Comparative efficacy of lisocabtagene maraleucel in the PILOT study <i>versus</i> second-line chemotherapy regimens in the real world

Abstract

This study assessed the comparative efficacy of lisocabtagene maraleucel (liso-cel) in PILOT (NCT03483103), an open-label, phase II study, versus conventional second-line (2L) chemotherapy regimens in the real world administered to patients with relapsed or refractory (R/R) large B-cell lymphoma (LBCL) who were not intended for hematopoietic stem cell transplantation (HSCT). The liso-cel–treated cohort (n=61) was based on patients who received liso-cel in the PILOT study. The conventional chemotherapy cohort included patients who met PILOT eligibility criteria and received conventional 2L chemotherapy in the real-world clinical setting (n=273). After using the trimmed stabilized inverse probability of treatment weighting method to balance cohorts according to baseline characteristics, there were statistically significant differences in all tested measures of efficacy. Compared with real-world conventional chemotherapy regimens, liso-cel demonstrated higher overall response rates (79.6% with liso-cel vs. 50.5% with conventional chemotherapy; relative risk [RR], 1.6; P