Real-World Axi-Cel Data Show QOL Improvements in LBCL

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New real-world data were consistent with patient-reported outcomes (PROs) from clinical trials assessing axicabtagene ciloleucel (axi-cel; Yescarta) prior to approval for relapsed/refractory large B-cell lymphoma.¹

Updated data from an analysis were presented at the 64th American Society of Hematology (ASH) Annual Meeting, held December 10-12, 2022, in New Orleans, Louisiana, by Heather Jim, PhD, assistant professor, Moffitt Cancer Center.

Patients receiving axi-cel reported a temporary reduction in quality of life (QOL), followed by statistically significant improvements in overall QOL and symptoms within the first year of treatment for relapsed/refractory large B-cell lymphoma. These data were collected with use of the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire (EORTC QLQ-C30A) was used. Questionnaires were completed at baseline prior to conditioning therapy before axi-cel and at follow-up of 14, 30, 60, 90, 180, and 360 days postinfusion. EORTC data were available for patients at the following times: baseline (n = 53), day 14 (n = 37), day 30 (n = 41), day 60 (n = 39), day 90 (n = 39), day 180 (n = 29), and day 360 (n = 18).

Investigators reported that at 1 year post-infusion with axi-cel global health scores were improved among patients aged 50 to 70 years compared with general population norms. At baseline these scores were matched. Further, physical functioning, role functioning, and social functioning were initially reported below normal for patients with cancer and either returned to or improved from baseline by day 360.¹

Of note, emotional functioning was better than the general population at baseline but worsened from day 30 to day 180. Improvements, however, were observed over time, exceeding general population norms by day 360 postinfustion.

In terms of symptomatology, investigators reported that adverse effects including fatigue, insomnia, appetite loss, and constipation improved significantly from baseline to day 360. Improvements were also observed in pain and financial problems; however, at day 180 these effects were worsened.

“Real-world data suggest that axi-cel is associated with transient worsening of QOL and symptoms at day 14, with significant improvements thereafter in overall QOL and several functional and symptom domains in the year after treatment," Jim said during her presentation.¹ “Notably, by 1 year after treatment participants reported overall QOL comparable to the general population.”

“Limited data exist regarding PROs of [chimeric antigen receptor] CAR T-cell therapies with no published longitudinal studies to our knowledge of patients treated as standard of care,” added Jim, who is coleader of the Health Outcomes and Behavior Program at H. Lee Moffitt Cancer Center and Research Institute in Tampa, Florida. “The goal of current study was to report of real-world changes in QOL and symptoms in the first year after treatment with axi-cel.”

“Higher scores on the QOL subscales indicate better QOL and higher scores on the symptom items indicate greater symptomatology,” Jim explained. Clinically meaningful change was defined as a difference of 10 points and scores were compared with normative data from the general population and patients with advanced cancer.2

The analysis included 53 patients with a mean age of 63.23 years (SD, 12.76). Most patients were White (94%) and 20 were women. Eligible patients were English speaking adults who were scheduled to receive axi-cel as standard of care at Moffit Cancer Center for FDA-approved indications. Most patients had diffuse large B cell lymphoma (n = 36), transformed follicular lymphoma (n = 7), or follicular lymphoma (n = 7). Patients had no documented or observable psychiatric or neurological diagnoses that interfere with study participation and were able to provide informed consent.¹

“Participants were identified through clinical schedules and tumor boards in consultation with the treating oncologist they were recruited between March 2020 and June 2022,” Jim added.

As a point of comparison with previously published data from the phase 1/2 ZUMA-1 study (NCT02348216), investigators highlighted that 64% of patients would have been eligible for enrollment in the trial.³

Jim concluded by noting that data collected at later timepoints may have been influenced by subsequent treatments or other heath conditions for some patients.

References

1. Jim HASL, Hoogland AI, Logue JM, et al. Real-world patient-reported outcomes among recipients of axicabtagene ciloleucel for relapsed/refractory large B cell lymphoma. Blood. 2022;140 (suppl 1):5190-5191. doi:10.1182/blood-2022-162337
2. Quinten C, Coens C, Ghislain I, et al; PROBE; EORTC Clinical Groups. The effects of age on health-related quality of life in cancer populations: a pooled analysis of randomized controlled trials using the European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 involving 6024 cancer patients. Eur J Cancer. 2015;51(18):2808-2819. doi:10.1016/j.ejca.2015.08.027
3. Locke FL, Neelapu SS, Bartlett NL, et al. Phase 1 results of ZUMA-1: a multicenter study of KTE-C19 anti-CD19 CAR T cell therapy in refractory aggressive lymphoma. Mol Ther. 2017;25(1):285-295. doi:10.1016/j.ymthe.2016.10.020