TCR-JANUS 衔接蛋白实现双特异性靶向以克服 TCR-T 细胞治疗中的肿瘤异质性
TCR-JANUS engager proteins enable bispecific targeting to overcome tumor heterogeneity in TCR-T cell therapy.
基于 T 细胞受体(TCR)的免疫疗法受限于肿瘤抗原异质性,后者常导致复发。
英文原题:E7 TCR-T Cell Immunotherapy for Human Papillomavirus (HPV) Associated Cancers
这是一项 II 期注册临床试验,评估 T 细胞治疗宫颈癌、恶性肿瘤的安全性、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:美国 · 贝塞斯达、新不伦瑞克(共 3 个中心)。登记号:NCT05686226。
不限性别 · ≥ 18 Years
纳入标准:受试者须满足以下全部条件方可参加研究。 1. 经组织学或细胞学确诊为转移性或难治性/复发性HPV-16阳性癌症。 2. 经临床实验室改进修正案(CLIA)认证实验室检测,肿瘤和/或血液样本证实HPV16基因型。 3. 经CLIA认证实验室检测确认HLA-A*02:01等位基因。可根据低分辨率分型(即HLA-A*02)入组,但须在白细胞单采前确认HLA-A*02:01等位基因类型。 4. 按RECIST 1.1版标准存在可测量疾病。 5. 年龄≥18岁。 6. 筛查时ECOG体能状态0或1。 7. 既往接受过一线标准治疗,或拒绝标准治疗。 8. 须提供并正式拒绝一线和二线治疗的标准方案(见附录VII)。 9. 脑转移灶≤3个且已接受手术或立体定向放射外科治疗者可入组。接受立体定向放射外科治疗的病灶须在方案治疗前临床稳定1个月。患者须已从手术中完全恢复。 10. 55岁以下女性以及过去12个月内有过月经的所有女性,妊娠试验须为阴性。已接受双侧卵巢切除术或子宫切除术者无需进行妊娠试验。 11. 有生育能力的男女患者须同意在研究入组前至治疗后4个月采取适当避孕措施(如宫内节育器、激素或屏障避孕法、禁欲、输卵管结扎或输精管结扎)。若女性在研究期间怀孕或怀疑怀孕,须立即告知治疗医生。 12. HIV抗体、乙肝表面抗原(HBsAg)及丙肝抗体血清学阴性。若丙肝抗体阳性,须通过RT-PCR检测HCV RNA,结果须阴性。 13. 器官及骨髓功能符合以下标准:白细胞>3,000/μL;ANC>1,500/μL;血小板>100,000/μL;血红蛋白>9.0 g/dL;总胆红素在机构正常范围内,Gilbert综合征患者须<3.0 mg/dL;AST/SGOT和ALT/SGPT<2.5倍ULN;机构正常值以上肌酐者按慢性肾病流行病学协作组(CKD-EPI)公式计算的肌酐清除率>50 mL/min/1.73 m²;INR或aPTT≤1.5倍ULN,但正在接受抗凝治疗者除外。接受抗凝治疗者PT或aPTT须处于治疗范围内,且无严重出血史。 14. 患者接受E7 TCR细胞时,距任何既往全身治疗须超过4周。既往治疗相关不良事件须按CTCAE 5.0版恢复至≤1级,或按方案要求已证明临床稳定。 15. 能够理解并愿意签署书面知情同意书。 16. 同意参加Rutgers方案192103(Pro2021002307,基因治疗长期随访)及Rutgers方案192002(Pro2021000281)或NIH方案16C0061(Rutgers 192202,生物样本采集研究)。 注:入组前3周内可进行小型手术,前提是所有毒性均已恢复至≤1级。 排除标准:符合以下任一条件者排除。 1. 治疗时存在未控制的并发疾病,如活动性感染、有症状的充血性心力衰竭、不稳定型心绞痛、心律失常,或会妨碍遵守研究要求的精神疾病/社会状况。 2. 对与本研究药物化学或生物组成相似的化合物有严重过敏反应史。 3. 有冠状动脉血运重建史或缺血症状,但心脏负荷试验正常者除外。 4. 检测证实LVEF≤45%。以下参与者须接受心脏评估:具有临床意义的房性和/或室性心律失常,包括但不限于房颤、室速、二度或三度房室传导阻滞;或年龄≥50岁。 5. 基线筛查时室内空气下脉搏血氧≤92%者不得入组;若缺氧的根本原因改善,可重新评估。 6. 临床或研究基因组分析检出HLA-A*02:01有害突变或等位基因缺失。 7. 若母亲接受E7 TCR-T细胞治疗,治疗后哺乳婴儿存在未知但潜在的不良事件风险,因此应停止哺乳。研究中使用的其他药物也可能存在此类风险。 8. 存在全身免疫缺陷者,包括HIV等获得性免疫缺陷或重症联合免疫缺陷病等原发性免疫缺陷。方案研究的试验治疗依赖完整的免疫系统,免疫功能下降者可能对治疗反应较差。 9. 正在使用免疫抑制药物(包括皮质类固醇)者,符合第6.1节“禁用药物”条件者除外。 10. 患有克罗恩病、溃疡性结肠炎、类风湿关节炎、自身免疫性肝炎、自身免疫性胰腺炎或系统性红斑狼疮等可能造成严重后果的自身免疫性疾病。甲状腺功能减退、白癜风及其他轻微自身免疫性疾病患者可入组。 11. 既往或同时存在的恶性肿瘤,若其自然病程或治疗预计不会干扰研究方案安全性或疗效评估,可参加本试验。例如原位癌、仅需局部切除的皮肤癌、低级别非肌层浸润性膀胱癌、低级别前列腺癌。未满足上述条件的既往或同时恶性肿瘤患者排除。 12. 入组前30天内接种过活疫苗。 13. 主要研究者判定参加研究不符合受试者最佳利益,可能危及受试者安全或临床试验数据完整性。 14. 当前正在接受其他研究性药物治疗。
Inclusion Criteria: Subjects must meet all the following criteria to participate in this study.
1. Histologically or cytologically confirmed metastatic or refractory/recurrent HPV-16+ cancer.
2. Tumor and/or blood with HPV16 genotype as determined by testing performed in a Clinical Laboratory Improvement Amendments (CLIA) certified laboratory.
