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CAR-T 治疗弥漫大 B 细胞淋巴瘤:II 期临床试验(Institut für Klinische)

英文原题:Double-T - Improving Outcomes in High-risk 2nd Line Relapsed/Refractory Large B-Cell Lymphoma Patients Eligible for CAR-T-cell Therapy With a Glofitamab-based Induction and Consolidation Concept

ClinicalTrials.gov 2026/04/21(首次登记) II 期注册临床试验 · 尚未开始招募

简要介绍

这是一项 II 期注册临床试验,评估细胞治疗用于弥漫大 B 细胞淋巴瘤的安全性、可行性及初步疗效。当前状态:尚未开始招募。计划入组 20 例。试验地点:欧洲 · 海德堡、杜塞尔多夫、埃森、明斯特(共 5 个中心)。登记号:NCT07542678。

入组条件决定能不能参加

不限性别 · ≥ 18 Years 且 ≤ 80 Years

纳入标准:

• 患者已提供书面知情同意。
• 签署知情同意时年龄18–80岁。
• 复发时由当地病理医师组织学确诊大B细胞淋巴瘤。
• 一线接受过含CD20抗体和蒽环类药物的R-CHOP方案。
• 符合复发/难治定义:复发指足量一线治疗后获得部分或完全缓解(PR/CR),并在12个月内复发;难治指一线治疗无应答,或一线治疗结束后<6个月即进展。
• 至少有1个FDG-PET阳性且双径可测量的淋巴结病灶(≥1.5 cm),或CT测量双径可测量的结外病灶(>1 cm)。
• ECOG体能状态0–2,ALC>200/μL。
• 研究者判断适合接受CAR-T治疗,并具备充分器官功能:估算肾小球滤过率(MDRD)≥60 mL/min;ALT/AST≤5×ULN,总胆红素≤2.0 mg/dL(Meulengracht病除外);ANC≥1,000/μL、血小板≥50,000/μL、血红蛋白>8.0 g/dL;LVEF≥45%;肺功能由研究者判断符合要求。
• 已成功完成商业化CAR-T产品所需的单个核细胞(MNC)白细胞单采。
• 愿意且能够提供基线活检材料(存档或新鲜肿瘤样本)供中心复核。
• 有生育能力女性受试者同意在整个研究期间及奥妥珠单抗给药后至少18个月、奥沙利铂末次给药后12个月、淋巴清除后6个月或格菲妥单抗末次给药后2个月内避孕(按其中较晚者)。有生育能力男性若其女性伴侣同意在研究期间及奥妥珠单抗给药后18个月、奥沙利铂末次给药后12个月、淋巴清除后6个月或格菲妥单抗末次给药后2个月内避孕(按较晚者),可入组。研究无特殊性别分布要求。

排除标准:

• HIV感染(任何阶段),筛选时抗HIV抗体确认阳性和/或PCR确认RNA阳性。
• 既往或同时患有其他恶性肿瘤;手术治愈的原位癌,或其他癌症治疗后至少3年无疾病证据者除外。
• 已知对格菲妥单抗、奥妥珠单抗、Yescarta和/或Breyanzi制剂中任何成分过敏;既往对嵌合/人源化抗体或融合蛋白发生严重过敏、过敏性休克或其他超敏反应;或对其他研究药物有禁忌(包括超敏反应)。
• 首次给予研究药物前14天内有需静脉治疗的严重活动性感染。
• 先天性或获得性免疫缺陷,包括既往器官移植或异基因干细胞移植。
• 既往接受格菲妥单抗或其他同时靶向CD20和CD3的双特异性抗体治疗。
• 既往淋巴瘤治疗线中接受吉西他滨和奥沙利铂。
• 首次给予研究药物前4周内接受重大手术。
• 入组时存在原发性或继发性中枢神经系统(CNS)淋巴瘤,或既往有CNS淋巴瘤史。
• 当前或既往有CNS疾病,如卒中、癫痫、CNS血管炎或神经退行性疾病。
• 显著或广泛心血管疾病,如NYHAⅢ/Ⅳ级心脏病、过去3个月内心肌梗死、不稳定性心律失常或不稳定型心绞痛。
• 活动性自身免疫病且需全身治疗。
• 正在使用泼尼松>20 mg/日或等效剂量的糖皮质激素。若低剂量糖皮质激素稳定使用(首次研究药物给药前至少7–14天泼尼松≤20 mg/日或等效剂量),或较高剂量短疗程已在首次研究药物给药前结束,可入组。
• 妊娠或哺乳,或计划治疗开始后18个月内妊娠。有生育能力女性须在开始研究治疗前3天内血清妊娠试验阴性。
• 与申办方或研究者存在依赖关系或雇佣关系。
• 缺乏责任能力,无法理解研究的性质、意义和后果。
• 依从性不足,包括可能妨碍遵守研究要求的饮酒增加、药物依赖或物质滥用;治疗期间拒绝血液制品;或其他使方案治疗/随访无法实施的类似情况。
核对登记原文(英文)
Inclusion Criteria:

