Table 1 Study population characteristics.

From: Myeloid neoplasms after CD19-directed CAR T cells therapy in long-term B-cell lymphoma responders, a rising risk over time?

Total

N = 539

Patients

 Age – years, median (range)

63 (17–87)

 Sex – Male, n (%)

335 (62.1)

Treatment center, n (%)

 Lyon & St Etienne

327 (60.7)

 Lille

183 (34.0)

 Caen

29 (5.4)

Histology, n (%)

 DLBCL NOS

284 (52.7)

 GC

37 (6.9)

 ABC

38 (7.1)

  Not specified

209 (38.8)

 Transformed indolent B-cell lymphoma

98 (18.1)

 Mantle cell lymphoma

30 (5.6)

 Follicular/marginal zone lymphoma

66 (12.3)

 Primary mediastinal B-cell lymphoma

20 (3.7)

 Richter transformation

18 (3.3)

 Others

23 (4.3)

CAR T cell used, n (%)

 Axi-cel

319 (59.2)

 Brexu-cel

30 (5.6)

 Tisa-cel

144 (26.6)

 Liso-cel

43 (8.0)

 Other/experimental products

3 (0.6)

Data prior to lymphodepletion

 LDH (U/L) – median (IQR)

256 (206–328)

 MCV (fl) – median (IQR)

94 (89–98)

 Hemoglobin (g/dL) – median (IQR)

10.7 (9.25–12.1)

 ANC (G/L) – median (IQR)

2.10 (1.10–3.8)

 Platelet (G/L) – median (IQR)

120 (52.0–200)

 ALC (G/L) – median (IQR)

0.700 (0.47–1.05)

 CRP (mg/L) – median (IQR)

6.00 (2.00–23.0)

 Ferritin (μg/L) – median (IQR)

343 (155–827)

 CAR HEMATOTOX Score – median (IQR)

2 (2–3)

 Median prior lines of therapy (IQR)

2 (2–3)

 Prior autologous HCT, n (%)

95 (17.6)

 Prior allogenic HCT, n (%)

4 (0.7)

Toxicity, n (%)

 Any grade CRS n (%)

467 (86.6)

 Severe CRS n (%)

35 (6.5)

 Any grade ICANS n (%)

191 (35.4)

 Severe ICANS n (%)

48 (8.9)

  1. ABC Activated B-Cell, ALC Absolute Lymphocyte Count, ANC Absolute Neutrophil Count, axi-cel Axicabtagene Ciloleucel, brexu-cel Brexucabtagene Autoleucel, CAR T cell product (CD28 vs 41BB), CRP C-Reactive Protein, CRS Cytokine Release Syndrome, DLBCL Diffuse Large B-Cell Lymphoma, FL Follicular Lymphoma, GC Germinal Center, HCT Hematopoietic Cell Transplant, ICANS Immune Effector Cell-Associated Neurotoxicity Syndrome, liso-cel Lisocabtagene Maraleucel, MCL Mantle Cell Lymphoma, MCV Mean Corpuscular Volume, MZL Marginal Zone Lymphoma, NOS Not Otherwise Specified, PMBL Primary Mediastinal B-Cell Lymphoma, tDLBCL Transformed Diffuse Large B-Cell Lymphoma, tisa-cel Tisagenlecleucel, t-MN Therapy-Related Myeloid Neoplasm.