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. 2017 Jun 1;34(7):1650–1661. doi: 10.1007/s12325-017-0564-1

Table 3.

Between-trial comparison of progression-free and overall survival for ibrutinib vs. obinutuzumab + chlorambucil (Bayesian approach)

Population HR
[95% CrI]
P(HR <1)
PFS by IRC assessment PFS by investigator assessment Overall survival
RESONATE-2 (ITT) 0.85 0.48 0.40
[0.44, 1.63] [0.22, 1.02] [0.10, 1.54]
0.69 0.97 0.91
RESONATE-2 (after exclusion)a 0.50 0.31 0.16
[0.22, 1.15] [0.12, 0.81] [0.02, 1.34]
0.95 0.99 0.95
RESONATE-2 (matched n = 13) 0.24 0.12 0.21
[0.04, 1.35] [0.02, 0.97] [0.00, 8.89]
0.95 0.98 0.79
RESONATE-2 (matched n = 12) 0.34 0.43 0.20
[0.11, 1.12] [0.16, 1.18] [0.01, 5.16]
0.96 0.95 0.83

CrI credible interval, HR hazard ratio, ITT intention to treat population, n number of variables matched, P(HR <1) probability that the HR is less than 1, i.e., ibrutinib is better than obinutuzumab + chlorambucil

aExcludes patients from RESONATE-2 with CIRS ≤6 and creatinine clearance ≥70 mL/min, patients with creatinine clearance <30 mL/min, and SLL patients