||||||
8 | 31/F | 7 + 3 + midostaurin | 15 | 45 | 15 | 45.27 | 15 | 0.004 | Alive, disease free 2 y after diagnosis |
9 | 72/F | 7 + 3 + midostaurin | 33 | 5 | 33 | 6.48, 0.32 | 33 | 0.005 | Alive, disease free 2 y after diagnosis |
69 | 69 (ND) | 0 | |||||||
10 | 68/F | 7 + 3 | 24 | 37 | 24 | 39.53 | 24 | 0.018 | Alive, disease free 4 y after diagnosis |
11 | 57/F | AcIVP16 | 15 | 45 | 15 | 44.39 | 15 | 0.04 | Relapsed with the 15-bp ITD and died 1 y after diagnosis |
12 | 43/M | 7 + 3 + midostaurin | 60 | 30 | 60 | 38.36 | 60 | 0.008 | Alive, disease free 2 y after diagnosis |
13 | 67/F | 7 + 3 + gilteritinib | 27 | 10 | 27 | 25.52, 1.87 | 27 | 0.003 | On gilteritinib maintenance after transplant, relapsed with AML lacking ITD |
108 | 108 (ND) | 0 | |||||||
14 | 47/M | 7 + 3 + sorafenib | 72 | 4 | 72 | 30.97 | 72 | 0.005 | Died of GVHD 19 mo after diagnosis |
15 | 68/F | 7 + 3 | 45 | 31 | 45 | 46.7 | 45 | 2.17 | Alive, disease free 4 y after diagnosis |
16 | 60/M | 7 + 3 + gilteritinib | 24 | 36 | 24 | 37.63 | 24 | 0.004 | Alive, disease free 2 y after diagnosis |
17 | 44/F | AcIVP16 | 48 | 72 | 48 | 70.37 | 48 | 0.031 | Alive, disease free 5 y after diagnosis |
All 17 patients had normal/intermediate karyotype and NPM1 mutation at diagnosis. All 17 patients achieved complete remission after a single cycle of induction therapy, and all underwent allogeneic transplant in first remission. Chemotherapy regimens: AcIVP16 = Cytarabine 2000 mg/m2 continuous infusion days 1 to 3, idarubicin 8 mg/m2 per day on days 1 to 3, etoposide 400 mg/m2 per day on days 8 to 10; 7 + 3 = cytarabine 100 to 200 mg/m2 per day on days 1 to 7, idarubicin 12 mg/m2 per day on days 1 to 3.
GVHD, graft-versus-host disease; ND, not detectable; VAF, variant allele frequency.