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Key clinical point: Patients with relapsed or refractory large B-cell lymphoma (LBCL) who were recently exposed to preapheresis bendamustine showed negative treatment outcomes, hematologic toxicity, and severe infections after CD19-targeted chimeric antigen receptor (CAR) T-cell therapy.
Major finding: Patients recently exposed to bendamustine (<9 months) vs those naive to it before apheresis had a significantly lower overall response rate (40% vs 66%; P = .01) and shorter overall survival (adjusted hazard ratio [aHR] 2.11; P < .01) and progression-free survival (aHR 1.82; P < .01) after CAR T-cell infusion.
Study details: This retrospective multicenter study included 439 patients with relapsed or refractory LBCL who received CD19-targeted commercial CAR T-cell therapy after ≥2 prior treatment lines, of whom 80 patients had received bendamustine before apheresis.
Disclosures: This study was supported by the Carlos III Health Institute, Spain, and others. Some authors declared serving in consulting or advisory roles for or as members of speakers’ bureaus of or receiving honoraria, research funding, or travel or accommodation expenses from various sources.
Source: Iacoboni G et al. Recent bendamustine treatment before apheresis has a negative impact on outcomes in patients with large B-cell lymphoma receiving chimeric antigen receptor T-cell therapy. J Clin Oncol. 2023 (Oct 24). doi: 10.1200/JCO.23.01097
Key clinical point: Patients with relapsed or refractory large B-cell lymphoma (LBCL) who were recently exposed to preapheresis bendamustine showed negative treatment outcomes, hematologic toxicity, and severe infections after CD19-targeted chimeric antigen receptor (CAR) T-cell therapy.
Major finding: Patients recently exposed to bendamustine (<9 months) vs those naive to it before apheresis had a significantly lower overall response rate (40% vs 66%; P = .01) and shorter overall survival (adjusted hazard ratio [aHR] 2.11; P < .01) and progression-free survival (aHR 1.82; P < .01) after CAR T-cell infusion.
Study details: This retrospective multicenter study included 439 patients with relapsed or refractory LBCL who received CD19-targeted commercial CAR T-cell therapy after ≥2 prior treatment lines, of whom 80 patients had received bendamustine before apheresis.
Disclosures: This study was supported by the Carlos III Health Institute, Spain, and others. Some authors declared serving in consulting or advisory roles for or as members of speakers’ bureaus of or receiving honoraria, research funding, or travel or accommodation expenses from various sources.
Source: Iacoboni G et al. Recent bendamustine treatment before apheresis has a negative impact on outcomes in patients with large B-cell lymphoma receiving chimeric antigen receptor T-cell therapy. J Clin Oncol. 2023 (Oct 24). doi: 10.1200/JCO.23.01097
Key clinical point: Patients with relapsed or refractory large B-cell lymphoma (LBCL) who were recently exposed to preapheresis bendamustine showed negative treatment outcomes, hematologic toxicity, and severe infections after CD19-targeted chimeric antigen receptor (CAR) T-cell therapy.
Major finding: Patients recently exposed to bendamustine (<9 months) vs those naive to it before apheresis had a significantly lower overall response rate (40% vs 66%; P = .01) and shorter overall survival (adjusted hazard ratio [aHR] 2.11; P < .01) and progression-free survival (aHR 1.82; P < .01) after CAR T-cell infusion.
Study details: This retrospective multicenter study included 439 patients with relapsed or refractory LBCL who received CD19-targeted commercial CAR T-cell therapy after ≥2 prior treatment lines, of whom 80 patients had received bendamustine before apheresis.
Disclosures: This study was supported by the Carlos III Health Institute, Spain, and others. Some authors declared serving in consulting or advisory roles for or as members of speakers’ bureaus of or receiving honoraria, research funding, or travel or accommodation expenses from various sources.
Source: Iacoboni G et al. Recent bendamustine treatment before apheresis has a negative impact on outcomes in patients with large B-cell lymphoma receiving chimeric antigen receptor T-cell therapy. J Clin Oncol. 2023 (Oct 24). doi: 10.1200/JCO.23.01097