3. HLA-A\*02:01 allele as determined by testing performed in a CLIA certified laboratory. Participants may be enrolled based on low resolution typing (i.e., HLA-A\*02) but the HLA-A\*02:01 allele type must be confirmed prior to apheresis.
4. Measurable disease as assessed by RECIST Criteria Version 1.1.
5. Age ≥ 18 years.
6. Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1 at screening.
7. Must have received prior first line standard therapy or have declined standard therapy.
8. Standard treatment options for first and second-line therapy must be presented and formally declined (Appendix VII).
9. Patients with three or fewer brain metastases that have been treated with surgery or stereotactic radiosurgery are eligible. Lesions that have been treated with stereotactic radiosurgery must be clinically stable for one month before protocol treatment. Patients must be fully recovered from surgery.
10. Negative pregnancy test for women under 55 and all women who have had a menstrual period in the last 12 months. A pregnancy test is not required for women who have had a bilateral oophorectomy or hysterectomy.
11. Men and women of child-bearing potential must agree to use adequate contraception (i.e., intrauterine device, hormonal barrier method of birth control, abstinence, tubal ligation, or vasectomy) prior to study entry and for four months after treatment. Should a woman become pregnant or suspect she is pregnant while she is participating in this study, she should inform her treating physician immediately.
12. Seronegative for HIV antibody, hepatitis B antigen (HBsAg), and hepatitis C antibody. If a hepatitis C antibody test is positive, then testing for antigen by RT-PCR for hepatitis C (HCV) RNA must be negative.
13. Participants must have organ and marrow function as defined below:
1. Leukocytes \> 3,000/mcL
2. Absolute neutrophil count \> 1,500/mcL
3. Platelets \> 100,000/mcL
4. Hemoglobin \> 9.0 g/dL
5. Total bilirubin within normal institutional limits except in participants with Gilbert's Syndrome who must have a total bilirubin \< 3.0 mg/dL.
6. Serum aspartate transferase (AST) (SGOT)/alanine transaminase (ALT) (SGPT) \< 2.5 x upper limit of normal (ULN)
7. Calculated creatinine clearance (CrCl) \>50 mL/min/1.73 m2 for participants with creatinine levels above institutional normal (by the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation).
8. International normalized ratio (INR) or activated partial thromboplastin time (aPTT) ≤1.5 X ULN unless the subject is receiving anticoagulant therapy. Subjects on anticoagulant therapy must have a PT or aPTT within therapeutic range and no history of severe hemorrhage.
