Review Article

Safety and Efficacy in Relapsed or Refractory Classic Hodgkin’s Lymphoma Treated with PD-1 Inhibitors: A Meta-Analysis of 9 Prospective Clinical Trials

Table 1

The characteristics of eligible studies.

StudyClinical trialDesignNo.Median age (y, range)Follow-up time (mo)Prior treatments (no.)DrugsORR/CR/PR/SD/PFS/OS (%)All-/≥3 AEs (%)

Herrera et al. [28]NCT02572167Nonrandomised, open-label, multicenter, single-arm, phase 1/26236 (18–69)7.8No BV + ASCT (62)Nivolumab + BV82/61/21/8/NA/NA98/31

Ansell et al. [29]NCT01592370 (Cohort 1)Dose escalation and expansion cohorts, phase 12335 (20–54)10Prior BV + ASCT (15);
Prior BV (3);
No BV + ASCT (5);
NivolumabAll-87/17/70/13/86(6-mo)/91(1-y)
Prior BV + ASCT-87/7/80/13/86/NA
Prior BV-100/NA/100/NA/NA/NA
No BV + ASCT-80/60/20/20/80/NA
96/52
Ansell et al. [30]NCT01592370 (Cohort 2)3135 (20–54)11.4Prior ASCT (31)Nivolumab + IPI74/19/55/10/NA/NANA/NA

Armand et al. [31]NCT02181738 (Cohort A)Multicentre, noncomparative, multicohort, single-arm, open-label, phase 26333 (18–65)
18No BV + ASCT (63)Nivolumab65/29/37/24/PFS:77(6-mo); 55(1-y)/OS:99(6-mo); 95(1-y)75/11
NCT02181738 (Cohort B)8037 (18–72)Prior BV + ASCT (80)68/13/55/21/77(6-mo)/OS:93(1-y)91/30
NCT02181738 (Cohort C)10032 (19–69)Prior BV + ASCT (100)73/12/61/15/PFS:77(6-mo)/OS:94(6-mo); 90(1-y)68/19

Diefenbach et al. [32]NCT01896999Multicohort, phase 1846 (25–53)NAPrior ASCT/BV (8)Nivolumab + BV100/62/23/NA/NA/NANA/NA

Armand et al. [33]NCT01953692Multicohort, open-label, single-arm, phase 1b3132 (20–67)17Prior BV + ASCT (31)Pembrolizumab65/16/48/23/69(1-y)/87(1-y)97/16

Chen et al. [34]NCT02453594 (Cohort 1)Multicenter, single-arm, phase 26934 (19–64)10.1Prior BV + ASCT (69)Pembrolizumab74/22/52/16/72(6-mo)/99.5(6-mo)29/NA
NCT02453594 (Cohort 2)8140 (20–76)Prior BV (81)64/25/40/12/72(6-mo)/99.5(6-mo)
NCT02453594 (Cohort 3)6032 (18–73)Prior ASCT (60)70/20/50/17/72(6-mo)/99.5(6-mo)

Maruyama et al. [35]JapicCTI-142755Nonrandomised, open-label, multicentre phase 21763 (29–83)9.8Prior BV (17)Nivolumaba: 81/25/56/6/60(6-mo)/100(6-mo)
b: 63/19/44/19/60(6-mo)/100(6-mo)
100/25

Shi et al. [36]NCT03114683Single-arm, open-label, multicenter, phase 29233 (28–43)10.5Prior ASCT/BV (92)Sintilimab80.4/34/47/17/77.6(6-mo)/NA93/18

Notes: a: centrally assessed; b: investigator assessed; BV: brentuximab vedotin; ASCT: autologous stem-cell transplantation; IPI: ipilimumab.