1. Patient\* has given written informed consent.
2. Patient is 18-80 years of age at time of signing the written informed consent
3. Patient has histologically confirmed diagnosis of large B-cell lymphoma by local pathologist at time of relapse.
4. Patient received R-CHOP based first-line therapy containing a CD20-antibody and anthracyclines.
5. Patient has relapsed/refractory disease, defined as follows:

   * Relapsed: disease that had recurred following partial or complete response (PR/CR) within 12 months of adequate first-line therapy
   * Refractory: disease that did not respond to, or that progressed \<6 months after, completion of first-line therapy
6. Patient has at least one FDG-PET positive bi-dimensionally measurable (≥1.5 cm) nodal lesion, or one bi dimensionally measurable (\>1 cm extranodal lesion, as measured on computed tomography (CT) scan
7. Patient has Eastern Cooperative Oncology Group performance status (ECOG PS) of 0 - 2
8. Patient has an absolute lymphocyte count \> 200/µL
9. Patient is eligible for CAR-T cell therapy as per investigator´s discretion meeting all of the following criteria of adequate organ function:

   1. Adequate kidney function, defined as: Serum creatinine estimated glomerular filtration rate (MDRD) ≥ 60 mL/min.
   2. Adequate hepatic function, defined as: ALAT and ASAT ≤ 5 ULN. Bilirubin

      ≤ 2.0 mg/dl (except for Meulengracht disease)
   3. Adequate bone marrow function, defined as: Absolute neutrophil count (ANC) ≥ 1000/µL, Platelets ≥ 50.000/µL and Hemoglobin \> 8.0 g/dL.
   4. Adequate cardiac function, defined as: Cardiac ejection fraction ≥ 45%.
   5. Adequate pulmonary function as per investigators discretion
10. Patient successfully performed MNC-leucapheresis procedure for a commercially available CAR-T-cell product
11. Patient is willing and able to provide baseline biopsy material (archival or fresh tumor sample) for central review
12. Male patients with female partners of childbearing potential are eligible to participate if they agree to contraceptive methods throughout the duration of the trial and at least 18 months after obinutuzumab administration, 12 months after lost dose oxaliplatin, 6 months after lymphodepletion or 2 months after last dose glofitamab, whatever is last
13. Female participants of childbearing potential must agree to use a highly effective method of contraception (e.g., hormonal contraception, intrauterine device (IUD), or surgical sterilization) throughout the duration of the trial and at least 18 months after obinutuzumab administration, 15 months after lost dose oxaliplatin, 6 months after lymphodepletion or 2 months after last dose glofitamab, whatever is last. \* There are no data that indicate special gender distribution. Therefore, patients will be enrolled in the trial gender-independently

Exclusion Criteria:

1. Patient has HIV infection of any stage as determined by presence of anti-HIV antibodies (confirmatory test) and / or presence of RNA confirmed by PCR during screening
2. Patient has previous or concurrent malignancies with the following exceptions:

   1. Surgically cured carcinoma in-situ
   2. Other kinds of cancer without evidence of disease for at least 3 years
3. Patient has known hypersensitivity to any component of the Glofitamab, Obinutuzumab, Yescarta and/or Breyanzi formulation formulation as well as a known history of severe allergic, anaphylactic, or other hypersensitivity reactions to chimeric or humanized antibodies or fusion protein and/or any known contraindication (including hypersensitivity) to one of the other trial drugs
4. Patient has severe active infection requiring iv treatment within 14 days prior first dose of study drugs
5. Patient has congenital or acquired immunodeficiency including previous organ or allogeneic stem cell transplantation
6. Patient received prior treatment with glofitamab or other bispecific antibodies targeting both CD20 and CD3
7. Patient received prior treatment with gemcitabine and oxaliplatin in prior lymphoma treatment line
8. Patient had a major surgery within 4 weeks prior to first dose of study drugs
9. Patient has primary or secondary central nervous system (CNS) lymphoma at the time of enrollment or history of CNS lymphoma
10. Patient has current or history of CNS disease, such as stroke, epilepsy, CNS vasculitis, or neurodegenerative disease
11. Patient has significant or extensive cardiovascular disease such as New York Heart Association Class III or IV cardiac disease, myocardial infarction within the last 3 months, unstable arrhythmias, or unstable angina
12. Patient has an active autoimmune disease requiring systemic treatment
13. Patient receives ongoing corticosteroid use \>20 mg/day of prednisone or equivalent. Patients on stable low-dose corticosteroids (≤20 mg/day of prednisone or equivalent for at least 7-14 days prior to first IMP administration) or on short courses of higher-dose corticosteroids that are completed before first IMP administration are eligible.
14. Female patients who are pregnant or breast feeding or planning to become pregnant within up to 18 months after start of treatment. Female patients of childbearing potential must have a negative serum pregnancy test result within 3 days prior to initiation of trial treatment.
15. Patient has a relationship of dependence or employer-employee relationship to the sponsor or the investigator
16. Patient lacks accountability and inability to appreciate the nature, meaning and consequences of the trial
17. Patient is non-compliant, for reasons including, but not limited to the following:

