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:A Study to Evaluate Safety and Efficacy of Armored CAR-T Cell Injection C-CAR031 in Advanced Hepatocellular Carcinoma
这是一项 I 期注册临床试验,评估细胞治疗用于肝细胞癌的安全性、可行性及初步疗效。当前状态:招募中。计划入组 72 例。试验地点:中国 · 杭州、郑州(共 2 个中心,其中中国 2 个)。登记号:NCT05155189。
不限性别 · ≥ 18 Years 且 ≤ 75 Years
纳入标准: * 1.自愿参加并能签署知情同意书 * 2.筛选时年龄18至75岁 * 3.经组织学确诊的肝细胞癌(HCC)患者,且满足以下要求:a. 巴塞罗那临床肝癌分期B期或C期(BCLC B/C)b. Child-Pugh评分 ≤ 6 c. 肿瘤组织中可能表达GPC3 * 4.既往至少接受过一种针对HCC的标准系统性治疗后复发/进展的患者,或不适合接受/无法耐受系统性治疗的患者。标准系统性治疗可包括靶向药物(如索拉非尼、仑伐替尼、多纳非尼、阿帕替尼)、免疫检查点抑制剂(如阿替利珠单抗、帕博利珠单抗、卡瑞利珠单抗、信迪利单抗、纳武利尤单抗、特瑞普利单抗、替雷利珠单抗)或化疗药物(如奥沙利铂和5-Fu)。C-CAR031联合仑伐替尼组的受试者必须满足以下标准:(1)既往未接受过仑伐替尼治疗;(2)对既往一线含免疫检查点抑制剂和VEGF/VEGFR靶向药物的系统性治疗进展或不耐受。C-CAR031联合瑞戈非尼组的受试者必须满足以下标准:(1)既往未接受过瑞戈非尼治疗;(2)对既往一线含免疫检查点抑制剂和VEGF/VEGFR靶向药物的系统性治疗进展或不耐受。C-CAR031联合度伐利尤单抗组的受试者必须满足以下标准:(1)对既往一线含免疫检查点抑制剂和VEGF/VEGFR靶向药物的系统性治疗进展或不耐受;(2)无既往导致永久停用免疫治疗的免疫相关毒性;(3)无≥3级免疫相关不良事件(irAEs)病史,或任何级别的免疫相关神经/眼部AE。(注:≤2级内分泌AE的受试者,如无症状且接受稳定替代治疗,可入组,但以下情况除外:a. 需要使用非糖皮质激素类免疫抑制剂,b. 免疫治疗再挑战时AE复发,c. 或使用泼尼松>10 mg/天或等效剂量的糖皮质激素。)(4)与既往免疫治疗相关的所有AE必须在筛选前已缓解或恢复至治疗前水平;(5)体重超过30 kg。 * 5.至少一个可测量靶病灶(根据RECIST v1.1) * 6.WHO/ECOG体能状态(PS)评分为0或1分 * 7.预期生存期 ≥ 12周 * 8.超声心动图左心室射血分数(LVEF)≥ 45% * 9.无活动性肺部感染;无已知需要类固醇治疗的肺炎病史;基线时无急性发作或进展性肺炎。 * 10. 实验室检查:a. 中性粒细胞绝对计数(ANC)≥ 1.0 × 109/L b. 淋巴细胞计数 ≥ 0.4 × 109/L c. 血小板计数 ≥ 60 × 109/L d. 血红蛋白 ≥ 80 g/L e. 总胆红素(TBIL)≤ 2 × 正常值上限(ULN) f. AST 和 ALT ≤ 5 × ULN g. 血清肌酐 ≤ 1.5 × ULN h. 凝血酶原时间(PT):延长的 PT ≤ 4 s * 11. 无 HBV 感染史,或筛选时 HBV DNA < 2000 IU/mL(或 10000 copies/mL)且同意在整个研究期间根据指南接受抗病毒治疗的患者 * 12. 育龄期女性筛选时血清或尿液妊娠试验结果为阴性;此外,她们应同意在整个研究期间采取有效的避孕措施 * 13. 同意在整个研究期间戒酒的患者 排除标准: * 1. 对 DMSO 有严重过敏或超敏反应史。对 Lenvatinib、Regorafenib 或 Durvalumab 活性成分已知过敏的受试者将从各自的联合治疗组中排除。 * 2. 肝移植史 * 3. 既往细胞治疗史 * 4. 肿瘤体积 > 肝脏的 50%。 * 5. 门静脉主干癌栓 * 6. 中至重度腹水。 * 7. 骨或中枢神经系统(CNS)转移,或累及 CNS 的疾病,包括肝性脑病、癫痫、脑血管意外等。 * 8. 在单采前 6 周内接受过放疗 * 9. 在单采前 4 周内接受过局部治疗(如手术、消融和介入),或单采前存在未愈合的伤口 * 10. 接受过全身治疗且未达到单采前洗脱期的最低要求:a. 免疫检查点抑制剂:2 周;b. 小分子靶向治疗:< 7 天;c. 使用试验性抗癌药物或其他机制不明确的中草药和中成药的全身抗肿瘤治疗:2 周;d. 全身治疗剂量的类固醇(吸入性类固醇除外)或其他免疫调节剂(包括白细胞介素、干扰素和胸腺素):2 周;e. 既往抗癌治疗导致的任何未缓解的 ≥ NCI CTCAE 2 级毒性,但脱发、白癜风和纳入标准明确允许的实验室异常除外。 * 11. 其他原发性癌症史,除外:a. 经切除治愈的非黑色素瘤皮肤癌(如基底细胞癌) b. 治愈的原位癌(如宫颈癌、膀胱癌和乳腺癌) * 12. 活动性丙型肝炎病毒感染(HCV RNA 阳性) * 13. 梅毒感染 * 14. 有活动性/免疫缺陷疾病史(包括但不限于HIV、系统性红斑狼疮、炎症性肠病、类风湿关节炎、重症肌无力、Graves病和垂体炎;不包括:白癜风或脱发、激素替代治疗后病情稳定的甲状腺功能减退症、无需全身治疗的任何慢性皮肤病症,以及研究者判断无临床意义的其他疾病) * 15. 持续性和活动性感染(不包括预防性抗感染治疗) * 16. 未控制的高血压、糖尿病、心律失常和有症状的充血性心力衰竭 * 17. 有明显临床证据支持的痴呆或精神状态改变 * 18. 心功能不全:根据纽约心脏协会(NYHA)功能分级,为III级或IV级 * 19. 不稳定的心脏或肺部疾病 * 20. 明显的出血风险或出血倾向 * 21. 妊娠期或哺乳期女性,或预期在研究期间妊娠或哺乳的女性 * 22. 研究者判断可能给受试者增加进一步风险或干扰研究结果的其他疾病 * 23. 对于与Lenvatinib、Regorafenib或Durvalumab联合用药,以下情况将排除:a. 有肾脏疾病或肾病综合征病史;b. 难治性恶心和呕吐、慢性胃肠道疾病、无法吞咽制剂,或既往肠切除导致Lenvatinib或Regorafenib无法充分吸收、分布、代谢或排泄;c. 筛选前28天内有≥3级出血性疾病、血管炎或重大胃肠道出血事件史;d. 筛选前6个月内有动脉血栓栓塞事件(ATEs)史,包括心肌梗死、脑血管意外或短暂性脑缺血发作;e. 筛选前28天内有严重或未愈合的伤口、活动性胃肠道溃疡或骨折;f. 筛选前10天内以非预防目的使用全剂量抗凝剂或溶栓剂;g. 筛选前3个月内有深静脉血栓、肺栓塞或任何其他有临床意义的血栓栓塞史;h. 存在有症状或未控制的高血压。 * 24. 未控制的、与腹泻相关的间歇性严重慢性胃肠道疾病(从durvalumab治疗组中排除)。
