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Comparison of zuberitamab plus CHOP versus rituximab plus CHOP for the treatment of drug-naïve patients diagnosed with CD20-positive diffuse large B-cell lymphoma: a phase 3 trial

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机构: [1]Department of Medical Oncology, Sun Yat-sen University Cancer Center,Guangzhou, China [2]State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Provincial Clinical Research Center for Cancer,Guangzhou, China [3]Center of Excellence in Oncology, Guangzhou R&F Hospital, Guangzhou, China [4]Department of Lymphoma & Hematology, Hunan Cancer Hospital & The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha,China [5]Department of Hematology/Oncology and Pediatric Oncology, Guangxi Medical University Affiliated Cancer Hospital, Nanning, China [6]Department of Medical Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China [7]Department of Medical Oncology, Fudan University Shanghai Cancer Center,Shanghai, China [8]Deparment of Mammary and Lymphatic Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, China [9]Department of Medical Oncology, The Second Hospital of Dalian Medical University,Dalian, China [10]Department of Hematology, The Fourth Hospital of Hebei Medical University,Shijiazhuang, China [11]Department of Lymphoma, The Affiliated Cancer Hospital of Guizhou Medical University, Guiyang, China [12]Department of Lymphoma Medical Oncology, Zhejiang Cancer Hospital, Hangzhou,China [13]Department of Hematology, The First Hospital of Jilin University, Changchun, China [14]Department of Hematology, West China Hospital, Sichuan University, Chengdu,China [15]Department of Hematology, Shengjing Hospital of China Medical University,Shenyang, China [16]Department of Lymphoma, Guangdong Provincial People's Hospital, Guangdong Academy of Sciences, Guangzhou, China [17]Department of Lymphoma, Hubei Cancer Hospital, Tongji Medical College,Huazhong University of Science and Technology, Wuhan, China [18]Department of Lymphoma, Head and Neck Oncology, Fujian Cancer Hospital,Fuzhou, China [19]Department of Hematology, Jilin Cancer Hospital, Changchun, China [20]Department of Lymphoma, Tianjin Medical University Cancer Institute & Hospital,Tianjin, China [21]Department of Hematology and Oncology, Chongqing Cancer Hospital, Chongqing,China [22]Department of Hematology and Oncology, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Linhai, China [23]Department of Hematology, The First Affiliated Hospital of Xiamen University,Xiamen, China [24]Department of Lymphoma, Peking University Cancer Hospital & Institute, Beijing,China [25]Department of Lymphoma, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China [26]Department of Hematology, Hainan General Hospital, Haikou, China [27]Department of Hematology, Fujian Medical University Union Hospital, Fuzhou, China [28]Department of Hematology, Third Affiliated Hospital of Suzhou University, First People's Hospital of Changzhou, Changzhou, China [29]Department of Hematology, Anhui Provincial Hospital, The First Affiliated Hospital of University of Science and Technology of China, Hefei, China [30]Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China [31]Department of Hematology, The Affiliated Hospital of Guizhou Medical University, Guiyang, China [32]Department of Medical Oncology, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, China [33]Department of Hematology, Quanzhou First Hospital Affiliated to Fujian Medical University, Quanzhou, China [34]Department of Hematology, The First Affiliated Hospital of Shanxi Medical University, Taiyuan, China [35]Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics,National Research Center for Translational Medicine at Shanghai, Ruijin Hospital affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China [36]Department of Hematology, Nanfang Hospital, Southern Medical University,Guangzhou, China [37]Department of Hematology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China [38]Department of Hematology, The First Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China [39]Department of Oncology, Xiangya Hospital, Central South University, Changsha,China [40]Department of Hematology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China [41]Department of Hematology, Aerospace Central Hospital, Beijing, China [42]Department of Hematology, Peking University Third Hospital, Beijing, China [43]Department of Hematology, Beijing Friendship Hospital, Capital Medical University,Beijing, China [44]Department of Hematology, The Affiliated Hospital of Qingdao University, Qingdao,China
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In patients with untreated CD20-positive diffuse large B-cell lymphoma (DLBCL), a phase 3 trial was carried out to evaluate the efficacy and safety of zuberitamab plus CHOP (cyclophosphamide, doxorubicin, vincristine, and prednisone; Hi-CHOP) versus rituximab plus CHOP (R-CHOP) treatment regimens.In a 2:1 ratio, eligible patients were assigned randomly to receive treatment of six cycles of either 375 mg/m2 zuberitamab or rituximab together with conventional CHOP chemotherapy. The objective response rate (ORR) at C6D50 served as the primary endpoint, and a non-inferiority margin of 10% was established. The secondary endpoints included the complete response (CR) rate at C6D50, duration of response (DOR), progression-free survival (PFS) and event-free survival (EFS) judged by blinded-independent review committee (BIRC), overall survival (OS) and safety outcomes.Of the 487 randomized patients, 423 patients including 287 in the Hi-CHOP and 136 in the R-CHOP groups completed the C6D50 assessment. For the full analysis set (FAS) and per-protocol set (PPS), BIRC-assessed ORR at C6D50 for the Hi-CHOP and R-CHOP groups were 83.5% versus 81.4% and 95.3% versus 93.7%, respectively. The non-inferiority was confirmed as the lower limit of the two-sided 95% CI for the intergroup differences of -5.2% and -3.3%; both were >-10% in the FAS and PPS. The BIRC-assessed CR rate of Hi-CHOP was significantly higher in PPS (85.7% vs 77.3%, p=0.038), but comparable in FAS (75.2% vs 67.9%, p=0.092). After a median follow-up of 29.6 months, patients in the Hi-CHOP group had a slight advantage with regard to the DOR (HR 0.74, p=0.173), PFS (HR 0.67, p=0.057), EFS (HR 0.90, p=0.517) and OS (HR 0.60, p=0.059). Patients with the germinal-center B cell-like subtype who received Hi-CHOP exhibited statistically significant improvements in ORR (p=0.034) and CR rate (p=0.038) at C6D50, EFS (p=0.046) and OS (p=0.014). Treatment-emergent adverse event occurrence rates were comparable across groups (all p>0.05). Infusion-related responses occurred more often in the Hi-CHOP group (32.1% vs 19.9%, p=0.006), all of grade 1-3 severity.Zuberitamab (375 mg/m2) plus CHOP was non-inferior to R-CHOP regarding ORR but exhibited a higher CR rate and was well tolerated in CD20-positive, previously untreated Chinese patients with DLBCL.Chinese Clinical Trial Registry, ChiCTR2000040602, retrospectively registered.© Author(s) (or their employer(s)) 2024. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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大类 | 1 区 医学
小类 | 1 区 免疫学 2 区 肿瘤学
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大类 | 1 区 医学
小类 | 1 区 免疫学 2 区 肿瘤学
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Q1 IMMUNOLOGY Q1 ONCOLOGY

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第一作者机构: [1]Department of Medical Oncology, Sun Yat-sen University Cancer Center,Guangzhou, China [2]State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Provincial Clinical Research Center for Cancer,Guangzhou, China
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