International journal of clinical oncology · 2026
Real-world effectiveness and safety of lisocabtagene maraleucel for relapsed/refractory large B cell lymphoma in Japan.
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Ochi Tetsuro, Makita Shinichi, Hiratsuka Anna, Nishiyama Risa, Ito Kimiteru, Maeshima Akiko Miyagi, Takeda Wataru, Iwaki Noriko, Fukuhara Suguru, Munakata Wataru, Izutsu Koji
Аннотация
BACKGROUND: Lisocabtagene maraleucel (liso-cel), an anti-CD19 CAR T cell therapy, has demonstrated efficacy in relapsed/refractory (R/R) large B cell lymphoma (LBCL). However, real-world data from commercial settings outside the United States remain limited.
METHODS: To evaluate the safety and effectiveness of commercial-use liso-cel in Japan, we conducted a single-center retrospective study of patients with R/R LBCL who received commercial-use liso-cel at our institution between November 2021 and November 2024.
RESULTS: 56 patients received liso-cel infusion. The median age was 66.5 years, and 55.4% had primary refractory disease. Liso-cel was administered as second-line therapy in 14 patients (25.0%) and as third-line or later therapy in 42 patients (75.0%). The best overall response rate was 80.4%, with a complete response rate of 78.6%. At a median follow-up of 12.3 months, 1 year progression-free survival (PFS) and overall survival rates were 69.5% and 86.4%, respectively. The 1 year PFS rates were 68.5% for diffuse large B cell lymphoma not otherwise specified, 100% for primary mediastinal large B cell lymphoma (PMBCL), and 30% for high-grade B cell lymphoma (HGBCL). Grade ≥ 3 cytokine release syndrome and immune effector cell-associated neurotoxicity syndrome were observed in one patient each. Multivariate analysis identified HGBCL subtype and higher pre-infusion metabolic tumor volume as independent adverse factors for PFS.
CONCLUSION: Commercial-use liso-cel demonstrated high response rates and favorable safety in Japanese patients with R/R LBCL. Patients with PMBCL had excellent outcomes, whereas those with HGBCL showed poorer prognosis, indicating a need for further therapeutic strategies.
METHODS: To evaluate the safety and effectiveness of commercial-use liso-cel in Japan, we conducted a single-center retrospective study of patients with R/R LBCL who received commercial-use liso-cel at our institution between November 2021 and November 2024.
RESULTS: 56 patients received liso-cel infusion. The median age was 66.5 years, and 55.4% had primary refractory disease. Liso-cel was administered as second-line therapy in 14 patients (25.0%) and as third-line or later therapy in 42 patients (75.0%). The best overall response rate was 80.4%, with a complete response rate of 78.6%. At a median follow-up of 12.3 months, 1 year progression-free survival (PFS) and overall survival rates were 69.5% and 86.4%, respectively. The 1 year PFS rates were 68.5% for diffuse large B cell lymphoma not otherwise specified, 100% for primary mediastinal large B cell lymphoma (PMBCL), and 30% for high-grade B cell lymphoma (HGBCL). Grade ≥ 3 cytokine release syndrome and immune effector cell-associated neurotoxicity syndrome were observed in one patient each. Multivariate analysis identified HGBCL subtype and higher pre-infusion metabolic tumor volume as independent adverse factors for PFS.
CONCLUSION: Commercial-use liso-cel demonstrated high response rates and favorable safety in Japanese patients with R/R LBCL. Patients with PMBCL had excellent outcomes, whereas those with HGBCL showed poorer prognosis, indicating a need for further therapeutic strategies.