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Tumor Neoantigen Vaccine SarVac Combined With Tumor Specific Lymphocyte Reinfusion in the Treatment of Advanced Sarcoma

2026年6月12日 更新者:Xing Zhang、Sun Yat-sen University

A Prospective, Single-center, Double-arm, Phase I Clinical Trial of Tumor Neoantigen Vaccine SarVac Combined With Tumor-specific Lymphocyte Reinfusion in the Treatment of Patients With Advanced or Unresectable Sarcoma-based Solid Tumors Who Failed Standard Treatment.

The primary objective of this trial is to evaluate the safety and tolerability of the tumor neoantigen vaccine (SarcVac) in combination with a PD-1 antibody, with or without tumor-specific lymphocytes, in patients with advanced bone and soft tissue sarcoma who have failed first-line treatment. The secondary objectives are to assess the preliminary efficacy of SarcVac combined with a PD-1 antibody, with or without tumor-specific lymphocytes, in these patients and to evaluate whether the vaccine's efficacy demonstrates dose dependency.

研究概览

详细说明

Soft tissue sarcoma (STS) represents a heterogeneous group of malignant tumors. The prognosis is poor with an overall survival of 12-19 months for patients with metastasis. A critical unmet medical need is to develop novel and effective therapeutic approaches to improve the survival of patients with STS, for whom limited alternative chemotherapeutic or targeting regimens are available.

In recent years, tumor immunotherapy has emerged as a promising alternative to traditional treatments like surgery, chemotherapy, and radiotherapy. This approach includes four primary categories: immune checkpoint blockade, immunomodulators, adoptive cell transfer, and tumor vaccines. Immune checkpoint inhibitors, such as PD-1/PD-L1 and CTLA-4 antibodies, have shown efficacy in treating certain cancers. Tumor vaccines, which utilize tumor antigens to stimulate specific immune responses against cancer cells, offer notable advantages. These vaccines are characterized by low toxicity, high specificity, and the ability to induce immune memory, thereby reducing the risk of recurrence. Tumor-specific lymphocytes further enhance the immune system's capacity to target and kill tumor cells directly.

This study utilizes next-generation sequencing technology and bioinformatics analysis to accurately identify personalized tumor neoantigens. By screening for neoantigens with high MHC affinity and strong immunogenicity, we develop a personalized neoantigen vaccine, SarcVac. Subsequently, these neoantigens are used in vitro to activate and expand the patient's peripheral blood lymphocytes, yielding tumor-specific lymphocytes. This clinical trial will assess the safety and tolerability of the neoantigen vaccine (SarcVac) in combination with a PD-1 antibody, with or without tumor-specific lymphocytes, in patients with advanced solid tumors. Additionally, a preliminary assessment of its efficacy will be conducted.

研究类型

介入性

注册 (估计的)

16

阶段

  • 阶段1

联系人和位置

本节提供了进行研究的人员的详细联系信息,以及有关进行该研究的地点的信息。

学习联系方式

学习地点

    • Guangdong
      • Guangzhou、Guangdong、中国、510000
        • 招聘中
        • Sun Yat-sen University Cancer Center
        • 接触:

参与标准

研究人员寻找符合特定描述的人,称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。

资格标准

适合学习的年龄

  • 成人
  • 年长者

接受健康志愿者

不

描述

Inclusion Criteria:

  1. Before any procedures related to the research program, including screening and evaluation stage, signed informed consent.
  2. Age≥18 years old, and≤70 years old ;
  3. Pathologically diagnosed as solid tumors, including bone or soft tissue sarcoma, and staging for advanced or unresectable patients ;
  4. Patients with first-line treatment failure ;
  5. No previous tumor vaccine treatment ; no previous treatment with PD-1 antibody ;
  6. According to the RECIST1.1 standard, there are measurable lesions and superficial lesions ;
  7. The following three screening indicators should be met in the test screening period:

(1)The available tumor tissue samples ( paraffin sections and fresh surgical specimens ) were used for subsequent whole exome and transcriptome sequencing analysis and primary cell culture to obtain tumor neoantigen-related mutation sequence information and gene expression.

