Table 1.

Baseline patient characteristics of patients with sustained uMRD levels

CharacteristicClb-ObiVen-ObiAll other patients [ITT]
(N = 4)(N = 17)(N = 411)
Age (y)    
Median (range) 72.5 (67-85) 73 (54-83) 72 (41-89) 
≥75, n (%) 2 (50.0) 5 (29.4) 143 (34.8) 
Male sex, n (%) 3 (75.0) 10 (58.8) 276 (67.2) 
Binet stage, n (%)    
2 (50.0) 3 (17.6) 85 (20.7) 
0 (0.0) 8 (47.1) 148 (36.0) 
2 (50.0) 6 (35.3) 178 (43.3) 
B-symptoms present, n (%) 1 (25.0) 9 (52.9) 205 (49.9) 
Total CIRS score    
Median (range) 4 (1-12) 9 (4-16) 8 (0-28) 
>6, n (%) 2 (50.0) 16 (94.1) 345 (83.9) 
Serum β2-microglobulin (mg/L)    
Median (range) 4.8 (2.7-8.7) 3.6 (1.5-7.7) 4.1 (1.0-14.2) 
>3.5, n (%) 3 (75.0) 9 (52.9) 236/388 (60.8) 
Estimated creatinine clearance (mL/min)    
Median (range) 57.7 (34.0-69.2) 65.0 (35.6-152.6) 66.6 (25.1-295.6) 
<70, n (%) 4 (100.0) 10 (58.8) 234/407 (57.5) 
Cytogenetic subgroups as per hierarchy, n (%)    
Deletion in 17p 0 (0.0) 0 (0.0) 31/418 (7.4) 
Deletion in 11q 1 (25.0) 1 (5.9) 74/418 (17.7) 
Trisomy in 12 0 (0.0) 1 (5.9) 76/418 (18.2) 
No abnormalities 1 (25.0) 3 (17.6) 92/418 (22.0) 
Deletion in 13q alone 2 (50.0) 12 (70.6) 145/418 (34.7) 
IGHV mutational status, n (%)    
Mutated 2 (50.0) 15 (88.2) 142/387 (36.7) 
Unmutated 2 (50.0) 2 (11.8) 240/387 (62.0) 
Nonevaluable 0 (0.0) 0 (0.0) 5/387 (1.3) 
TP53 mutational status, n (%)    
Mutated 1 (25.0) 2 (11.8) 39/400 (9.8) 
Unmutated 3 (75.0) 15 (88.2) 361/400 (90.3) 
TP53 deleted and/or mutated, n (%) 1 (25.0) 2 (11.8) 46/396 (11.6) 
CLL-IPI risk group, n (%)    
Low 1 (25.0) 4 (23.5) 30/360 (8.3) 
Intermediate 1 (25.0) 4 (23.5) 90/360 (25.0) 
High 1 (25.0) 7 (41.2) 202/360 (56.1) 
Very high 1 (25.0) 2 (11.8) 38/360 (10.6) 
Complex karyotype group, n (%)    
NCKT 4 (100.0) 14/15 (93.3) 315/378 (83.3) 
CKT/HCKT 0 (0.0) 1/15 (6.7) 63/378 (16.7) 
CharacteristicClb-ObiVen-ObiAll other patients [ITT]
(N = 4)(N = 17)(N = 411)
Age (y)    
Median (range) 72.5 (67-85) 73 (54-83) 72 (41-89) 
≥75, n (%) 2 (50.0) 5 (29.4) 143 (34.8) 
Male sex, n (%) 3 (75.0) 10 (58.8) 276 (67.2) 
Binet stage, n (%)    
2 (50.0) 3 (17.6) 85 (20.7) 
0 (0.0) 8 (47.1) 148 (36.0) 
2 (50.0) 6 (35.3) 178 (43.3) 
B-symptoms present, n (%) 1 (25.0) 9 (52.9) 205 (49.9) 
Total CIRS score    
Median (range) 4 (1-12) 9 (4-16) 8 (0-28) 
>6, n (%) 2 (50.0) 16 (94.1) 345 (83.9) 
Serum β2-microglobulin (mg/L)    
Median (range) 4.8 (2.7-8.7) 3.6 (1.5-7.7) 4.1 (1.0-14.2) 
>3.5, n (%) 3 (75.0) 9 (52.9) 236/388 (60.8) 
Estimated creatinine clearance (mL/min)    
Median (range) 57.7 (34.0-69.2) 65.0 (35.6-152.6) 66.6 (25.1-295.6) 
<70, n (%) 4 (100.0) 10 (58.8) 234/407 (57.5) 
Cytogenetic subgroups as per hierarchy, n (%)    
Deletion in 17p 0 (0.0) 0 (0.0) 31/418 (7.4) 
Deletion in 11q 1 (25.0) 1 (5.9) 74/418 (17.7) 
Trisomy in 12 0 (0.0) 1 (5.9) 76/418 (18.2) 
No abnormalities 1 (25.0) 3 (17.6) 92/418 (22.0) 
Deletion in 13q alone 2 (50.0) 12 (70.6) 145/418 (34.7) 
IGHV mutational status, n (%)    
Mutated 2 (50.0) 15 (88.2) 142/387 (36.7) 
Unmutated 2 (50.0) 2 (11.8) 240/387 (62.0) 
Nonevaluable 0 (0.0) 0 (0.0) 5/387 (1.3) 
TP53 mutational status, n (%)    
Mutated 1 (25.0) 2 (11.8) 39/400 (9.8) 
Unmutated 3 (75.0) 15 (88.2) 361/400 (90.3) 
TP53 deleted and/or mutated, n (%) 1 (25.0) 2 (11.8) 46/396 (11.6) 
CLL-IPI risk group, n (%)    
Low 1 (25.0) 4 (23.5) 30/360 (8.3) 
Intermediate 1 (25.0) 4 (23.5) 90/360 (25.0) 
High 1 (25.0) 7 (41.2) 202/360 (56.1) 
Very high 1 (25.0) 2 (11.8) 38/360 (10.6) 
Complex karyotype group, n (%)    
NCKT 4 (100.0) 14/15 (93.3) 315/378 (83.3) 
CKT/HCKT 0 (0.0) 1/15 (6.7) 63/378 (16.7) 

CIRS, cumulative illness rating scale; CKT, complex karyotype; CLL-IPI, chronic lymphocytic leukemia international prognostic index; HCKT, highly complex karyotype; ITT, intention-to-treat; NCKT, noncomplex karyotype.

Statistically significant difference in all patients being uMRD at FU60 (pooled cohort of Ven-Obi and Clb-Obi) as compared to the remaining study population.

or Create an Account

Close Modal
Close Modal