Patient-reported outcomes in ZUMA-7, a phase 3 study of axicabtagene ciloleucel in second-line large B-cell lymphoma

Abstract

Here we report the first comparative analysis of patient-reported outcomes (PROs) with chimeric antigen receptor T-cell therapy versus standard-of-care (SOC) therapy in second-line relapsed/refractory large B-cell lymphoma (R/R LBCL) from the pivotal randomized phase 3 ZUMA-7 (NCT03391466) study of axicabtagene ciloleucel (axi-cel) versus SOC. PRO instruments were administered at baseline, day 50, day 100, day 150, month 9, and every 3 months from randomization until 24 months or an event-free survival event. The quality of life (QoL) analysis set comprised patients with a baseline and ≥1 follow-up PRO completion. Prespecified hypotheses for QLQ-C30 Physical Functioning, Global Health Status/QoL, and EQ-5D-5L visual analogue scale (VAS) were tested using mixed-effect models with repeated measures. Clinically meaningful changes were defined as 10 points for QLQ-C30 and 7 for EQ-5D-5L VAS. Among 359 patients, 296 (165 axi-cel, 131 SOC) met inclusion criteria for QoL analysis. At day 100, statistically significant and clinically meaningful differences in mean change of scores from baseline were observed favoring axi-cel over SOC for QLQ-C30 Global Health Status/QoL (estimated difference 18.1 [95% CI, 12.3-23.9]), Physical Functioning (13.1 [95% CI, 8.0-18.2]), and EQ-5D-5L VAS (13.7 [95% CI, 8.5-18.8]; P<.0001 for all). At day 150, scores significantly favored axi-cel versus SOC for Global Health Status/QoL (9.8 [95% CI, 2.6-17.0]; P=.0124) and EQ-5D-5L VAS (11.3 [95% CI, 5.4-17.1]; P=.0004). Axi-cel showed clinically meaningful improvements in QoL over SOC. Superior clinical outcomes and favorable patient experience with axi-cel should help inform treatment choices in second-line R/R LBCL.