Inclusion Criteria: * 1.Voluntary participation and able to sign the informed consent form * 2\. Aged 18 to 75 years at screening * 3\. Patients with histologically confirmed hepatocellular carcinoma (HCC) who meet the following requirements: a. Barcelona Clinic Liver Cancer Stage B or C (BCLC B/C) b. Child-Pugh score ≤ 6 c. GPC3 is possibly expressed in tumor tissues * 4\. Patients with relapsed / progressive disease after at least one prior standard systemic therapy for HCC, or ineligible to accept/unable to tolerate the systemic therapies. Standard systemic therapies may include targeted drugs (such as Sorafenib, Lenvatinib, Donafenib, Apatinib), immune checkpoint inhibitors (such as Atezolizumab, Pembrolizumab, Camrelizumab, Sintilimab, Nivolumab, Toripalimab, Tislelizumab) or chemotherapeutic drugs (such as Oxaliplatin and 5-Fu). Subjects in theC-CAR031 plus Lenvatinib group must meet the following criteria: (1)have not received prior Lenvatinib therapy; (2) Progression or intolerance to one prior line of systemic therapy containing both immune checkpoint inhibitors and VEGF/VEGFR- targeted agents. Subjects in the C-CAR031 combination with Regorafenib group must meet the following criteria: (1)have not received prior Regorafenib therapy; (2) Progression or intolerance to one prior line of systemic therapy containing both immune checkpoint inhibitors and VEGF/VEGFR- targeted agents. Subjects in theC-CAR031 plus Durvalumab group must meet the following criteria:(1) Progression or intolerance to one prior line of systemic therapy containing both immune checkpoint inhibitors and VEGF/VEGFR-targeted agents; (2) no prior immune-related toxicity leading to permanent discontinuation of immunotherapy;(3) no history of ≥ Grade 3 immune-related adverse events (irAEs), or any grade immune-related neurological/ocular AEs. (Note: Subjects with ≤ Grade 2 endocrine AEs may enroll if asymptomatic on stable replacement therapy, excluding those: a. requiring non-corticosteroid immunosuppressants, b. experiencing AE recurrence upon immunotherapy rechallenge, c. or using corticosteroids at \>10 mg/day prednisone or equivalent.) (4) All AEs associated with prior immunotherapy must have resolved or returned to pre-treatment levels prior to screening; (5) Body weight more than 30 kg. * 5\. At least one measurable target lesion (as per RECIST v1.1) * 6\. WHO/ECOG performance status (PS) score of 0 or 1 point * 7\. Expected survival ≥ 12 weeks * 8\. Left ventricular ejection fraction (LVEF) by echocardiography ≥ 45% * 9\. No active pulmonary infection; no known history of pneumonitis requiring steroids; absence of acute onset or progressive pneumonitis at baseline. * 10\. Laboratory tests: a. Absolute neutrophil count (ANC) ≥ 1.0 × 109/L b. Lymphocyte count ≥ 0.4 × 109/L