Research Article

Ibrutinib plus Obinutuzumab as Frontline Therapy for Chronic Lymphocytic Leukemia Is Associated with a Lower Rate of Infusion-Related Reactions and with Sustained Remissions after Ibrutinib Discontinuation: A Single-Arm, Open-Label, Phase 1b/2 Clinical Trial NCT0231576

Table 1

Descriptive characteristics of the study population, means ± SD, median [IQR], or N (%).

CharacteristicIbrutinib plus obinutuzumab

N32
Age (years)66 [59–73]
 65 years or older (%)17 (53)
Male18 (56)
Cumulative illness rating scale
 Total score9 [6–11]
 Greater than 6 (%)23 (72)
ECOG performance status
 016 (50)
 110 (31)
 26 (19)
Calculated creatinine clearance
 Below 60 mL/min9 (28)
Rai stage
 0–II18 (56)
 III-IV14 (44)
Lymph nodes
 Median SPD, cm2 (min-max)17 (7–361)
 Bulky disease ≥5 cm6 (19)
Cytogenetics
 Del13q19 (59)
 Trisomy 129 (28)
 Del11q6 (19)
 Del17p2 (6)
 Unmutated IgVH11/18 (61)
 High ZAP-70 expression10/28 (36)
Hematological parameters
 Hemoglobin, g/dL12 ± 2
 Platelets × 109/L147 ± 66
 Neutrophils × 109/L4 [3–5]
 Lymphocytes × 109/L59 [21–105]