( 2 ) Available peripheral blood samples; ( 3 ) Tumor new antigen prediction analysis and in vitro laboratory testing; 8. ECOG score 0-1 ( see Appendix ) and expected survival time greater than 6 months ; 9. Patients were not allowed to use anti-tumor drugs and radiotherapy within 4 weeks before vaccination; 10. Patients with brain metastasis who were stable for at least one month after treatment can be included; 11. echocardiography showed left ventricular ejection fraction ≥ 50 %; 12. The results of laboratory tests should meet at least the following indicators :

  1. White blood cell count ≥ 3.0 × 109 / L;
  2. absolute neutrophil count ( ANC ) ≥ 1.5 × 109 / L ( without GCSF support ) ;
  3. absolute lymphocyte count ( ALC ) ≥ 1.0 × 109 / L;
  4. platelet ( PLT ) ≥ 75 × 109 / L;
  5. hemoglobin ≥ 90g / dL ( no blood transfusion in the past 7 days ) ;
  6. Prothrombin time or INR ≤ 1.5x normal upper limit time, unless receiving anticoagulant therapy;
  7. partial thromboplastin time ( APTT ) ≤ 1.5x normal upper limit time, unless receiving anticoagulant therapy;
  8. serum creatinine ≤ 1.5 × ULN ( upper limit of normal ) ; 24-hour creatinine clearance rate ≥ 60 mL / min;
  9. Aspartate Aminotransferase (AST/SGOT) ≤ 2 × ULN;
  10. Alanine Aminotransferase (ALT/SGPT) ≤ 2 × ULN;
  11. total bilirubin ( TBIL ) ≤ 1 × ULN 13. Females with fertility were negative in pregnancy test before treatment ; consent must be given to the use of contraception or the prohibition of same-sex or opposite-sex sexual activity during treatment; 14. During the whole experiment, we can regularly go to the research institutions to carry out relevant testing, evaluation and management.

Exclusion Criteria:

  • 1. Before any procedures related to the research program, including screening and evaluation stage, signed informed consent.

    2. Age≥18 years old, and≤70 years old ; 3. Pathologically diagnosed as solid tumors, including bone or soft tissue sarcoma, and staging for advanced or unresectable patients ; 4. Patients with first-line treatment failure ; 5. No previous tumor vaccine treatment ; no previous treatment with PD-1 antibody ; 6. According to the RECIST1.1 standard, there are measurable lesions and superficial lesions ; 7. The following three screening indicators should be met in the test screening period:

    (1)The available tumor tissue samples ( paraffin sections and fresh surgical specimens ) were used for subsequent whole exome and transcriptome sequencing analysis and primary cell culture to obtain tumor neoantigen-related mutation sequence information and gene expression.

( 2 ) Available peripheral blood samples; ( 3 ) Tumor new antigen prediction analysis and in vitro laboratory testing; 8. ECOG score 0-1 ( see Appendix ) and expected survival time greater than 6 months ; 9. Patients were not allowed to use anti-tumor drugs and radiotherapy within 4 weeks before vaccination; 10. Patients with brain metastasis who were stable for at least one month after treatment can be included; 11. echocardiography showed left ventricular ejection fraction ≥ 50 %; 12. The results of laboratory tests should meet at least the following indicators :

  1. White blood cell count ≥ 3.0 × 109 / L;
  2. absolute neutrophil count ( ANC ) ≥ 1.5 × 109 / L ( without GCSF support ) ;
  3. absolute lymphocyte count ( ALC ) ≥ 1.0 × 109 / L;
  4. platelet ( PLT ) ≥ 75 × 109 / L;
  5. hemoglobin ≥ 90g / dL ( no blood transfusion in the past 7 days ) ;
  6. Prothrombin time or INR ≤ 1.5x normal upper limit time, unless receiving anticoagulant therapy;
  7. partial thromboplastin time ( APTT ) ≤ 1.5x normal upper limit time, unless receiving anticoagulant therapy;
  8. serum creatinine ≤ 1.5 × ULN ( upper limit of normal ) ; 24-hour creatinine clearance rate ≥ 60 mL / min;
  9. Aspartate Aminotransferase (AST/SGOT) ≤ 2 × ULN;
  10. Alanine Aminotransferase (ALT/SGPT) ≤ 2 × ULN;
  11. total bilirubin ( TBIL ) ≤ 1 × ULN 13. Females with fertility were negative in pregnancy test before treatment ; consent must be given to the use of contraception or the prohibition of same-sex or opposite-sex sexual activity during treatment; 14. During the whole experiment, we can regularly go to the research institutions to carry out relevant testing, evaluation and management.