c. Platelet count ≥ 60 × 109/L d. Hemoglobin ≥ 80 g/L e. Total bilirubin (TBIL) ≤ 2 × upper limit of normal (ULN) f. AST and ALT ≤ 5 × ULN g. Serum creatinine ≤ 1.5 × ULN h. Prothrombin time (PT): prolonged PT ≤ 4 s * 11\. Patients without history of HBV infection, or with HBV DNA \< 2000 IU/mL (or 10000 copies/mL) at screening who agree to receive anti-virus therapies throughout the study according to the guidelines * 12\. Negative serum or urine pregnancy test results for females of child-bearing age at screening; In addition, they should agree to take effective contraceptive measures throughout the study * 13\. Patients who agree to abstain from drinking throughout the study Exclusion Criteria: * 1\. History of severe allergic or hypersensitivity to DMSO. Subjects with known allergies to the active components of Lenvatinib, Regorafenib, or Durvalumab will be excluded from respective combination treatment groups. * 2\. History of liver transplantation * 3\. History of prior cell therapy * 4\. Tumor volume \> 50% of the liver. * 5\. portal stem vein tumor thrombus * 6\. Moderate to severe ascites. * 7\. Metastases to bones or central nervous system (CNS), or involved CNS diseasesincluding hepatic encephalopathy, epilepsy, cerebrovascular accidents, etc. * 8\. Receipt of radiotherapy within 6 weeks prior to apheresis * 9\. Receipt of Local therapy (such as surgery, ablation, and intervention) within 4 weeks prior to apheresis or presence of unhealed wounds before apheresis * 10\. Receipt of systemic treatment and failure to meet the minimum requirements for wash-out periods before apheresis: a. Immune checkpointinhibitors: 2 weeks; b. Small molecule target therapy: \< 7 days; c. Systemic anti-tumor therapies using experimental anticancer drugs or other Chinese herbal medicines and Chinese patent medicines with unclear mechanisms: 2 weeks; d. Steroids (except inhaled steroids) or other immunomodulators (including interleukins, interferons, and thymosins) of systemic therapeutic dose: 2 weeks; e. Any unresolved toxicity ≥ NCI CTCAE Grade 2 from prior anticancer therapy, except alopecia, vitiligo, and laboratory abnormalities explicitly permitted by the inclusion criteria. * 11\. Other history of primary cancers, excluding:a. Nonmelanoma skin cancer cured by resection (such as basal cell carcinoma) b. Cured carcinoma in situ (such as cervical cancer, bladder cancer, and breast cancer) * 12\. Active hepatitis C virus infection (HCV RNA positive) * 13\. Syphilis infection * 14\. History of active/immunodeficient diseases (including but not limited to HIV, systemic lupus erythematosus, inflammatory bowel disease, rheumatoid arthritis, myasthenia gravis, Graves' disease, and hypophysitis; excluding: vitiligo or alopecia, hypothyroidism in patients with stable medical conditions after hormone replacement therapy, any chronic skin conditions that need