    * Increased alcohol consumption, drug dependency or substance abuse that would interfere with cooperation with requirements of the trial
    * Refusal of blood products during treatment
    * Any similar circumstances that appear to make protocol treatment or follow-up impossible

以上为辅助阅读译文。是否适合入组须由主治医生判断,最终以登记平台与研究者确认为准。

研究终点衡量什么算有效

  • 主要终点治疗结束时完全缓解率(CRR@EOT)试验治疗结束时,平均约10个月
  • 次要终点诱导治疗结束时及CAR-T后3个月完全缓解率(CCR@pIT和CCR@3MpCT)
  • 次要终点总体完全缓解率(CRR)
  • 次要终点诱导后、CAR-T输注后3个月及治疗结束时的客观缓解率(ORR)
  • 次要终点总体客观缓解率(ORR)
  • 次要终点最佳总体缓解率(BOR)
  • 次要终点无进展生存期(PFS)
  • 次要终点总生存期(OS)
  • 次要终点CAR-T细胞扩增情况
核对登记原文(英文)

主要终点:CRR@EOT · Complete response rate (CRR) at end of treatment (CCR@EOT), defined as proportion of patients who achieved complete response (CR) at the end of trial treatment (EOT) as per Lugano classification · at the end of trial treatment, on average after 10 months
次要终点:CCR@pIT and CCR@3MpCT;Overall CRR;ORR post induction, at 3 months post-CAR-T cell infusion, and at EOT;Overall ORR;Best overall response (BOR) rate;PFS;OS;CAR-T cell expansion

研究设计怎么做的

研究类型
干预性研究
入组人数
20 人(预计)
分组方式
不适用(单臂)
  • Double-T治疗组试验组

    标准治疗CAR-T细胞治疗前给予格菲妥单抗联合吉西他滨/奥沙利铂(Glofi-Gem/Ox)诱导治疗,CAR-T治疗后以格菲妥单抗单药巩固。

核对分组登记原文(英文)
  • Double-T · EXPERIMENTAL · glofitamab with gemcitabine/oxaliplatin (Glofi-Gem/Ox) prior to and glofitamab monotherapy consolidation after standard of care CAR-T cell therapy

关键日期

开始日期
2026-04
主要完成日期
2028-04
全部完成日期
2030-04
登记状态核实于
2026-04

联系与责任方

申办方
Institut für Klinische Krebsforschung IKF GmbH at Krankenhaus Nordwest
合作方
Universitätsklinikum Düsseldorf, Germany、Roche Pharma AG
联系邮箱
birte.friedrichs@med.uni-duesseldorf.de

登记简述

Double-T是一项前瞻性、随机、开放标签、多中心Ⅱ期试验,研究双重T细胞治疗策略:标准嵌合抗原受体T细胞(CAR-T)治疗前使用格菲妥单抗联合吉西他滨/奥沙利铂(Glofi-Gem/Ox)诱导,CAR-T治疗后使用格菲妥单抗单药巩固,适用于高危二线复发/难治性大B细胞淋巴瘤患者。研究将收集并分析安全性、疗效和生活质量数据。

核对登记原文(英文)

The Double-T trial is a prospective, randomized, single-arm, open-label, multicenter phase II trial investigating a double T-cell therapy strategy, which includes glofitamab with gemcitabine/oxaliplatin (Glofi-Gem/Ox) prior to and glofitamab monotherapy consolidation after standard of care Chimeric Antigen Receptor (CAR)-T cell therapy in high-risk 2nd line relapsed/refractory Large B-Cell Lymphoma (r/r LBCL) patients. Data on safety, efficacy, and quality of life (QoL) will be collected and analyzed.

登记原文与核验信息

试验登记号
NCT07542678
试验期别
II 期
试验状态
尚未开始招募
试验中心
Universitätsklinikum Heidelberg - Innere Medizin V · 海德堡 · 德国 | Universitätsklinikum Düsseldorf - Klinik für Hämatologie, Onkologie und klinische Immunologie · 杜塞尔多夫 · 德国 | Universitätsklinikum Essen (AöR) - Westdeutsches Tumorzentrum Essen - Klinik für Hämatologie und Stammzellltransplantation · 埃森 · 德国 | Universitätsklinikum Münster - Medizinische Klinik A · 明斯特 · 德国 | Charité - Universitätsmedizin Berlin - Campus Benjamin Franklin · 柏林 · 德国
适应症(原文)
Relapsed /Refractory DLBCL
干预方式(原文)
Glofitamab, Gemcitabine, and Oxaliplatin as Induction Therapy; Glofitamab as Consolidation therapy