学习计划

本节提供研究计划的详细信息,包括研究的设计方式和研究的衡量标准。

研究是如何设计的?

设计细节

  • 主要用途:治疗
  • 分配:随机化
  • 介入模型:并行分配
  • 屏蔽:无(打开标签)

武器和干预

参与者组/臂
干预/治疗
实验性的:Drug delivery mode 1
  1. Neoantigen Vaccine Injection: Each subject receives injections of vaccine components determined from prior in vitro experiments throughout the treatment course. The SarcVac peptide vaccine, mixed with an adjuvant (PolyI:C) in 0.5 ml of saline, is administered subcutaneously in the inguinal region on days 1, 3, 7, 15, 30, 65, and 86 from treatment initiation.
  2. Tumor-Specific Lymphocyte Infusion: Throughout the treatment course, each subject receives tumor-specific lymphocyte infusions.
  3. Antibody Therapy: Subjects receive anti-PD-1 antibody (Sintilimab) via intravenous infusion throughout the treatment period.
Neoantigen vaccine+ specific lymphocytes + anti-PD1 antibody
实验性的:Drug delivery mode 2
  1. Neoantigen Vaccine Injection: Each subject receives injections of vaccine components determined from prior in vitro experiments throughout the treatment course. The SarcVac peptide vaccine, mixed with an adjuvant (PolyI:C) in 0.5 ml of saline, is administered subcutaneously in the inguinal region on days 1, 3, 7, 15, 30, 65, and 86 from treatment initiation.
  2. Antibody Therapy: Subjects receive anti-PD-1 antibody (Sintilimab) via intravenous infusion throughout the treatment period.
Neoantigen vaccine + anti-PD1 antibody

研究衡量的是什么?

主要结果指标

结果测量
措施说明
大体时间
Incidence and severity of adverse events
大体时间:120 days
The primary objective of this trial is to evaluate the safety and tolerability of the tumor neoantigen vaccine (SarcVac) in combination with a PD-1 antibody, with or without tumor-specific lymphocytes.
120 days

次要结果测量

结果测量
措施说明
大体时间
ORR
大体时间:270 days
The secondary objectives are to assess the preliminary efficacy of SarcVac combined with a PD-1 antibody, with or without tumor-specific lymphocytes, and to evaluate whether the vaccine's efficacy demonstrates dose dependency.
270 days
DCR
大体时间:270 days
The secondary objectives are to assess the preliminary efficacy of SarcVac combined with a PD-1 antibody, with or without tumor-specific lymphocytes, and to evaluate whether the vaccine's efficacy demonstrates dose dependency.
270 days

合作者和调查者

在这里您可以找到参与这项研究的人员和组织。

研究记录日期

这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查,以确保它们在发布到公共网站之前符合特定的质量控制标准。

研究主要日期

学习开始 (实际的)

2024年9月3日

初级完成 (估计的)

2026年12月31日

研究完成 (估计的)

2027年6月30日

研究注册日期

首次提交

2026年6月10日

首先提交符合 QC 标准的

2026年6月12日

首次发布 (实际的)

2026年6月15日

研究记录更新

最后更新发布 (实际的)

2026年6月15日

上次提交的符合 QC 标准的更新

2026年6月12日

最后验证

2026年4月1日

更多信息

与本研究相关的术语

药物和器械信息、研究文件

研究美国 FDA 监管的药品

不

研究美国 FDA 监管的设备产品

不

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