14. More than four weeks must have elapsed since any prior systemic therapy at the time the patient receives the E7 TCR cells. Adverse events from prior therapy must have resolved to ≤ grade 1 according to CTCAE Version 5.0 or have demonstrated clinical stability for the protocol.
15. Participants must be able to understand and be willing to sign the written informed consent document.
16. Participants must agree to participate in Rutgers protocol 192103 (Pro2021002307) for gene therapy long term follow up and in Rutgers protocol 192002 (Pro2021000281) or NIH protocol 16C0061 (Rutgers 192202) for biospecimen collection study.
Note: Participants may have undergone minor surgical procedures with the past three weeks, as long as all toxicities have recovered to Grade 1 or less.
Exclusion Criteria: Subjects who meet any of the following criteria will be excluded from participation in this study:
1. Uncontrolled intercurrent illness such as active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations at the time of treatment that would limit compliance with study requirements.
2. History of severe allergic reactions to compounds of similar chemical or biological composition to agents used in this study.
3. History of coronary revascularization or ischemic symptoms unless patient has a normal cardiac stress test.
4. Documented LVEF of less than or equal to 45% tested. The following participants will undergo cardiac evaluations:
1. Clinically significant atrial and/or ventricular arrhythmias including but not limited to: atrial fibrillation, ventricular tachycardia, second or third degree heart block or
2. Age ≥ 50 years old
5. Participants with baseline screening pulse oxygen level of ≤ 92% on room air will not be eligible. If the underlying cause of hypoxia improves, then they may be reevaluated.
6. Subjects with HLA-A\*02:01 damaging mutation or allele loss detected by clinical or research genomic profiling will not be eligible.
7. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with E7 TCR T cells, breastfeeding should be discontinued if the mother is treated with E7 TCR T cells. These potential risks may also apply to other agents used in this study.
8. Participants with a systemic immunodeficiency including acquired deficiency such as HIV or primary immunodeficiency such as Severe Combined Immunodeficiency Disease are ineligible. The experimental treatment being evaluated in this protocol depends on an intact immune system. Participants who have decreased immune competence may be less responsive to the treatment.
9. Participants on immunosuppressive drugs including corticosteroids unless meeting criteria outlined in Section 6.1 (Prohibited Medications).
10. Participants with potentially severe autoimmune diseases such as Crohn's disease, ulcerative colitis, rheumatoid arthritis, autoimmune hepatitis, autoimmune pancreatitis, or systemic lupus erythematosus are not eligible. Patients with less severe autoimmune diseases such as hypothyroidism, vitiligo, and other minor autoimmune disorders are eligible.
11. Participants with prior or concurrent malignancy whose natural history or treatment is unlikely to interfere with the safety or efficacy assessments of the investigational regimen are eligible for this trial. Examples include, but are not limited to:
1. Carcinoma in situ
2. Cutaneous skin cancers requiring only local excision
3. Low grade non-muscle invasive bladder cancer
4. Low grade prostate cancer
Participants with prior or concurrent malignancy that do not meet the above criteria are excluded.
12. Subjects who received a live vaccine within 30 days prior to enrollment are not eligible.
13. Determination by the Principal Investigator that participation is not in the best interest of the research subject or may jeopardize the safety of the subject or integrity of the clinical trial data.
14. Current treatment with another investigational agent.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:Tumor response · Objective tumor response as measured by RECIST · 5 years
次要终点:Adverse Events
受试者将接受预处理方案、E7 TCR-T细胞和阿地白介素。
这是一项II期临床试验,旨在评估使用E7 TCR-T细胞免疫治疗转移性HPV相关癌症的临床活性。HPV相关癌症包括宫颈癌、咽喉癌、阴茎癌、外阴癌、阴道癌、肛门癌及其他癌症。参与者将接受预处理方案、E7 TCR-T细胞和阿地白介素治疗,并评估临床应答。
This is a phase II clinical trial to assess the clinical activity of immunotherapy with E7 TCR-T cells for metastatic HPV-associated cancers. HPV-associated cancers in include cervical, throat, penile, vulvar, vaginal, anal, and other cancers. Participants will receive a conditioning regimen, E7 TCR-T cells, and aldesleukin. Clinical response to treatment will be determined.
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