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:Targeting CD5 CAR-T Cells in the Treatment of r/r CD5+ T-lymphoma
⚠ 该试验的登记信息已有 24 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 CAR-T 细胞治疗淋巴瘤的安全性、可行性及初步疗效。当前状态:招募中。计划入组 30 例。试验地点:中国 · 杭州(共 1 个中心,其中中国 1 个)。登记号:NCT06633341。
不限性别
纳入标准: 1. 根据2016年WHO淋巴瘤分类,组织学确诊CD5阳性T细胞非霍奇金淋巴瘤(T-NHL)。 复发/难治性T-NHL(符合以下任一情况): 1. 接受二线或以上化疗后未缓解或复发; 2. 原发耐药; 3. 自体造血干细胞移植后复发。 2. CD5表达率>90%。 3. 按Lugano 2014标准,至少有一个可评估肿瘤病灶。 4. 总胆红素≤51 μmol/L,ALT/AST≤正常值上限的3倍,肌酐≤176.8 μmol/L。 5. 超声心动图显示左心室射血分数(LVEF)≥50%。 6. 脉搏血氧饱和度≥92%。 7. 预期生存期至少12周。 8. ECOG评分0至2。 9. 妊娠/哺乳期女性,或有生育能力的男性或女性患者须同意在研究期间及末次细胞输注后至少6个月采取有效避孕措施。 10. 自愿参加本试验并提供知情同意。 排除标准: 1. 有癫痫或其他中枢神经系统疾病史。 2. 心电图显示QT间期延长,或既往有严重心脏病,如严重心律失常。 3. 存在活动性乙型、丙型或戊型肝炎病毒感染。 4. 存在尚未治愈的活动性感染。 5. 既往接受过任何基因治疗产品。 6. 输注前接受过抗肿瘤治疗者,符合以下任一项应排除: 1. 72小时内接受全身性糖皮质激素治疗(生理替代治疗除外,如泼尼松<10 mg/日或等效剂量); 2. 72小时内接受小分子靶向治疗; 3. 2周内接受全身化疗(预处理除外); 4. 4周内接受放疗。 7. 对CD3/CD28共刺激信号的应答性增殖倍数<5倍。 8. 研究者判断不适合参加本试验。 9. 研究者认为可能增加受试者风险或干扰试验结果的任何情况。
Inclusion Criteria: * 1\. According to the 2016 WHO classification of lymphocyte tumors, histologically confirmed CD5-positive T-cell non-Hodgkin lymphoma (T-NHL), R/R T-NHL(meets one of the following conditions) : 1. Subjects did not go into remission or relapse after receiving second-line or more chemotherapy regiments; 2. Primary drug resistance; 3. Relapse after autologous hematopoietic stem cell transplantation; * 2.CD5 expression rate was \>90%; * 3\. According to Lugano 2014, there should be at least one evaluable tumor lesion; * 4\. Total bilirubin ≤51 (mol/L), Alanine aminotransferase (ALT)/Aspartate aminotransferase (AST) ≤ 3 times the upper limit of the normal range, creatinine ≤176.8 (mol/L); * 5\. Echocardiography showed left ventricular ejection fraction (LVEF) ≥50%; * 6\. Refers to the pulse oxygen saturation 92% or higher oxygen (state); * 7\. Estimated life expectancy of minimum of 12 weeks; * 8\. ECOG 0-2; * 9\. Pregnant/lactating women, or male or female patients who have fertility and are willing to take effective contraceptive measures at least 6 months after the last cell infusion during the study period; * 10\. Those who voluntarily participated in this trial and provided informed consent; Exclusion Criteria: * 1\. History of epilepsy or other central nervous system disorders; * 2\. Electrocardiogram shows prolonged QT interval, severe heart diseases such as severe arrhythmia in the past; * 3\. Active infection of hepatitis B virus, C virus or hepatitis E virus; * 4\. Active infected persons who are not cured; * 5\. Before using any gene therapy products; * 6\. Received anti-tumor therapy before infusion, should meet the following any one should be ruled out: 1. treated with systemic corticosteroids therapy within 72 hours (except glucocorticoid physiological replacement therapy, such as prednisone \< 10 mg/d or an equivalent dose of the drug); 2. received within 72 hours of small molecule targeted therapy; 3. 2 weeks received systemic chemotherapy except (pretreatment); 4. four weeks received radiotherapy; * 7\. The proiferation rate is less than 5 times response to CD3/CD28 co-stimulation signal; * 8\. Any unsuitable to participate in this trial judged by the investigator; * 9\. Any situation that researchers believe may increase the risk to the subjects or interfere with the trial results.
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 days 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;Progression Free Survival, PFS;Overall survival, OS
按标准3+3设计进行剂量递增,共设置3个剂量水平。
本临床研究旨在评估靶向CD5的CAR-T细胞治疗复发/难治性CD5阳性T细胞淋巴瘤的安全性和有效性。
A Clinical Study on the Safety and Effectiveness of targeting CD5 CAR-T Cells in the treatment of r/r CD5+ T-lymphoma
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