no systemic treatment, and other diseases judged by the investigator to be of no clinical significance) * 15\. Persistent and active infections (excluding prophylactic anti-infectives) * 16\. Uncontrolled hypertension, diabetes, arrhythmia, and symptomatic congestive heart failure * 17\. Dementia or mental state changes supported by obvious clinical evidence * 18\. Cardiac insufficiency: class III or IV, according to the New York Heart Association (NYHA) functional classifications * 19\. Unstable heart or lung diseases * 20\. Obvious bleeding risks or tendencies * 21\. Females who are pregnant or breastfeeding or expect to be pregnant or breastfeeding during the study * 22\. Other diseases that may add further risks to the subject or interfere with the study results as judged by the investigators * 23\. For combination with Lenvatinib, Regorafenib or Durvalumab, the following will be excluded: a. History of renal disease or nephrotic syndrome; b. Refractory nausea and vomiting, chronic gastrointestinal disease, inability to swallow formulation, or previous intestinal resection that precludes adequate absorption, distribution, metabolism, or excretion of Lenvatinib or Regorafenib; c. History of ≥ Grade 3 bleeding disorder, vasculitis, or significant gastrointestinal bleeding episodes within 28 days prior to screening; d. History of arterial thromboembolic events (ATEs), including myocardial infarction, cerebrovascular accident, or transient ischemic attack within 6 months prior to screening; e. Serious or non-healing wound, active gastrointestinal ulcer, or bone fracture within 28 days prior to screening; f. Use of full-dose anticoagulants or thrombolytics for non-prophylactic purposes within 10 days prior to screening; g. History of deep vein thrombosis, pulmonary embolism, or any other clinically significant thromboembolism within 3 months prior to screening; h. Presence of symptomatic or uncontrolled hypertension. * 24\. Uncontrolled intermittent severe chronic gastrointestinal disorders associated with diarrhea (excluded from the durvalumab treatment group).
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:TEAEs · treatment emergent adverse events · start pretreatment to 12 months;AESIs · adverse events of special interest · start pretreatment to 12 months
次要终点:objective response rate by RECIST 1.1;disease control rate by RECIST 1.1;duration of response by RECIST 1.1;progression-free survival by RECIST 1.1;objective response rate by mRECIST;disease control rate by RECIST;duration of response by mRECIST;progression-free survival by mRECIST
自体C-CAR031通过静脉(IV)输注给药
自体C-CAR031联合Lenvatinib
自体C-CAR031联合Regorafenib
自体C-CAR031联合Durvalumab
一项旨在评估CCAR031注射液在不可切除HCC患者中的安全性和抗肿瘤活性的研究。
A study that aimed to assess the safety and anti-tumor activity of CCAR031 injection in unresectable HCC patients.
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