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:BAFFR-targeting CAR T Cells for Patients With Relapsed or Refractory B-NHL
BAFFR-targeting CAR T Cells for Patients With Relapsed or Refractory B-NHL
分数与星级只用于站内排序 —— 不代表疗效、安全性或个人适用性。
这是一项 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 36 例。试验地点:美国 · 杜阿尔特、斯坦福、堪萨斯城、明尼阿波利斯(共 6 个中心)。登记号:NCT05370430。
不限性别 · ≥ 18 Years
纳入标准: 1. 知情同意:受试者或其法定授权代表已签署知情同意书。 2. 年龄及体能状态: * 年龄≥18岁; * ECOG体能状态评分≤2分。 3. 诊断及疾病条件: * 组织学确诊B-NHL,包括符合既往治疗条件的侵袭性大B细胞淋巴瘤(LBCL)、套细胞淋巴瘤(MCL)及滤泡性淋巴瘤(FL)/边缘区淋巴瘤(MZL)亚型; * 淋巴瘤细胞须表达BAFF-R。 4. 可测量疾病:CT/PET显示肿瘤≥1.5 cm,或血液、骨髓、胃肠道、皮肤或脾脏存在疾病证据。 5. 既往CAR-T 细胞治疗:允许既往接受过CAR-T 治疗,但距末次治疗须≥3个月,且白细胞单采前CD19 CAR-T 持续比例<5%。 6. 器官功能及实验室指标: * 血液学:中性粒细胞绝对计数(ANC)≥1000/μL,血小板≥75,000/μL;骨髓受累者可例外; * 肝功能:胆红素≤1.5倍ULN(Gilbert综合征除外),AST/ALT<3倍ULN; * 肾功能:肌酐清除率(CrCl)≥50 mL/min; * 心肺功能:左心室射血分数(LVEF)≥45%,QTcF≤480 ms,室内空气下氧饱和度>91%。 7. 感染筛查:HIV、活动性HBV及活动性HCV血清学阴性;如检测阳性,须病毒载量不可检出。 8. 生殖相关要求: * 有生育能力的女性妊娠检测阴性; * 受试者须同意在治疗期间及治疗结束后3个月内采取有效避孕措施或禁欲。 排除标准: 1. 既往治疗及移植: * 既往接受过异基因干细胞移植(SCT); * 白细胞单采前<6个月接受过自体SCT; * 同时使用全身性类固醇或长期使用免疫抑制剂。 2. 疾病相关排除: * 淋巴瘤累及心脏; * 因肿瘤相关并发症(如肠梗阻)需要紧急治疗。 3. 合并疾病: * 需要免疫抑制剂治疗的活动性自身免疫性疾病; * 原发性免疫缺陷; * 心脏疾病,包括NYHA III/IV级心脏病、心律失常、近6个月内心肌梗死、卒中或具有临床意义的静脉血栓栓塞(VTE); * 神经系统疾病,包括既往视神经炎、中枢神经系统炎症性疾病或癫痫; * 恶性肿瘤史,但已切除/接受根治性治疗或缓解≥3年者除外; * 未控制的全身感染或活动性中枢神经系统淋巴瘤。 4. 妊娠及哺乳:妊娠期或哺乳期女性。 5. 其他: * 研究者判断存在安全性方面的顾虑; * 可能无法遵守研究程序。
Inclusion Criteria: 1. Informed Consent: Signed informed consent by the participant or legally authorized representative. 2. Age \& Performance Status: * Age ≥ 18 years * ECOG performance status ≤ 2 3. Diagnosis \& Disease Criteria: * Histologically confirmed B-NHL, including LBCL, MCL, and FL/MZL subtypes meeting specified prior treatment conditions. * BAFF-R expression on lymphoma cells required. 4. Measurable Disease: Tumor ≥1.5 cm on CT/PET scan or evidence of disease in blood, BM, GI, skin, or spleen. 5. Prior CAR T-cell Therapy: Allowed if ≥ 3 months since last treatment and CD19 CAR-T persistence \< 5% before leukapheresis. 6. Organ Function \& Laboratory Criteria: * Hematologic: ANC ≥ 1000/μL, Platelets ≥ 75,000/μL (exceptions for BM involvement). * Liver Function: Bilirubin ≤ 1.5x ULN (except Gilbert's), AST/ALT \< 3x ULN. * Renal Function: CrCl ≥ 50 mL/min. * Cardiac \& Pulmonary: LVEF ≥ 45%, QTcF ≤ 480 ms, O₂ saturation \> 91% on room air. 7. Infectious Disease Screening: Seronegative for HIV, active HBV, active HCV (or undetectable viral load if positive). 8. Reproductive Considerations: * Negative pregnancy test for females of childbearing potential. * Use of effective contraception or abstinence through 3 months post-treatment. Exclusion Criteria: 1. Prior Therapies \& Transplants: * Prior allogeneic SCT. * Autologous SCT \< 6 months before leukapheresis. * Concurrent systemic steroids or chronic immunosuppressant use. 2. Disease-Specific Exclusions: * Cardiac lymphoma involvement. * Need for urgent therapy due to tumor-related complications (e.g., bowel obstruction). 3. Medical Conditions: * Active autoimmune disease requiring immunosuppressants. * Primary immunodeficiency. * Cardiac conditions, including NYHA Class III/IV heart disease, arrhythmia, recent MI (≤ 6 months), stroke (≤ 6 months), or significant VTE (≤ 6 months). * Neurologic conditions, including prior optic neuritis, CNS inflammatory diseases, or seizure disorders. * History of malignancy, unless resected/treated with curative intent or in remission for ≥ 3 years. * Uncontrolled systemic infections or active CNS lymphoma. 4. Pregnancy \& Breastfeeding: Females who are pregnant or nursing. 5. Other Considerations: * Investigator-determined safety concerns. * Potential noncompliance with study procedures.
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:Incidence of adverse events · Assess the safety of administering BAFFR-CAR T cells in participants with relapsed or refractory (r/r) B-cell Non-Hodgkin's Lymphoma (B-NHL) and it's subtypes. Toxicity will be graded per Common Terminology Criteria for Adverse Events version 5.0, Cytokine Release Syndrome (CRS) and neurotoxicity which use the American Society for Transplantation and Cellular Therapy Consensus Criteria (ASTCT) and Graft versus Host Disease (GVHD) criteria. Toxicities will be followed from the start of lymphodepletion until the end of the study. · Up to 1 year post treatment;Maximum Tolerated Dose (MTD) · Determine the maximum tolerated dose (MTD)/recommended Phase 2 dose (RP2D) of BAFFR-CAR T cells. The highest dose with ≤ 1/6 participants with DLT will be considered the MTD. · The DLT evaluation period is defined as 28 days following BAFFR CAR-T infusion.
次要终点:Disease Response;Minimal Residual Disease (MRD);B Cell Quantification;Progression-free survival (PFS);Overall Survival (OS)
向复发/难治性B细胞非霍奇金淋巴瘤患者输注BAFFR-CAR-T 细胞。
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这是一项I期研究,评估靶向B细胞活化因子受体(BAFFR)的CAR-T 细胞治疗复发/难治性B细胞非霍奇金淋巴瘤(B-NHL)的安全性。
A Phase 1 Study Evaluating BAFFR-targeting CAR T Cells for Patients with Relapsed or Refractory B-cell Non-Hodgkin's Lymphoma (B-NHL)
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