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Table 1 Patients’ characteristics

From: Phase I study evaluating the Fc-optimized FLT3 antibody FLYSYN in AML patients with measurable residual disease

Characteristic

Value (n = 31)

Median age—years (range)

59 (21–80)

ECOG score—n (%)

 

 0

22 (71)

 1

9 (29)

Gender—n (%)

 

 Female

20 (65)

 Male

11 (35)

AML type—n (%)

 

 De novo

31 (100)

 Secondary

0 (0)

Prior treatment—n (%)

 

 3 + 7

17 (55)

 3 + 7 + midostaurin

3 (10)

 A-ICE

6 (19)

 Other*

5 (16)

Mutations—n (%)

 

 FLT3-ITD

5 (15)

 FLT3-TKD

4 (13)

MRD Marker—n (%)

 

 NPM1

28 (90)

 IDH2

2 (6)

 RUNX1-RUNX1T1

1 (3)

 DTA mutationsa

0 (0)

MRD baseline values

 

 NPM1 MRD median (range) (qPCR)

936 (5—656,344)

 IDH2 MRD median (range) (NGS)

0.729 (0.2–1.258)

 RUNX1-RUNX1T1 MRD median (range) (NGS)

0.06 (n.a.)

  1. A-ICE all-trans retinoic acid, idarubicine, cytarabine, etoposide, AML acute myeloid leukemia, ECOG Eastern Cooperative Oncology Group, FLT3 fms like tyrosine kinase 3, MRD minimal residual disease, n number, n.a. not applicable, NGS next generation sequencing, qPCR quantitative polymerase chain reaction
  2. *Other prior treatments include treatment regimens with cytarabine, etoposide, all-trans retinoic acid, decitabine, gemtuzumab ozogamicin
  3. Induction therapy was followed by high dose cytarabine consolidation
  4. qPCR is assessed in mutated NPM1 copies/10,000 ABL1 copies
  5. NGS is assessed in % of mutated/variant allele frequency
  6. aDTA includes mutations in DNMT3A, TET2 and ASXL1