决定异体 CAR T 细胞排斥与扩增的细胞和分子机制
Cellular and molecular mechanisms determining allogeneic CAR T cell rejection and expansion.
我们评估了11例接受单一批次cemacabtagene ansegedleucel(cema-cel)治疗的大B细胞淋巴瘤患者,cemacabtagene ansegedleucel是一种异体抗CD19 CAR T产品。
英文原题:CD19-BAFF CAR-T Cells Therapy for Patients With Relapsed / Refractory B-cell ALL and B-cell NHL
⚠ 该试验的登记信息已有 29 个月未更新, 页面上显示的「招募中」可能已经失效。联系研究中心之前,建议先到 ClinicalTrials.gov 核对登记原文的最新状态与联系方式。
这是一项早期 I 期注册临床试验,评估 CD19CAR-T 细胞治疗急性淋巴细胞白血病、非霍奇金淋巴瘤的安全性、可行性及初步疗效。当前状态:招募中。计划入组 20 例。试验地点:中国 · 杭州(共 1 个中心,其中中国 1 个)。登记号:NCT06346912。
不限性别 · ≥ 18 Years
纳入标准: 1. 性别不限,年龄>18岁。 2. 经组织学或免疫表型检查诊断为B细胞急性淋巴细胞白血病;或经细胞学或组织病理学检查明确诊断为B细胞非霍奇金淋巴瘤,主要包括弥漫性大B细胞淋巴瘤、滤泡性淋巴瘤和套细胞淋巴瘤。 3. 复发/难治性CD19阳性B-ALL,且符合以下任一情况: (1)标准化疗后未达到完全缓解(CR); (2)首次诱导治疗后达到CR,但CR持续时间<12个月; (3)首次或多次挽救治疗无效; (4)复发≥2次。 4. 骨髓中原始细胞(淋巴母细胞和前淋巴细胞)比例>5%(形态学检查)和/或>1%(流式细胞术)。 5. 费城染色体阴性(Ph−);或费城染色体阳性(Ph+)但不能耐受酪氨酸激酶抑制剂(TKI)治疗,或对2种TKI治疗无应答。 6. 复发/难治性B细胞非霍奇金淋巴瘤(B-NHL),且符合以下任一情况: (1)二线及以上化疗方案治疗后无应答或复发; (2)原发耐药; (3)自体造血干细胞移植(auto-HSCT)后复发。 7. 根据2014年Lugano标准至少有1个可评估肿瘤病灶。 8. 总胆红素≤51 μmol/L,ALT和AST≤正常值上限的3倍,肌酐≤176.8 μmol/L。 9. 超声心动图显示左心室射血分数(LVEF)≥50%。 10. 肺部无活动性感染,室内空气下血氧饱和度≥92%。 11. 预计生存期≥3个月。 12. ECOG体能状态评分0~2分。 13. 患者或其法定监护人自愿参加研究并签署知情同意书。 排除标准: 1. 有颅脑外伤、意识障碍、癫痫、脑血管缺血或脑出血性疾病史。 2. 心电图显示QT间期延长,或既往患有严重心脏病(如严重心律失常)。 3. 妊娠/哺乳期女性;或有生育能力的男性/女性患者不愿在研究期间及末次细胞输注后至少6个月内采取有效避孕措施。 4. HIV感染。 5. 乙型肝炎病毒或丙型肝炎病毒活动性感染。 6. 对CD3/CD28共刺激信号的增殖反应低于5倍。 7. 存在不适合参加本试验的其他未控制疾病。 8. 过去6个月内接受过CAR-T、CAR-NK或其他基因修饰细胞产品治疗。 9. 研究者认为可能增加患者风险或干扰研究结果的任何情况。
Inclusion Criteria: * 1\. Gender unlimited,18\< Age; * 2\. Patients diagnosed with B-cell acute lymphoblastic leukemia through histological or immunophenotyping tests; The clear diagnosis of B-cell non Hodgkin's lymphoma by cellular or histopathological examination mainly includes diffuse large B-cell lymphoma, follicular lymphoma, and mantle cell lymphoma * 3\. Relapsed or refractory CD19+ B-ALL (meeting one of the following conditions): 1. CR not achieved after standardized chemotherapy; 2. CR achieved following the first induction, but CR duration is less than 12 months; 3. Ineffectively after first or multiple remedial treatments; 4. 2 or more relapses; * 4\. The number of primordial cells (lymphoblast and prolymphocyte) in bone marrow is \>5% (by morphology), and/or \>1% (by flow cytometry); * 5\. Philadelphia-chromosome-negative (Ph-) patients; or Philadelphia-chromosome-positive (Ph+) patients who cannot tolerate TKI treatments or do not respond to 2 TKI treatments; * 6\. Relapsed or refractory B-NHL (meeting one of the following conditions): 1. No response or relapse after second-line or above chemotherapy regimens; 2. Primary drug resistance; 3. Relapse after auto-HSCT; * 7\. At least one assessable tumor lesion per Lugano 2014 criteria; * 8\. Total bilirubin ≤ 51 umol/L, ALT and AST ≤ 3 times of upper limit of normal, creatinine ≤ 176.8 umol/L; * 9\. Echocardiogram shows left ventricular ejection fraction (LVEF) ≥ 50%; * 10\. No active infection in the lungs, blood oxygen saturation in indoor air is ≥ 92%; * 11\. Estimated survival time ≥ 3 months; * 12\. ECOG performance status 0 to 2; * 13\. Patients or their legal guardians volunteer to participate in the study and sign the informed consent. Exclusion Criteria: * 1\. History of craniocerebral trauma, conscious disturbance, epilepsy, cerebrovascular ischemia, and cerebrovascular hemorrhagic diseases; * 2\. Electrocardiogram shows prolonged QT interval, severe heart diseases such as severe arrhythmia in the past; * 3\. Pregnant/lactating women, or male or female patients with fertility who are unwilling to take effective contraceptive measures during the study period or at least 6 months after the last cell infusion * 4\. Patients with HIV infection; * 5\. Active infection of hepatitis B virus or hepatitis C virus; * 6\. The proiferation rate is less than 5 times response to CD3/CD28 co-stimulation signal; * 7\. Other uncontrolled diseases that were not suitable for this trial; * 8\. Individuals who have received CAR-T therapy, CAR-NK therapy, or any other gene modified cell therapy product within 6 months; * 9\. Any situations that the investigator believes may increase the risk of patients or interfere with the results of study.
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。
主要终点:Dose-limiting toxicity (DLT) · Adverse events assessed according to NCI-CTCAE v5.0 criteria · Up to 28 years after Treatment;Incidence of treatment-emergent adverse events (TEAEs) · Incidence of treatment-emergent adverse events \[Safety and Tolerability\] · Up to 2 years after Treatment
次要终点:Overall response rate ,ORR;Duration of remission ,DOR;Event-free survival, EFS;Overall survival, OS
按照标准3+3剂量递增设计进行剂量递增,共设3个剂量水平。
本临床试验旨在评估CD19-BAFF CAR-T细胞治疗复发/难治性B细胞急性淋巴细胞白血病和B细胞非霍奇金淋巴瘤的安全性和疗效。
Clinical Trial for the safety and efficacy of CD19-BAFF CAR-T cells therapy for refractory/relapsed B-cell acute lymphoblastic leukemia and B-cell non-Hodgkin lymphoma.
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