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Real-world treatment patterns and clinical outcomes among patients with diffuse large B-cell lymphoma in a US healthcare claims database #MMPMID41345384
Shadman M; Harper JS; Bokun A; Xu C; Lin P; Graf G; Lu X
Blood Cancer J 2025[Dec]; ? (?): ? PMID41345384show ga
Treatment options for diffuse large B-cell lymphoma (DLBCL) have expanded, but real-world data on treatment patterns and outcomes remain limited. This study examined real-world outcomes in DLBCL patients treated between 10/1/2015 and 6/30/2024. Patients were stratified by lines of therapy (LOT) and treatments (1L rituximab, cyclophosphamide, doxorubicin, vincristine, prednisone [R-CHOP]; 2L stem cell transplant [SCT]; and chimeric antigen receptor T-cell [CAR T] therapy (any LOT). Variables were reported descriptively. Time-to-event outcomes were assessed using the Kaplan-Meier method. LOT data from 9875 patients were included. R-CHOP-based regimens were the most common 1L treatment (61.7%-67.3% in 2016-2023; 49.4% in 2024). Conventional chemoimmunotherapy use decreased in 2L (81.6% in 2016 to 41.9% in 2024) and 3L (47.6% in 2016 to 22.1% in 2024), while novel therapies increased (43.0% in 2L and 55.9% in 3L in 2024). Median overall survival declined across LOT (1L: 58.1 months; 2L: 30.0 months), as did median time to next treatment (1L: 36.1 months; 2L: 10.6 months). Twelve-month treatment failure rates were 36.0% after 1L, 51.8% after 2L, and 42.2% after CAR T. Among CAR T recipients, 93 received one of 36 distinct subsequent regimens, indicating no standard of care. These findings highlight the unmet needs in DLBCL.
Blood+Cancer+J 2025 ; ? (?): ?
