Chimeric antigen receptor T-cell treatment patterns in relapsed or refractory large B-cell lymphoma
- PMID: 37578377
- DOI: 10.2217/fon-2023-0140
Chimeric antigen receptor T-cell treatment patterns in relapsed or refractory large B-cell lymphoma
Abstract
Aim: To investigate real-world chimeric antigen receptor (CAR) T-cell therapy treatment patterns. Patient & methods: Relapsed/refractory large B-cell lymphoma patients who received CAR T-cell therapy were identified. Patient characteristics, setting of CAR T-cell infusion, incidence of CAR T-cell therapy-associated adverse events and healthcare resource utilization were assessed. Results: Of 1175 patients, 83% were infused inpatient. Within three days postinfusion, inpatient-infused patients had a significantly higher risk of CAR T-associated adverse events (hazard ratio: 2.67; 95% CI: 2.09-3.42) compared with outpatient-infused patients. By day 30, 67% of outpatient-infused patients were hospitalized at least once. Conclusion: These findings suggest that physicians were able to select lower-risk patients for outpatient infusion, but postinfusion hospitalizations still occur.
Keywords: CAR T-cell therapy; large B-cell lymphoma; refractory; relapsed; retrospective analysis; treatment patterns.
Plain language summary
This study tracks outcomes in patients with relapsed/refractory large B-cell lymphoma who received chimeric antigen receptor (CAR) T-cell therapy between 2017 and 2020. The authors used the Anlitiks All-Payor Claims (AAPC) database, which includes insurance claims of patients covered through Medicare, Medicaid or commercial insurance plans. AAPC includes over 80% of insured patients in the USA healthcare system. The study describes where patients received CAR T-cell therapy (inpatient/outpatient), rates of adverse events potentially related to CAR T-cell treatment and how much healthcare the patients received. In the 3 days after receiving CAR T-cell therapy, rates of CAR T-associated adverse events were significantly higher in patients who received CAR T-cell therapy in the inpatient setting, compared with outpatients. The findings suggest that lower-risk patients may receive CAR T-cell therapy as outpatients, but that most outpatient-infused patients will still require inpatient care.
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